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  • OS Download Products' Documentation
  • Addressing and Location
    • Addressing and Location Portfolio Information
    • AddressBase Fundamentals
      • Release Notes
        • AddressBase Products May 2025 – Epoch 118
        • AddressBase Islands May 2025 – Epoch 118
        • AddressBase Products March 2025 – Epoch 117
        • AddressBase Islands March 2025 – Epoch 117
        • AddressBase Products February 2025 – Epoch 116
        • AddressBase Islands February 2025 – Epoch 116
        • AddressBase Products December 2024 – Epoch 115
        • AddressBase Islands December 2024 – Epoch 115
        • AddressBase Products November 2024 – Epoch 114
        • AddressBase Islands November 2024 – Epoch 114
        • AddressBase Products September 2024 – Epoch 113
        • AddressBase Islands September 2024 – Epoch 113
        • AddressBase Products August 2024 – Epoch 112
        • AddressBase Islands August 2024 – Epoch 112
        • AddressBase Products June 2024 – Epoch 111
        • AddressBase Islands June 2024 – Epoch 111
        • AddressBase Products May 2024 – Epoch 110
        • AddressBase Islands May 2024 – Epoch 110
        • AddressBase Products April 2024 – Epoch 109
        • AddressBase Islands April 2024 – Epoch 109
      • AddressBase product family
      • Future and past publication dates
      • Unique Property Reference Number (UPRN)
      • Coordinate reference systems
      • Classification scheme
      • Data sources
      • Street names and numbering
      • Currency, completeness and precision
      • Product supply
      • Code lists and enumerations
        • AddressbasePostalCode
        • BLPUStateCode
        • ChangeTypeCode
        • CountryCode
        • Date
        • FileTypeCode
        • LanguageCode
        • LogicalStatusCode
        • OfficialFlagCode
        • PostcodeTypeCode
        • RPCCode
        • StateCode
        • StreetClassificationCode
        • StreetRecordTypeCode
        • StreetStateCode
        • StreetSurfaceCode
        • Time
        • USRNMatchIndicatorCode
      • AddressBase local custodian codes
      • AddressBase Islands local custodian codes
    • AddressBase
      • Release Notes
      • AddressBase Getting Started Guide
        • Prerequisites
        • Data supply
        • Working with CSV data
        • Working with GML data
        • Working with COU data
        • Creating a single-line or multi-line address
        • Searching for addresses
      • AddressBase Technical Specification
        • Data formats
        • Supply and update
        • AddressBase structure
        • Feature types
          • Address
          • AddressBase Supply Set
        • Code list and enumerations
        • CSV to GML mapping
        • Example records
          • CSV
          • GML
      • AddressBase Downloads
      • AddressBase Known Data Issues
    • AddressBase Core
      • Release Notes
        • 07 May 2025
        • 29 April 2025
        • 23 April 2025
        • 15 April 2025
        • 08 April 2025
        • 01 April 2025
        • 25 March 2025
        • 18 March 2025
        • 11 March 2025
        • 04 March 2025
      • AddressBase Core Overview
        • Data capture and sources
        • GeoPlace
        • Unique Property Reference Number (UPRN)
        • Coordinate reference systems
        • Classification
        • Currency, completeness and precision
        • Product supply
      • AddressBase Core Getting Started Guide
        • Downloading a dataset
        • Working with CSV data
        • Working with GPKG data
        • Working with COU data
        • Working with tiled data
      • AddressBase Core Technical Specification
        • Data formats
        • Supply and update
        • Attributes
        • Enumerations
        • Example records
      • AddressBase Core Downloads
      • AddressBase Core Known Data Issues
    • AddressBase Plus
      • Release Notes
      • AddressBase Plus Getting Started Guide
      • AddressBase Plus Technical Specification
        • Data formats
        • Supply and update
        • AddressBase Plus structure
        • Feature types
          • Address
          • AddressBase Supply Set
        • Code lists and enumerations
        • CSV to GML mapping
        • Example records
          • CSV
          • GML
      • AddressBase Plus Downloads
      • AddressBase Plus Known Data Issues
    • AddressBase Plus Islands
      • Release Notes
      • AddressBase Plus Islands Getting Started Guide
      • AddressBase Plus Islands Technical Specification
        • Data formats
        • Supply and update
        • AddressBase Plus Islands structure
        • Feature types
          • Address
          • AddressBase Supply Set
        • Code lists and enumerations
        • CSV to GML mapping
        • Example records
          • CSV
          • GML
      • AddressBase Plus Islands Downloads
      • AddressBase Plus Islands Known Data Issues
    • AddressBase Premium
      • Release Notes
      • AddressBase Premium Getting Started Guide
        • Prerequisites
        • Data supply
        • Working with CSV data
        • Working with GPKG data
        • Working with GML data
        • Working with COU data
        • Creating a single-line or multi-line address
        • Searching for addresses
      • AddressBase Premium Technical Specification
        • Data formats
        • Supply and update
        • AddressBase Premium structure
        • Feature types
          • Street – (Type 11 Record)
          • BLPU – (Type 21 Record)
          • AddressBase supply set
          • Feature with lifecycle
        • Structured data types
          • Street Descriptor – (Type 15 Record)
          • Application Cross Reference – (Type 23 Record)
          • LPI – (Type 24 Record)
          • Delivery Point Address – (Type 28 Record)
          • Successor Cross Reference – (Type 30 Record)
          • Organisation – (Type 31 Record)
          • Classification – (Type 32 Record)
          • Entity with lifecycle
        • Dataset metadata
          • Metadata – (Type 29 Record)
          • Header – (Type 10 Record)
          • Trailer – (Type 99 record)
        • Code lists and enumerations
        • Attribute format comparison
        • Example records
          • CSV
          • GML
      • AddressBase Premium Downloads
