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  • OS NGD Documentation
  • INTRODUCTION TO OS NGD
    • Introduction to OS NGD
    • OS NGD Explained
    • OS NGD Key Benefits to Customers
    • OS NGD Sample Data
    • OS NGD Product Viewer Tool
  • GETTING STARTED
    • Getting Started Information
    • OS NGD Fundamentals
      • Terminology and access
      • File formats and naming
      • Data ordering and currency
      • COU supplies
      • Data schema versioning
      • Unique identifiers
      • Coordinate reference systems
      • Attribute information for feature types
    • Downloading with OS Select+Build
      • Getting Started with GeoPackage
        • ArcGIS Pro
        • ArcMap
        • Cadcorp SIS
        • MapInfo Professional
        • QGIS
        • FME
        • GDAL
      • Getting Started with CSV
        • Loading CSV files
        • Processing COUs
      • Getting Started with Attribute Filtering
      • Getting Started with Temporal Filtering
    • Accessing OS NGD APIs
      • Getting started with an API project
      • OS NGD API – Features
        • What data is available?
        • Technical Specification
          • Landing page
          • Conformance
          • Collections
          • Collection
          • Schema
          • Queryables
          • Features
          • Feature
        • Getting Started
          • GIS Software
            • Cadcorp SIS
            • ESRI ArcGIS Online
            • ESRI ArcGIS Pro
            • QGIS
          • Libraries
            • Leaflet
            • MapLibre GL JS
            • OpenLayers
            • Python (Geopandas)
        • Code Examples
      • OS NGD API – Tiles
        • What data is available?
        • Zoom Levels
        • Technical Specification
          • Landing page
          • Conformance
          • Collections
          • Collection
          • Tile Matrix Sets
          • Tiles
          • Styles
        • Getting Started
          • GIS Software
            • Cadcorp SIS
            • QGIS
          • Libraries
            • Leaflet
            • MapLibre GL JS
            • OpenLayers
        • Code Examples
    • Styling OS NGD Data
    • OS NGD Webinars, Tutorials and Case Studies
    • FAQs
  • OS NGD NEWS
    • OS NGD News
    • What's New?
    • Change Log
    • OS NGD Improvements
    • Future OS NGD Data Enhancements
  • Data and Service Status
    • Data and Service Status Information
  • 🆕Live Service Disruption and Planned Maintenance
  • Current Known Data Issues
  • 🆕Resolved Data Issues
  • USING OS NGD DATA
    • OS NGD Buildings
      • Building Feature Type
      • How Building data is created
      • Building attribution
      • Known limitations
      • Summary
    • OS NGD Structures
      • Field Boundary
        • Field Boundary Feature Type
        • How Field Boundary data is created
        • Field Boundary attribution
        • Known limitations
        • Summary
    • OS NGD Transport
      • Pavements
        • Pavement polygons
        • Pavement attribution
        • Pavement Link feature type
      • Trams
        • Tram attribution on Road Link
        • Tram On Road Feature Type
        • Trams in the Rail Network
      • Street Light
        • Known limitations
    • OS NGD Land Cover Enhancements
      • Introduction
      • Habitat mapping
      • Percentage coverage
      • Cross reference table
      • Known limitations
      • Summary
  • DATA STRUCTURE
    • Data Structure Information
    • OS NGD Address
      • GB Address
        • Built Address
        • Historic Address
        • Non-Addressable Object
        • Pre-Build Address
        • Street Address
      • Islands Address
        • Built Address
        • Historic Address
        • Non-Addressable Object
        • Pre-Build Address
        • Street Address
      • Related Components
        • Alternate Address
        • Postal Address
        • Other Classification
        • Related Entity
      • Versioning information
      • GB Address Local Custodian Codes
      • Islands Address Local Custodian Codes
    • OS NGD Administrative and Statistical Units
      • Boundaries
        • Boundary High Water Mark
        • Ceremonial County
        • Country
        • Devolved Parliament Constituency
        • Devolved Parliament Electoral Region
        • Electoral Division
        • GLA Assembly Constituency
        • Historic County
        • Historic European Region
        • Lower Tier Local Authority
        • Parish Or Community
        • Polling District
        • Region
        • Regional Authority
        • Upper Tier Local Authority
        • Ward
        • Westminster Constituency
    • OS NGD Buildings
      • Building Features
        • Building
        • 🆕Building Access Location
        • Building Line
        • Building Part
    • OS NGD Geographical Names
      • Named Features
        • 🆕Crowd Sourced Name Point
        • Named Area
        • Named Point
        • Named Road Junction
    • OS NGD Land
      • Land Features
        • Land
        • Land Point
        • Landform
        • Landform Line
        • Landform Point
    • OS NGD Land Use
      • Land Use Features
        • Site
        • Site Access Location
        • ❌Site Routing Point
    • OS NGD Structures
      • Structure Features
        • Compound Structure
        • Field Boundary
        • Structure
        • Structure Line
        • Structure Point
    • OS NGD Transport
      • Routing and Asset Management Information (RAMI)
        • Average And Indicative Speed
        • Highway Dedication
        • Maintenance Area
        • Maintenance Line
        • Maintenance Point
        • Reinstatement Area
        • Reinstatement Line
        • Reinstatement Point
        • Restriction
        • Routing Hazard
        • Routing Structure
        • Special Designation Area
        • Special Designation Line
        • Special Designation Point
      • Transport Features
        • Cartographic Rail Detail
        • Rail
        • Road Line
        • Road Track Or Path
        • 🆕Street Light
      • Transport Network
        • Connecting Link
        • Connecting Node
        • Ferry Link
        • Ferry Node
        • Ferry Terminal
        • Path
        • Path Link
        • Path Node
        • Pavement Link
        • Railway Link
        • Railway Link Set
        • Railway Node
        • Road
        • Road Junction
        • Road Link
        • Road Node
        • Street
        • Tram On Road
    • OS NGD Water
      • Water Features
        • Inter Tidal Line
        • River Basin District Catchment
        • Tidal Boundary
        • Water
        • Water Point
        • Waterbody Catchment
      • Water Network
        • Water Link
        • Water Link Set
