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BLPU – (Type 21 Record)

A BLPU is defined as a real-world object that is an ‘area of land, property or structure of fixed location having uniform occupation, ownership or function’. It is a real-world object that is of interest and within scope of the CLASS_SCHEME.

Feature type attributes

The following page provides details about the attributes included with this feature, their data types in the different output formats, and other important metadata about them.

fid

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

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

  • Data Type: Integer

  • Multiplicity: [1]

Record identifier

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

  • Attribute Name: Not provided (GML), RECORD_IDENTIFIER (CSV), Not provided (GKPG)

  • Data Type: Integer (CSV)

  • Size: 2

  • Multiplicity: [1]

Change type

Type of record change – please see COU supply for more information.

Pro order

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

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

  • Data Type: Integer

  • Size: 16

  • Multiplicity: [1]

UPRN

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

  • Attribute Name: uprn (GML), UPRN (CSV), uprn (GKPG)

  • Data Type: Integer

  • Size: 12

  • Multiplicity: [1]

Logical status

Logical status of this address record as given by the local custodian. This attribute shows whether the address is currently live, provisional or historic.

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

  • Code List Name: LogicalStatusCode

  • Size: 1

  • Multiplicity: [1]

BLPU state

A code identifying the current state of the BLPU.

  • Attribute Name: blpuState (GML), BLPU_STATE (CSV), blpu_state (GKPG)

  • Code List Name: BlpuStateCode

  • Size: 1

  • Multiplicity: [0..1]

BLPU state date

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

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

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

  • Data Type: Date

  • Size: 1

  • Multiplicity: [0..1]

Parent UPRN

UPRN of the parent Record if a parent child relationship exists.

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

  • Data Type: Integer

  • Size: 12

  • Multiplicity: [0..1]

Position

A value in metres defining the x and y location in accordance with the British National Grid.

  • Attribute Name: position (GML) <<VOIDABLE>>, X_COORDINATE, Y_COORDINATE (CSV), x_coordinate, y_coordinate (GKPG)

  • Condition: Must be populated if COUNTRY = ‘M’

  • Data Type: GM_POINT (GML), Float (CSV), Double (GPKG)

  • Size: X_COORDINATE (precision, scale) – (8, 2), Y_COORDINATE (precision, scale) – (9, 2)

  • Multiplicity: [1] (GML), [0..1] (CSV), [0..1] (GPKG)

The multiplicity for GML differs because position is VOIDABLE in GML, but this functionality is not possible in CSV or GPKG. Please see UML models in AddressBase Premium Islands structure.

Position lat long

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

  • Attribute Name: positionLatLong (GML), LATITUDE, LONGITUDE (CSV), latitude, longitude (GKPG)

  • Data Type: GM_POINT (GML), Float (CSV), Double (GPKG)

  • Size: LATITUDE (precision, scale) – (9, 7), LONGITUDE (precision, scale) – (8, 7)

  • Multiplicity: [1]

RPC

Representative Point Code (RPC). This code is used to reflect the positional accuracy of the address location.

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

  • Code List Name: RPCCode

  • Size: 1

  • Multiplicity: [1]

Local custodian code

Unique identifier of the Local Authority Custodian responsible for the maintenance of this record.

  • Attribute Name: localCustodianCode (GML), LOCAL_CUSTODIAN_C ODE (CSV), local_custodian_code (GKPG)

  • Data Type: Integer

  • Size: 4

  • Multiplicity: [1]

Country

The country in which an address record can be found within, determined by the data supply.

  • Attribute Name: country (GML), COUNTRY (CSV), country (GKPG)

  • Code List Name: CountryCode

  • Size: 1

  • Multiplicity: [1]

Start date

The date on which the address record was inserted into the database.

  • Attribute Name: Provided in FeatureWithLifeCycle (GML), START_DATE (CSV), start_date (GKPG)

  • Data Type: Date

  • Multiplicity: [1]

End date

The date on which the address record was closed in the database.

  • Attribute Name: Provided in FeatureWithLifeCycle (GML), END_DATE (CSV), end_date (GKPG)

  • Data Type: Date

  • Multiplicity: [0..1]

Last update date

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

  • Attribute Name: Provided in FeatureWithLifeCycle (GML), LAST_UPDATE_DATE (CSV), last_update_date (GKPG)

  • Data Type: Date

  • Multiplicity: [1]

Entry date

The date on which this record was inserted into the Local Authority database.

  • Attribute Name: Provided in FeatureWithLifeCycle (GML), ENTRY_DATE (CSV), entry_date (GKPG)

  • Data Type: Date

  • Multiplicity: [1]

AddressBase postal

Identifies addresses which are believed to be capable of receiving mail as defined specifically for the AddressBase products and details their relationship with other AddressBase Postal records.

This field identifies some addresses which the AddressBase product believes to be capable of receiving mail which are not contained within the Royal Mail PAF database, such as flats behind a front door with single letter box.

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

  • Code List Name: AddressbasePostalCode

  • Size: 1

  • Multiplicity: [1]

Postcode locator

This field contains the Royal Mail Postcode Address File (PAF) postcode where the local authority address has been matched to PAF, that is, the POSTCODE field.

Where a match has not been made, the postcode information is sourced from the local authority in collaboration with Royal Mail. Where the local authority does not hold a current valid postcode Code-Point is used in the areas where this is possible, if not, spatial methods are used to allocate a Postcode value.

  • Attribute Name: postcodeLocator (GML), POSTCODE_LOCATOR (CSV), postcode_locator (GKPG)

  • Data Type: CharacterString (GML), char (CSV), String (GPKG)

  • Size: 8

  • Multiplicity: [1]

  • Source: Royal Mail, Contributing Local Authority or Ordnance Survey

Postcode locator

This is a count of all of the child UPRNs for this record where a parent-child relationship exists.

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

  • Data Type: Integer

  • Size: 4

  • Multiplicity: [1]

Multi occ count

This is a count of all of the child UPRNs for this record where a parent-child relationship exists.

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

  • Data Type: Integer

  • Size: 4

  • Multiplicity: [1]

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