      • AddressBase Premium Known Data Issues
    • AddressBase Premium Islands
      • Release Notes
      • AddressBase Premium Islands Getting Started Guide
      • AddressBase Premium Islands Technical Specification
        • Release Notes
          • June 2024
        • Data formats
        • Supply and update
        • AddressBase Premium Islands structure
        • Feature types
          • Street – (Type 11 Record)
          • BLPU – (Type 21 Record)
          • AddressBase supply set
          • Feature with lifecycle
        • Structured data types
          • Street Descriptor – (Type 15 Record)
          • Application Cross Reference – (Type 23 Record)
          • LPI – (Type 24 Record)
          • Delivery Point Address – (Type 28 Record)
          • Successor Cross Reference – (Type 30 Record)
          • Organisation – (Type 31 Record)
          • Classification – (Type 32 Record)
          • Entity with lifecycle
        • Dataset metadata
          • Header – (Type 10 Record)
          • Metadata – (Type 29 Record)
          • Trailer – (Type 99 record)
        • Code lists and enumerations
        • Attribute format comparison
        • Example records
          • CSV
          • GML
      • AddressBase Premium Islands Downloads
      • AddressBase Premium Islands Known Data Issues
    • Boundary-Line
      • Release Notes
        • May 2025
        • October 2024
        • June 2024
      • Boundary-Line Overview
        • Data overview
        • Product supply
      • Boundary-Line Product Information
        • Relationships of administrative areas
        • Structure of Boundary-Line
        • Boundary-Line principles and features
        • Case studies
        • Metadata
        • Glossary
        • Exception areas
        • The coastline and associated items
      • Boundary-Line Technical Specification
        • Shapefile, TAB and GKPG
          • Features - Shapefile, TAB and GPKG
            • Area - GB
            • Area - English region
            • Area - Wales region
            • Link feature type
            • Area - Polling districts England
            • Historical and ceremonial boundaries features
          • Layers - Shapefile, TAB and GKPG
            • Shapefile
            • TAB
            • GKPG
          • Code lists - Shapefile, TAB and GKPG
            • AreaCode
            • TypeCode
        • GML
          • Features - GML
            • AdministrativeUnit
          • Code lists - GML
            • AdministrativeHierarchyValue
            • NationalClassificationValue
          • Example record - GML
        • Vector tiles
      • Guide to Ceremonial County Boundaries
      • Additional Product Details
      • Boundary-Line Downloads
      • Boundary-Line Known Data Issues
    • Code-Point
      • Code-Point Overview
        • Product details
        • Product supply
      • Code-Point Products Comparison
      • Code-Point Getting Started Guide
        • Product supply
        • Data structure
        • CSV file processing
        • Data measures
        • Metadata
        • Glossary
      • Code-Point Technical Specification
        • Product structure
        • Supply formats
      • Code-Point Downloads
      • Code-Point Known Data Issues
    • Code-Point Open
      • Code-Point Open Overview
        • Product details
        • Product supply
      • Code-Point Open Products Comparison
      • Code-Point Open Getting Started Guide
        • Requirements for using the data
        • CSV file processing
        • Data measures
        • Loading the data into a GIS
        • Glossary
      • Code-Point Open Technical Specification
        • Product structure
        • Supply formats overview
      • Code-Point Open Downloads
      • Code-Point Open Known Data Issues
    • Code-Point with Polygons
      • Release Notes
        • January 2025
      • Code-Point with Polygons Overview
        • Product details
        • Product supply
      • Code-Point with Polygons Products Comparison
      • Code-Point with Polygons Getting Started Guide
        • Using the vertical street lookup
        • Creating single-space postcodes
        • Data measures
      • Code-Point with Polygons Technical Specification
        • Data supply
        • Specification
      • Code-Point with Polygons Downloads
      • Code-Point with Polygons Known Data Issues
    • 🆕OS Emergency Services Gazetteer
      • 🆕OS ESG Overview
        • 🆕Product supply
        • 🆕Planned enhancements
      • OS ESG Getting Started Guide
      • OS ESG Technical Specification
        • Feature type
          • BLPU (Type 21 Record)
        • Structured data types
          • LPI (Type 24 Record)
          • Classification (Type 32 Record)
        • 🆕Code lists
          • AddressbasePostalCode
          • BLPUStateCode
          • ChangeTypeCode
          • 🆕ClassificationCode
          • CountryCode
          • FileTypeCode
          • LanguageCode
          • LogicalStatusCode
          • OfficialFlagCode
          • RPCCode
          • USRNMatchIndicatorCode
        • Dataset metadata
          • Header (Type 10 Record)
          • Metadata (Type 29 Record)
          • Trailer (Type 99 Record)
      • 🆕OS ESG FAQs
      • 🆕OS ESG Downloads
      • OS ESG Known Data Issues
    • OS Open Built Up Areas
      • Release notes
        • April 2024
      • OS Open Built Up Areas Overview
        • Product details
        • Product supply
      • OS Open Built Up Areas Technical Specification
        • Feature types
          • Built Up Areas
          • Built Up Extents
          • Non Built Up Extents
        • Structured data types
          • MultiSurfaceWithAreaType
          • NameType
        • Code list
          • LanguageValue
        • Supply formats
      • OS Open Built Up Areas Known Data Issues
    • OS Open Names
      • Release Notes
        • April 2025
        • January 2025
        • October 2024
        • July 2024
      • OS Open Names Overview
        • Product applications
        • Product details
        • Product supply
      • OS Open Names Getting Started Guide
        • Obtaining OS Open Names data
        • CSV file processing
        • Loading the data in a GIS
      • OS Open Names Technical Specification
        • Source of OS Open Names
        • Viewing resolution
        • Product structure
        • Feature type
          • NamedPlace
        • Code lists