        • Water Node
  • Code Lists
    • Code Lists Overview
      • accesstypevalue
      • 🆕accesslevelvalue
      • 🆕accessmodevalue
      • 🆕accessobstructionvalue
      • 🆕accesspurposevalue
      • addressbasepostalvalue
      • addressclassificationsourcevalue
      • addressdescriptionvalue
      • addressstatusvalue
      • addressstreettypevalue
      • associatedstreetdatadescriptionvalue
      • averageandindicativespeeddescriptionvalue
      • basementpresencesourcevalue
      • boundaryhighwatermarkdescriptionvalue
      • boundarytypevalue
      • 🆕buildingaccesslocationdescriptionvalue
      • buildingageperiodvalue
      • buildingagesourcevalue
      • buildingconnectivitytypevalue
      • buildingdescriptionvalue
      • buildinglinedescriptionvalue
      • buildingpartdescriptionvalue
      • buildingpartoslandcovertieravalue
      • buildingpartoslandcovertierbvalue
      • buildingusevalue
      • buildstatusvalue
      • builtstructureheightconfidencevalue
      • capturemethodvalue
      • capturespecificationvalue
      • ceremonialcountydescriptionvalue
      • changetypevalue
      • classificationcorrelationvalue
      • compoundstructuredescriptionvalue
      • connectinglinkdescriptionvalue
      • connectingnodedescriptionvalue
      • constructionmaterialsourcevalue
      • constructionmaterialvalue
      • countryvalue
      • countrydescriptionvalue
      • 🆕crowdsourcednamedescriptionvalue
      • 🆕crowdsourcednamematchtypevalue
      • cyclefacilityvalue
      • dataentitycatalogue
      • dedicationvalue
      • devolvedparliamentconstituencydescriptionvalue
      • devolvedparliamentelectoralregiondescriptionvalue
      • electoraldivisiondescriptionvalue
      • extentoflinkvalue
      • ferrylinkdescriptionvalue
      • ferrynodedescriptionvalue
      • ferryterminaldescriptionvalue
      • fieldboundarydescriptionvalue
      • formofroadnodevalue
      • formofwaytypevalue
      • gaugevalue
      • glaassemblyconstituencydescriptionvalue
      • gssrolevalue
      • hazardtypevalue
      • heightingmethodvalue
      • highwaydedicationnetworkfeaturetypevalue
      • historiccountydescriptionvalue
      • historiceuropeanregiondescriptionvalue
      • intertidallinedescriptionvalue
      • 🆕illuminationvalue
      • junctiontypedescriptionvalue
      • landdescriptionvalue
      • landformdescriptionvalue
      • landformlinedescriptionvalue
      • landformpointdescriptionvalue
      • landoslandcovertieravalue
      • landoslandcovertierbvalue
      • landformvalue
      • landpointdescriptionvalue
      • languagevalue
      • linkdirectionvalue
      • 🆕linkreferenceconfidencevalue
      • lowertierlocalauthoritydescriptionvalue
      • maintenancevalue
      • 🆕matchedfeaturetypengdvalue
      • 🆕matchedthemengdvalue
      • matchstatusvalue
      • classificationcorrelationvalue
      • namedareaextentdefinitionvalue
      • nameddatevalue
      • nameddayvalue
      • namedescriptiongroupvalue
      • namedescriptionvalue
      • namedperiodvalue
      • namedroadjunctiondescriptionvalue
      • namedtimevalue
      • networkfeaturetypevalue
      • 🆕networknodefeaturetypevalue
      • networkoverunderbridgevalue
      • operationalstatevalue
      • operationalstatusvalue
      • oslandusetieravalue
      • oslandusetierbvalue
      • parentboundarydescriptionvalue
      • parentfeaturetypevalue
      • parishorcommunitydescriptionvalue
      • pathdescriptionvalue
      • pathnodedescriptionvalue
      • physicallevelvalue
      • 🆕physicalstatevalue
      • physicallevelvalue
      • pollingdistrictdescriptionvalue
      • positionalaccuracyvalue
      • postcodetypevalue
      • presencevalue
      • raildescriptionvalue
      • raildetaildescriptionvalue
      • railoslandcovertieravalue
      • railoslandcovertierbvalue
      • railwaylinkdescriptionvalue
      • railwaylinksetdescriptionvalue
      • railwaynodedescriptionvalue
      • railwayusevalue
      • regionalauthoritydescriptionvalue
      • regiondescriptionvalue
      • reinstatementtypevalue
      • relationshiptypevalue
      • restrictiontypedescriptionvalue
      • restrictionvalue
      • riverbasindistrictcatchmentdescriptionvalue
      • roadclassificationvalue
      • roaddescriptionvalue
      • roadfunctionvalue
      • roadlinedescriptionvalue
      • roadnodedescriptionvalue
      • roadstructurevalue
      • roadtrackorpathdescriptionvalue
      • roadtrackorpathoslandcovertieravalue
      • roadtrackorpathoslandcovertierbvalue
      • roadwidthconfidencelevelvalue
      • 🆕roofconfidenceindicatorvalue
      • 🆕roofmaterialvalue
      • 🆕roofshapevalue
      • pavementdescriptionvalue
      • sideofroadvalue
      • siteaccesslocationdescriptionvalue
      • sitedescriptionvalue
      • siteextentdefinitionvalue
      • siteroutingpointdescriptionvalue
      • sourceofmeasurevalue
      • specialdesignationtypevalue
      • stakeholdervalue
      • statusvalue
      • streetclassificationvalue
      • streetdescriptionvalue
      • streetgeometrysourcevalue
      • 🆕streetlightdescriptionvalue
      • streetstatevalue
      • streetsurfacevalue
      • streettypevalue
      • structuredescriptionvalue
      • structureoslandcovertieravalue
      • structureoslandcovertierbvalue
      • structurelinedescriptionvalue
      • structurepointdescriptionvalue
      • structuretypevalue
      • structurevalue
      • surfacetypevalue
      • themevalue
      • tidalboundarydescriptionvalue
      • trackrepresentationvalue
      • tramdescriptionvalue
      • 🆕transportfeaturetypevalue
      • uppertierlocalauthoritydescriptionvalue
      • usrnmatchindicatorvalue
      • vehiclequalifiervalue
      • warddescriptionvalue
      • waterbodycatchmentdescriptionvalue
      • waterbodycategoryvalue
      • waterdescriptionvalue
      • wateroslandcovertieravalue
      • wateroslandcovertierbvalue
      • waterlinkdescriptionvalue
      • waterlinkflowdirectionvalue
      • waterlinkgeometrysourcevalue
      • waterlinklevelofdetailvalue
      • waterlinkpermanencevalue
      • waterlinkphysicalcontainmentvalue
      • waterlinkprimacyvalue
      • waterlinksetdescriptionvalue
      • waterlinkwatertypevalue
      • watermarkvalue
      • waternodedescriptionvalue
      • waterpointdescriptionvalue
      • watertypevalue
      • westminsterconstituencydescriptionvalue
      • yesnovalue
  • EXTRA LINKS
    • Accessibility
    • Data Catalogue
    • Contact Us
    • Copyright
    • PSGA Product Summary
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On this page
  • OS NGD daily live service disruption
  • OS NGD resolved service disruption
  • Resolved service disruption: 14/05/2025–17/05/2025
  • OS NGD planned maintenance

