πŸ†•BLPU (Type 21 Record)

The Basic Land and Property Unit (BLPU) feature type is a real-world object that is an area of land, property or structure of fixed location having uniform occupation, ownership or function.

Temporal Filtering

The earliest date on which you can request a one-off snapshot of a date in the past for data in this feature type is 27 March 2024.

Feature type attributes

The following sub-sections provide details about the attributes included with this feature type, their data types in the different output formats, and other important metadata about them.

Note:

The following attributes will not be populated within the OS ESG: Parent_UPRN and Multi_Occ_Count.

fidβ€―

A non-persistent integer which is autogenerated and is required within the OGC GeoPackage format.

  • Attribute Name: fid (GKPG), Not provided (CSV)

  • Data Types: Integer β€―(GKPG), Integer (CSV)

  • Nullable:β€― falseβ€―

  • Data Schema Version: 1.0

Record ID

Identifies this record as a BLPU Record (type 21).β€―

  • Attribute Name: Not providedβ€―(GKPG), RECORD_IDENTIFIER (CSV)

  • Data Types: Integer β€―(GKPG), Integer (CSV)

  • Max Length: 2

  • Nullable:β€― false

  • Data Schema Version: 1.0

Change type

The type of record change. Please see the Available formats section on the Technical specification page for more information.β€―

  • Attribute Name: change_type (GKPG), CHANGE_TYPE (CSV)

  • Code List Name: ChangeTypeCodeβ€―β€―

  • Max Length: 1

  • Nullable:β€― false

  • Data Schema Version: 1.0

Processing order

The order in which the records were processed in to create the data supply.β€―

  • Attribute Name: Not provided (GKPG), PRO_ORDER (CSV)

  • Data Types: Integer β€―(GKPG), Integer (CSV)

  • Max Length: 16

  • Nullable:β€― false

  • Data Schema Version: 1.0

UPRN

Unique Property Reference Number (UPRN) assigned by Ordnance Survey.β€―

  • Attribute Name: uprnβ€―(GKPG), UPRN (CSV)

  • Data Types: Integer β€―(GKPG), Integer (CSV)

  • Max Length: 12

  • Nullable:β€― false

  • Data Schema Version: 1.0

Logical status

Logical status of this record as given by Ordnance Survey. This attribute shows whether the record is currently live or historic.β€―

  • Attribute Name: logical_status (GKPG), LOGICAL_STATUS (CSV)

  • Code List Name: β€―LogicalStatusCode

  • Max Length: 1

  • Nullable:β€― false

  • Data Schema Version: 1.0

BLPU state

A code identifying the current state of the BLPU.β€―

  • Attribute Name: blpu_state_date (GPKG), BLPU_STATE_DATE (CSV)

  • Code List Name: BLPUStateCodeβ€―

  • Max Length: 1

  • Nullable:β€― true

  • Data Schema Version: 1.0

BLPU state date

Date at which the BLPU achieved its current state as defined in the BLPU State field.β€―

  • Attribute Name: blpu_state_date (GKPG), BLPU_STATE_DATE (CSV)

  • Condition: BLPU State Date must be present if BLPU State is present.β€―

  • Data Types: Date (GKPG), Date (CSV)

  • Nullable:β€― true

  • Data Schema Version: 1.0

Parent UPRN

UPRN of the parent Record if a parent child relationship exists.β€―

  • Attribute Name: parent_uprn (GKPG), PARENT_UPRN (CSV)

  • Data Types: Integer (GKPG), Integer (CSV)

  • Max Length: 12

  • Nullable:β€― true

  • Data Schema Version: 1.0

X coordinates

A value in metres defining the x location in accordance with the British National Grid.β€―β€―

  • Attribute Name: x_coordinate (GKPG) , X_COORDINATE (CSV)

  • Data Types: Double (GKPG), Real (CSV)

  • Precision: X_COORDINATE 8

  • Scale: 2

  • Nullable:β€― false

  • Data Schema Version: 1.0

Y coordinates

A value in metres defining the y location in accordance with the British National Grid.β€―β€―

  • Attribute Name: y_coordinate (GKPG) , Y_COORDINATE (CSV)

  • Data Types: Double (GKPG), Real (CSV)

  • Precision: Y_COORDINATE 9

  • Scale: 2

  • Nullable:β€― false

  • Data Schema Version: 1.0

Latitude location

A value defining the Latitude location in accordance with the ETRS89 coordinate reference system.

  • Attribute Name: latitude (GKPG), LATITUDE (CSV)

  • Data Types: Doubleβ€― (GKPG), Realβ€― (CSV)

  • Precision: LATITUDE 9

  • Scale: 7

  • Nullable:β€― false

  • Data Schema Version: 1.0

Longitude location

A value defining the Longitude location in accordance with the ETRS89 coordinate reference system.

  • Attribute Name: longitude (GKPG), LONGITUDE (CSV)

  • Data Types: Doubleβ€― (GKPG), Realβ€― (CSV)

  • Precision: LONGITUDE 8

  • Scale: 7

  • Nullable:β€― false

  • Data Schema Version: 1.0

RPC

Representative Point Code. This describes the accuracy of the coordinate that has been allocated to the BLPU as indicated by Ordnance Survey.β€―

  • Attribute Name: rpc (GKPG), RPC (CSV)

  • Code List Name: RPCCode

  • Max Length: 1

  • Nullable:β€― false

  • Data Schema Version: 1.0

Local custodian ID

Unique identifier of the authority responsible for the maintenance of this record.β€―

  • Attribute Name: local_custodian_code (GKPG), LOCAL_CUSTODIAN_CODE (CSV)

  • Data Types: Integerβ€― (GKPG), Integer (CSV)

  • Max Length: 4

  • Nullable:β€― false

  • Data Schema Version: 1.0

Start date

The date on which the record was inserted into the database.β€―

  • Attribute Name: start_date (GKPG), START_DATEβ€― (CSV)

  • Data Types: Dateβ€― (GKPG), Date (CSV)

  • Nullable:β€― false

  • Data Schema Version: 1.0

End date

The date on which the record was closed in the database.β€―

  • Attribute Name: end_date (GKPG), END_Date (CSV)

  • Data Types: Date (GKPG), Date (CSV)

  • Nullable:β€― true

  • Data Schema Version: 1.0

Last update date

The date on which any of the attributes on this record were last changed.β€―

  • Attribute Name: last_update_date (GKPG), LAST_UPDATE_DATE (CSV)

  • Data Types: Date (GKPG), Date (CSV)

  • Nullable:β€― false

  • Data Schema Version: 1.0

Entry date

The date on which this record was inserted into the database.β€―

  • Attribute Name: entry_date (GKPG), ENTRY_DATE (CSV)

  • Data Types: Date (GKPG), Date (CSV)

  • Nullable:β€― false

  • Data Schema Version: 1.0

Multi-Occupation count

β€―A count of all of the child UPRNs for this record where a parent-child relationship exists.β€―

  • Attribute Name: multi_occ_count (GKPG), MULTI_OCC_COUNT (CSV)

  • Data Types: β€―Integer (GKPG), Integer (CSV)

  • Max Length: 4

  • Nullable:β€― false

  • Data Schema Version: 1.0

Addressbase postal

This field will be populated with β€˜N’ within the ESG, all the BasicLandPropertyUnit features are considered as 'Not a postal address'.

  • Attribute Name: addressbase_postal (GKPG), ADDRESSBASE_POSTAL (CSV)

  • Code List Name: AddressbasePostalCode

  • Max Length: 1

  • Nullable:β€― false

  • Data Schema Version: 1.0

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