          • LanguageValue
          • NamedPlaceTypeValue
          • LocalTypeValue
        • Structured data types
          • GeographicalName
          • Identifier
        • Local Type
        • Supply formats overview
        • Attribute naming format comparison
        • LocalType code list
      • OS Open Names Downloads
      • OS Open Names Known Data Issues
    • Points of Interest
      • Release Notes
        • March 2025
        • December 2024
        • September 2024
        • June 2024
      • Points of Interest Product Information
        • Using Points of Interest
        • Data measures and data sources
        • Classification scheme
        • Points of Interest Provenance
        • Glossary
        • Points of Interest symbology
      • Points of Interest Technical Specification
        • Using Points of Interest
        • Pipe delimited text (PDT) file format
          • Record structure
        • Code lists
          • Positional Accuracy
          • Match Indicator
        • Example records
        • Glossary
      • Points of Interest Classification Scheme
        • Accommodation, eating and drinking
        • Commercial services
        • Attractions
        • Sport and entertainment
        • Education and health
        • Public infrastructure
        • Manufacturing and production
        • Retail
        • Transport
      • Points of Interest Class Count
        • Accommodation, eating and drinking
        • Commercial services
        • Attractions
        • Sport and entertainment
        • Education and health
        • Public infrastructure
        • Manufacturing and production
        • Retail
        • Transport
      • Points of Interest Downloads
      • Points of Interest Known Data Issues
  • Contextual or derived mapping
    • Contextual or Derived Mapping Portfolio Information
    • Colour Raster Map Fundamentals
      • Colour Raster Map Overview
        • Metadata
        • Data compression
        • Data measures
        • Product supply
      • Colour Raster Map Technical Specification
        • Georeferencing
        • Image file directory (TIFF)
        • Abbreviations used on OS 1:25 000 and 1:50 000 scale mapping
        • Product glossary
    • 1:25 000 Scale Colour Raster
      • 1:25 000 Scale Colour Raster Overview
        • Product details
        • Features depicted in the product
        • Georeferencing
      • 1:25 000 Scale Colour Raster Technical Specification
      • 1:25 000 Scale Colour Raster Downloads
      • 1:25 000 Scale Colour Raster Known Data Issues
    • 1:50 000 Scale Colour Raster
      • 1:50 000 Scale Colour Raster Overview
        • Product details
        • Features depicted in the product
        • Georeferencing
      • 1:50 000 Scale Colour Raster Technical Specification
      • 1:50 000 Scale Colour Raster Downloads
      • 1:50 000 Scale Colour Raster Known Data Issues
    • 1:250 000 Scale Colour Raster
      • 1:250 000 Scale Colour Raster Overview
        • Product details
        • Georeferencing
        • Gazetteer
      • 1:250 000 Scale Colour Raster Technical Specification
      • 1:250 000 Scale Colour Raster Downloads
      • 1:250 000 Scale Colour Raster Known Data Issues
    • GB Overview Maps
      • GB Overview Maps Downloads
      • GB Overview Maps Known Data Issues
    • MiniScale
      • MiniScale Product Guide
        • Supply and formats
        • Georeferencing
        • Depiction of roads and towns
        • Data compression
        • Features, layers and styles
      • MiniScale Technical Specification
        • National Grid
        • MiniScale file management
      • MiniScale Downloads
      • Miniscale Known Data Issues
    • OS Open Zoomstack
      • OS Open Zoomstack Getting Started Guide
        • Zoomstack vector tiles
        • Zoomstack GeoPackage format
      • OS Open Zoomstack Technical Specification
        • List of Layers
        • Description of the cartographic styles
        • Sea Extent and Name Languages
        • Vector Tiles Schema
        • GeoPackage Schema
      • OS Open Zoomstack Known Data Issues
    • OS OpenMap – Local
      • Release Notes
        • April 2025
      • OS OpenMap – Local Overview
        • Product applications and uses
        • Product details
        • Product supply
      • OS OpenMap – Local Getting Started Guide
        • Loading raster data
        • Loading vector data
        • Loading and displaying GML Data
        • POSTGIS
        • Loading and displaying Shapefile supply
        • Viewing the data in QGIS
        • Using shapefiles in PostGIS
        • Using MapInfo Professional
      • OS OpenMap – Local Technical Specification
        • Data structure
        • Feature types
          • Building
          • ElectricityTransmissionLine
          • Glasshouse
          • RailwayStation
          • RailwayTrack
          • RailwayTunnel
          • Road
          • RoadTunnel
          • Roundabout
          • MotorwayJunction
          • CarChargingPoint
          • Foreshore
          • SurfaceWater_Area
          • SurfaceWater_Line
          • TidalBoundary
          • TidalWater
          • Woodland
          • FunctionalSite
          • ImportantBuilding
          • NamedPlace
        • Code lists
          • RailwayStationClassification
          • RailwayTrackClassification
          • DrawLevelValue
          • OverrideValue
          • RoadClassification
          • RoundaboutClassification
          • CarChargingType
          • RatedVoltage
          • ChargeMethod
          • TidalBoundaryClassification
          • BuildingTheme
          • BuildingClassification
          • SiteClassification
          • FontHeightClassification
          • NamedPlaceClassification
      • OS OpenMap – Local Downloads
      • OS OpenMap – Local Known Data Issues
    • OS VectorMap District
      • OS VectorMap District Overview
        • Generalisation
        • Feature types
        • Style definition
        • Product supply
      • OS VectorMap District Technical Specification
        • GML Overview
        • Raster Specification
        • Georeferencing
        • Feature types
          • Building
          • ElectricityTransmissionLine
          • Glasshouse
          • RailwayStation
          • RailwayTrack
          • RailwayTunnel
          • MotorwayJunction
          • Road
          • RoadTunnel