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Live Service Disruption and Planned Maintenance

This page will be updated to note planned downtime due to maintenance or shutdown periods. Unexpected interruptions to product availability, releases and updates will also be displayed here.

PreviousData and Service Status InformationNextCurrent Known Data Issues

Last updated 9 days ago

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  • Any live interruptions to the availability of OS NGD API – Features and OS NGD API – Tiles will be documented on the .

  • Please see the for details about current known data issues.

  • Please see the for details about resolved data issues.

OS NGD daily live service disruption

There are no live service disruptions affecting OS NGD at this time.

OS NGD resolved service disruption

Resolved service disruption: 14/05/2025–17/05/2025

Impacted data

Service disruption impacted the OS NGD Buildings Collection; the feature type affected by the outage was the OS NGD Building Feature Type v4.0.

Disruption description

Data schema version 4.0 of the OS NGD Building Feature Type was not updated between 14/05/2025 and 16/05/2025.

Impacts of the disruption

Daily changes were not supplied for the impacted Building Feature Type v4.0. This meant any daily orders between 14/05/2025 and 16/05/2025 containing OS NGD Building Feature Type v4.0 were supplied as blank files.

Resolution update

The service disruption was resolved by Saturday 17/05/2025, and any daily orders containing Building Feature Type v4.0 were supplied as normal from this date. We apologise for any inconvenience caused by this period of service disruption.

OS NGD planned maintenance

No maintenance events are currently scheduled that will impact the availability of the OS NGD.

🆕
Service Availability Dashboard on the OS Data Hub
Current Known Data Issues page
Resolved Data Issues page