          • Roundabout
          • Foreshore
          • SurfaceWater_Area
          • SurfaceWater_Line
          • TidalBoundary
          • TidalWater
          • Ornament
          • Woodland
          • FunctionalSite
          • NamedPlace
          • SpotHeight
          • AdministrativeBoundary
        • Code lists
          • RailwayStationClassification
          • RailwayTrackClassification
          • RoadClassification
          • RoundaboutClassification
          • DrawLevelValue
          • OverrideValue
          • TidalBoundaryClassification
          • FunctionalSiteClassification
          • NamedPlaceClassification
          • FontHeightClassification
          • AdministrativeBoundaryClassification
        • Attributes
        • Feature Codes
        • Styling of Land and Sea
      • Vector Simple Guide
        • Downloading OS OpenData
        • Opening OS OpenData in QGIS
        • Styling vector data
        • Opening and saving maps in Composer
      • Raster Simple Guide
        • Downloading OS OpenData
        • Opening OS OpenData in QGIS
        • Opening and saving a map in composer
      • OS VectorMap District Downloads
      • OS VectorMap District Known Data Issues
    • OS VectorMap Local
      • Release Notes
        • January 2025
      • OS VectorMap Local Overview
        • Product details
        • Features represented in the product
        • Product style definition
        • Product supply
        • National Grid coverage for OS VectorMap Local
      • OS VectorMap Local Technical Specification
        • GeoPackage overview
        • GML overview
        • Raster data
        • Feature types
          • Area
          • Line
          • VectorMapPoint
          • RoadCLine
          • RailCLine
          • Text
        • Code lists
          • DrawLevelValue
          • AnchorPositionValue
          • TextFontValue
        • Structured data types
          • textRenderingType
        • Feature codes and descriptions
        • Vector tiles overview
        • Important Buildings classification
      • OS VectorMap Local Downloads
      • Supporting documents
        • OS VectorMap Local Cartographic Style Definitions
      • OS VectorMap Local Known Data Issues
  • Networks
    • Networks Portfolio Information
    • OS Detailed Path Network
      • OS Detailed Path Network Overview
        • Product details
        • Attribution
        • Product supply
        • Coordinate reference system
      • OS Detailed Path Network Getting Started Guide
        • Downloading the data
        • Loading GML data
      • OS Detailed Path Network Technical Specification
        • OS Detailed Path Network structure
        • Feature types
          • Route
          • RouteLink
          • RouteNode
        • Structured data types
          • VerticalGainType
        • Code lists
          • LevelCodeValue
          • PotentialHazardValue
          • RightOfWayValue
          • RouteDescriptiveGroupValue
          • RouteDescriptiveTermValue
          • RouteLinkDescriptiveTermValue
          • RouteNodeDescriptiveTermValue
          • SurfaceTypeValue
        • Data quality
        • GML overview
        • GeoPackage overview
          • Route
          • RouteLink
          • RouteNode
        • Vector Tiles overview
          • Route
          • RouteLink
        • GML examples
      • OS Detailed Path Network Downloads
      • OS Detailed Path Network Known Data Issues
    • OS MasterMap Highways Network Fundamentals
      • Release Notes
        • May 2025
        • April 2025
        • March 2025
        • February 2025
        • January 2025
        • December 2024
        • November 2024
        • October 2024
        • September 2024
        • August 2024
        • July 2024
        • June 2024
      • OS MasterMap Highways Network Product Family
      • OS MasterMap Highways Network Overview
        • Standards
        • Coordinate reference system
        • Feature types
          • Road Link (present in Roads & RAMI products)
          • Road Node (present in Roads & RAMI products)
          • Path Link (present in Paths product)
          • Path Node (present in Paths product)
          • Connecting Link (present in Paths product)
          • Connecting Node (Present in Paths product)
          • Road (present in Roads & RAMI products)
          • Path (present in Paths product)
          • Street (present in all OS MasterMap Highways Network products)
          • Road Junction (present in Roads & RAMI products)
          • Ferry Link (present in all OS MasterMap Highways Network products)
          • Ferry Node (present in all OS MasterMap Highways Network products)
          • Ferry Terminal (present in all OS MasterMap Highways Network products)
          • Access Restrictions (present in RAMI product)
          • Turn Restrictions (present in RAMI product)
          • Restrictions For Vehicles (present in RAMI product)
          • Hazards (present in RAMI product)
          • Structures (present in RAMI product)
          • Maintenance (present in RAMI & Paths products)
          • Reinstatement (present in RAMI & Paths products)
          • Highways Dedication (present in RAMI & Paths products)
          • Special Designations (present in RAMI & Paths products)
        • Product supply
        • Product packaging
        • File naming
        • Feature validation data set
        • Volume feature count
        • OS Open Roads Lookup Table
      • OS MasterMap Highways Network Getting Started Guide
        • What do I need to use this data?
        • Product supply
        • Coverage
        • Product packaging
        • File naming
        • Unzipping GML, GeoPackage, and vector tiles files
        • Loading OS MasterMap Highways Network products into a GIS
        • Relationships between Highways tables
      • OS MasterMap Highways Network Playbook
        • Connecting to Address Data
        • Identifying Change in the Network
        • Highlighting Roads Under Construction
        • Creating a Map of Winter Gritting Routes
        • Adding Road Names and Numbers to a Map
        • Merging Tables and Dropping Geometry
        • Creating a Routable Network
      • OS MasterMap Highways Network Downloads
      • OS MasterMap Highways Network Known Data Issues
    • OS MasterMap Highways Network – Roads
      • OS MasterMap Highways Network Overview
      • OS MasterMap Highways Network – Roads Technical Specification
        • Specification changes
        • Structure
        • How the product fits together
        • Change-Only Update (COU) supply
        • Feature types
          • RoadLink
          • RoadNode
          • Road
          • Street
          • RoadJunction
          • FerryLink
          • FerryNode
          • FerryTerminal
        • Structured data types
          • identifier
          • OperationalStateType
          • DesignatedNameType
          • ResponsibleAuthority
          • CycleFacilityType
          • ElevationGainType
          • RoadWidthType
        • Code lists and Enumerations
          • ChangeValue
          • RoadClassificationValue
          • RoadFunctionValue
          • MatchStatusValue
          • OperationalStateValue
          • ProvenanceSourceValue
          • RoadStructureValue
          • LinkDirectionValue
          • FormOfWayValue
          • CycleFacilityValue
          • RoadWidthConfidenceLevelValue
          • FormOfRoadNodeValue
          • RoadNodeClassificationValue
          • AccessPointValue
          • StreetTypeValue
          • JunctionTypeValue
          • ConnectionTypeValue
          • FormOfWaterwayNodeValue
        • GML overview
        • GeoPackage overview
          • ferry_link
          • ferry_node
          • ferry_terminal
          • road
          • road_junction
          • road_link
          • road_node
          • street
        • Vector tiles overview
          • ferry_link
          • ferry_node
          • ferry_node
          • road_link
          • road_node
          • street
        • GML examples
      • OS MasterMap Highways Network Getting Started Guide
      • OS MasterMap Highways Network Known Data Issues
    • OS MasterMap Highways Network – Routing and Asset Management Information
      • OS MasterMap Highways Network Overview
      • OS MasterMap Highways Network – Routing and Asset Management Information Technical Specification
        • Specification changes
        • How the product fits together
        • Routing and Asset Management feature information
          • Data types
            • NetworkReference
            • NodeReference
            • LinkReference
            • PointReference
            • Multiple Link Reference
            • Point Reference
        • Common attribution
        • Rights and Restrictions
          • Feature types
            • AccessRestriction
            • HighwayDedication
            • TurnRestriction
            • RestrictionForVehicles
        • Advisory information
          • Feature types
            • Hazard
            • Structure
        • Asset management
          • Feature types
            • Maintenance
            • Reinstatement
            • Special Designation
        • Change-Only Update (COU) supply
        • Code lists and enumerations
          • ChangeValue
          • UseTypeValue
          • VehicleTypeValue
          • LoadTypeValue
          • NamedDateValue
          • NamedDayValue
          • NamedPeriodValue
          • NamedTimeValue
          • AccessRestrictionValue
          • DedicationValue
          • TurnRestrictionValue
          • RestrictionTypeValue
          • HazardTypeValue
          • StructureTypeValue
          • ReinstatementTypeValue
          • SpecialDesignationTypeValue
          • LinkDirectionValue
          • MaintenanceValue
        • Data types
          • TemporalPropertyType
          • DateRangeType
          • DayPropertyType
          • TimePropertyType
          • TimeRangeType
          • TrafficRegulationOrderType
          • VehicleQualifier
          • ResponsibleAuthority
          • Identifier
        • GML overview
        • GeoPackage overview
          • Access Restriction
          • Highway Dedication
          • Turn Restriction
          • Restriction for Vehicles
          • Hazard Point
          • Hazard
          • Structure Point
          • Structure
          • Maintenance
          • Maintenance Point
          • Maintenance Line
          • Maintenance Area
          • Reinstatement
        • GML examples
      • OS MasterMap Highways Network Getting Started Guide
      • OS MasterMap Highways Network Known Data Issues
    • OS MasterMap Highways Network – Paths
      • OS MasterMap Highways Network Overview
      • OS MasterMap Highways Network – Paths Technical Specification
        • Specification changes
        • Structure
        • How does the product fit together?
        • Change-Only Update (COU) Supply
        • Feature types
          • PathLink
          • PathNode
          • ConnectingLink
          • ConnectingNode
          • Path
          • Street
          • FerryLink
          • FerryNode
          • FerryTerminal
          • Maintenance
          • Reinstatement
          • SpecialDesignation
          • HighwayDedication
        • Structured data types
          • Identifier
          • CycleFacilityType
          • ElevationGainType
          • OperationalStateType
          • DesignatedNameType
          • ResponsibleAuthority
          • TemporalPropertyType
          • DateRangeType
          • DayPropertyType
          • TimePropertyType
          • TimeRangeType
        • Data types
          • NetworkReferenceLocation
          • Temporal Properties
        • Code lists and Enumerations
          • ChangeValue
          • FormOfWayValue
          • SurfaceTypeValue
          • MatchStatusValue
          • ProvenanceSourceValue
          • CycleFacilityValue
          • FormOfRoadNodeValue
          • RoadNodeClassificationValue
          • OperationalStateValue
          • StreetTypeValue
          • ConnectionTypeValue
          • FormOfWaterwayNodeValue
          • DedicationValue
          • ReinstatementTypeValue
          • SpecialDesignationTypeValue
          • MaintenanceValue
        • GML Overview
        • GeoPackage overview
          • connecting_link
          • connecting_node
          • ferry_link
          • ferry_node
          • ferry_terminal
          • highway_dedication
          • maintenance
          • path
          • path_link
          • path_node
          • reinstatement
          • special_designation
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  1. Addressing and Location
  2. OS Open Names
  3. OS Open Names Getting Started Guide

Loading the data in a GIS

PreviousCSV file processingNextOS Open Names Technical Specification

Last updated 6 months ago

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Loading the data in a GIS

This section describes how to load the combined CSV output file into five commonly-used GIS applications:

QGIS

The following step-by-step instructions show you how to load OS Open Names CSV files into QGIS. They were prepared using QGIS Desktop version 3.

QGIS is an open-source GIS in which you can create, edit, visualise and publish geographic information. You can download it for free from the .

Loading and displaying the CSV supply

To load and display CSV data in QGIS:

  1. Open an existing project in QGIS or create a new one.

  2. From the Layer tab, click Add Layer > Add Delimited Text Layer… or click in the Manage Layers toolbar.

  3. In the Data Source Manager | Delimited Text dialog:

    • File name: Click the ellipsis button (…), then navigate to and select the saved outputfile.csv.

    • File Format: Select CSV (comma separated values).

    • Record and Fields Options: Select First Record has field names.

    • Geometry Definition:

      • Point coordinates: Select this option.

        1. X field: Choose Eastings (or EA if the abbreviated column header was selected).

        2. Y field: Choose Northings (or NO if the abbreviated column header was selected).

        3. Geometry CRS: Select EPSG:27700 – OSGB 1936 / British National Grid.

  4. Click Add.

    It may take a while for the data to load into the map pane. The result will look similar to the example below. OS Maps API Light 27700 was used as the background map for this example.

  5. Save outputfile in the format of your choosing.

    This will avoid having to repeat the process of geoprocessing outputfile.csv every time you need to use it.

ArcGIS Pro

The following step-by-step instructions show you how to load OS Open Names CSV files into ArcGIS Pro. They were prepared using version 3.0.

Loading and displaying the CSV supply

To load and display CSV data in ArcGIS Pro:

  1. Open ArcGIS Pro and create a new project.

  2. In the Create a New Project dialog:

    • Name: Enter a project name. Open_Names in this example.

    • Location: Browse to and select the location to which you want to save the project.

    • Create a new folder for this project: Leave this option selected (default setting).

    • Click OK.

  3. When the project opens, add a background map for geographic context. OS Maps API Light 27700 was added as the background map in this example.

  4. From the Map tab, click Add Data > XY Point Data.

    A Geoprocessing pane will open to the right side of the map pane.

  5. In the Geoprocessing pane:

    • Input Table: Click to navigate to and select outputfile.csv.

    • Output Feature Class: This will auto-populate.

    • X Field: Select GEOMETRY_X

    • Y Field: Select GEOMETRY_Y

    • Coordinate System: Select Current Map [Map].

    This will populate as British National Grid as OS Maps API Light 27700 map was added as a background map (step 3. above).

    Click Run at the bottom right of the Geoprocessing pane.

    It may take a while for the data to load into the map pane. The result will look similar to the example below.

    This process results in the creation of a new file geodatabase in the new folder that was selected when the project was created (step 2. above).

ArcMap

The following step-by-step instructions show you how to load OS Open Names CSV files into ArcMap. They were prepared using version 10.7.1.

Loading and displaying the CSV supply

To load and display CSV data in ArcMap:

  1. Open ArcMap.

  2. Click (Add Data button) in the toolbar.

  3. In the Add Data dialog, navigate to and select outputfile.csv, and then click Add.

  4. The file will now display in the Table Of Contents.

  5. Right-click outputfile.csv in the Table of Contents and select Display XY data…in the context menu.

  6. In the Display XY Data dialog:

    • X Field: Select GEOMETRY_X

    • Y Field: Select GEOMETRY_Y

    • Coordinate System of the Input Coordinates: Select British National Grid.

    • Click OK.

    • Click OK to close the warning dialog. The Table Does Not Have Object-ID Field warning dialog alerts you to the fact that the resulting layer file is only a temporary table and needs to be saved (see step 7. below).

      It may take a while for the data to load into the map pane. The result will look similar to the example below. OS Maps API Light 27700 was used as the background map for geographic context.

    To use the points in a meaningful way, you need to save the layer as a shapefile.

  7. To save the layer as a shapefile:

    1. Right-click outputfile.csv Events in the Layers panel and then click Export in the context menu.

    2. In the Export Data dialog, browse to and select a filename for the data, and then click OK.

      The shapefile may take a while to create. You can monitor the progress in the Export Progress window that opens automatically. This window will close when the export is complete.

  8. You will be given the option to add the newly created data to the workspace. Click Yes, to create a shapefile (and associated files) at the chosen location.

MapInfo Pro

The following step-by-step instructions show you how to load OS Open Names CSV files into MapInfo. They were prepared using version MapInfo Pro 2019 (release build 58).

Loading and displaying the CSV supply

To load and display CSV data in MapInfo Pro:

  1. Open MapInfo Pro.

  2. Select Open > Blank Workspace.

  3. Add a background map for geographic context. OS Maps API Light 27700 was added as the background map in this example.

  4. From the HOME tab, click Open Table.

  5. In the Open dialog:

    • Files of type: Change MapInfo.tab to Comma delimited CSV (*.csv).

    • Browse to and select outputfile.csv.

    • Click Open.

  6. In the Comma Delimited CSV Information dialog:

    • Delimiter: Ensure that Other is checked and that a comma is visible in the box next to it.

    • Check the Use First Line for Column Titles option.

    • Click OK.

      When the table has loaded, the outputfile Browser window will open. This may take a while

  7. To create the points from the table, from the SPATIAL tab click Create > Create Points.

  8. In the Create Points dialog:

    • Projection: Change this from Longitude / Latitude (WGS 84) to British National Grid [EPSG:27700].

    • The easiest way to do this is to click the ellipsis button (to the right of the Projection field), press B on your keyboard 6 times, highlight British National Grid [EPSG:27700] in the results, and then click OK.

    • using Symbol: Optionally, change the symbol from a square (default style) by clicking the symbol button and following the instructions. This example uses a red star that is more visible than the default square.

    • Leave the other settings as they are (including Get X Coordinates from: GEOMETRY_X and Get Y Coordinates from: GEOMETRY_Y).

    • Click OK.

      A progress bar will display and then close automatically when the geoprocessing is complete.

      When the process is complete, the points will display in the map pane in your chosen point style. The result will look similar to the example below:

      A .tab file (and associated .MAP and .ID files) is automatically created in the same folder as outputfile.csv. However, these are temporary files created as part of the point creation process and are difficult to query.

  9. To save the outputfile layer as a true .tab file:

    • From the HOME tab, click Save > Save Copy As.

    • In the Save Copy As dialog, select outputfile and click Save As…

    • In the Save Copy of Table As dialog, navigate to the location where you would like to save the .tab file, name the file, select MapInfo Extended (*.tab) in the Save as type field, and then click Save.

    A progress bar will once again appear and then disappear when the save has completed. The new .tab file, which is far easier to query, will now be available to use in MapInfo.

Cadcorp SIS Desktop

The following step-by-step instructions show you how to load OS Open Names CSV files into Cadcorp SIS. They were prepared using version 9.0.2275.64 9 (build date July 17, 2020).

Loading and displaying the CSV supply

To load and display CSV data in Cadcorp SIS:

  1. Open Cadcorp

  2. From the File tab, click New > Blank Map.

  3. Add a background map for geographic context: Cadcorp has incorporated the OS Data Hub Web Map Tile Service into their Overlays.

    • Click Add Overlay > Ordnance Survey (GB) > OS (GB) Data Hub > OS Maps API.

    • In the OS (GB) Data Hub confirmation dialog, select:

      • Yes, to use the default Cadcorp AKI key.

      • No, to enter your own API key.

      • Click Next.

      • Select your layer style and then click Finish. There are four styles in two projections to choose from.

        You should now see the OS Maps API in your SIS Workspace Definitions.

  4. From the Create tab, click Insert > Insert Points from CSV File.

  1. Browse to and select outputfile.csv, and then click Next>.

  2. In the Database file dialog:

    • File Type: Select Delimited.

    • Click Next.

  3. In the File format dialog:

    • Field Delimiter: Select Comma.

    • Select First Row Contains Field Names.

    • Click Next.

  4. In the Database columns dialog, click Next>.

  5. In the Recordset dialog, select which columns can be queried:

    • To select all columns, click outputfile in the Database Tables/Columns field and then click (forward icon). This adds all columns to the Selected columns field on the right.

    • Click Next.

  6. In the View Points dialog:

    • X Field: Select Geometry_X.

    • Y Field: Select Geometry_Y.

    The above settings determine which fields have your Easting and Northing.

    • Click Finish.

    You can view the points created counter on the bottom left of the dialog.

    It may take a while for the table to load in the map pane. The result will look similar to the example below.

  7. To make the points more visible:

    • Right-click Imported outputfile in SIS Workspace Definitions and then click Properties in the context menu.

    • In Geometry, select the Override checkbox next to the Pen, Brush and Symbol fields.

    • In Scale Overrides, change the entry in the Point field to -0.1.

      The points will now be visible and will look similar to the example below.

Download QGIS for your platform page of the QGIS website
QGIS
ArcGIS Pro
ArcMap
MapInfo Pro
Cadcorp SIS Desktop
QGIS UI showing the Layer > Add Layer > Add Delimited Text Layer menu option.
QGIS Data Source Manager | Delimiter Text dialog.
QGIS UI showing loaded OS Open Names data in the map pane.
ArcGIS Pro Create a New Project dialog.
ArcGIS Pro UI showing the Map > Add Data > XY Point Data menu option.
ArcMap Pro Geoprocessing pane showing Parameters field options.
ArcMap Pro Geoprocessing pane showing Run button and initialization progress.
ArcGIS Pro UI showing loaded OS Open Names dat in the map pane.
ArcMap toolbar.
ArcMap Add Data dialog.
ArcMap Table Of Contents.
ArcMap Table Of Contents showing the Display XY Data… action selected in the context menu.
ArcMap Display XY Data dialog.
ArcMap Table Does Not Have Object-ID Field warning dialog.
ArcMap UI showing loaded OS Open Names data in the map pane.
ArcMap Export Data dialog showing selected shapefile.
ArcMap alert dialog providing the option to add exported shapefile to the map as a layer.
MapInfo Pro Open > Blank Workspace action.
MapInfo Pro Home > Open Table action.
MapInfo Pro Open dialog showing outputfile.csv selected.
MapInfo Pro Comma Delimited CSV Information dialog.
MapInfo Pro outputfile Browser window
MapInfo Pro UI showing the Spatial > Create > Create Points action and the outputfile Browser window.
MapInfo Pro Create Points dialog.
MapInfo Pro geoprocessing Status dialog.
MapInfo Pro UI showing loaded OS Open Names data in the map pane.
MapInfo Pro Save Copy As dialog with outputfile selected.
MapInfo Pro Save Copy of Table As dialog showing how to save outputfile as a true .tab file.
Cadcorp UI showing the File > New > Blank Map action.
Cadcorp OS (GB) Data Hub dialog with the OS Maps API option selected.
Cadcorp OS Data Hub Maps API Layers dialog.
Cadcorp OS Data Hub Maps API Layers dialog.
Cadcorp UI showing Create > Insert > Insert Points from a CSV File action.
Cadcorp Database file dialog showing Delimited option selected.
Cadcorp File format dialog showing Comma and First Row Contains Field Names options selected.
Cadcorp Recordset dialog showing all output file columns in the Selected columns field.
Cadcorp View Points dialog showing Point Configuration field options.
Cadcorp UI showing loaded OS Open Names data in the map pane.
Cadcorp Overlays dialog showing Styles tab options.
Cadcorp UI showing loaded OS Open Names data with visible points in the map pane.
QGIS UI showing the Layer > Add Layer > Add Delimited Text Layer menu option.
QGIS Data Source Manager | Delimiter Text dialog.
QGIS UI showing loaded OS Open Names data in the map pane.
ArcGIS Pro Create a New Project dialog
ArcGIS Pro UI showing the Map > Add Data > XY Point Data menu option.
ArcMap Pro Geoprocessing pane showing Parameters field options.
ArcMap Pro Geoprocessing pane showing Run button and initialization progress.
ArcGIS Pro UI showing loaded OS Open Names data in the map pane.
ArcMap toolbar.
ArcMap Add Data dialog.
ArcMap Table Of Contents.
ArcMap Table Of Contents showing the Display XY Data… action selected in the context menu.
ArcMap Display XY Data dialog.
ArcMap Table Does Not Have Object-ID Field warning dialog.
Figure 18:	ArcMap UI showing loaded OS Open Names data in the map pane.
ArcMap Export Data dialog showing selected shapefile.
ArcMap alert dialog providing the option to add exported shapefile to the map as a layer.
MapInfo Pro Open > Blank Workspace action.
MapInfo Pro Home > Open Table action.
MapInfo Pro Open dialog showing outputfile.csv selected.
MapInfo Pro Comma Delimited CSV Information dialog.
MapInfo Pro outputfile Browser window
MapInfo Pro UI showing the Spatial > Create > Create Points action and the outputfile Browser window.
MapInfo Pro Create Points dialog.
MapInfo Pro geoprocessing Status dialog.
MapInfo Pro Save Copy As dialog with outputfile selected.
MapInfo Pro Save Copy of Table As dialog showing how to save outputfile as a true .tab file.
Cadcorp UI showing the File > New > Blank Map action.
Cadcorp OS (GB) Data Hub dialog with the OS Maps API option selected.
Cadcorp OS Data Hub Maps API Layers dialog.
Cadcorp OS Data Hub Maps API Layers dialog.
Cadcorp UI showing Create > Insert > Insert Points from a CSV File action.
Cadcorp Database file dialog showing Delimited option selected.
Cadcorp File format dialog showing Comma and First Row Contains Field Names options selected.
Cadcorp Recordset dialog showing all output file columns in the Selected columns field.
Cadcorp View Points dialog showing Point Configuration field options.
Cadcorp UI showing loaded OS Open Names data in the map pane.
Cadcorp Overlays dialog showing Styles tab options.
Cadcorp UI showing loaded OS Open Names data with visible points in the map pane.