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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
Size: 1
Multiplicity: [1]
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)
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)
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), X_COORDINATE, Y_COORDINATE (CSV), x_coordinate, y_coordinate (GKPG)
Data Type: GM_POINT (GML), Float (CSV), Double (GPKG)
Size: X_COORDINATE (precision, scale) – (8, 2), Y_COORDINATE (precision, scale) – (9, 2)
Multiplicity: [1]
Position lat long
A value in metres defining the x and y location in accordance with the British National Grid.
Attribute Name: positionLatLong (GML), LATITUDE, LONGITUDE (CSV), latitude, longitude (GKPG)
Data Type: GM_POINT (GML), Float (CSV), Double (GPKG)
Size: latitude, longitude
Multiplicity: [1]
RPC
Representative Point Code: this describes the accuracy of the coordinate that has been allocated to the BLPU as indicated by the local authority custodian.
Attribute Name: rpc (GML), RPC (CSV), rpc (GKPG)
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 a record can be found. This is calculated by performing an intersection with OS Boundary Line. This means records such as wind and fish farms will be assigned a value of ‘J’. Please see CountryCode for more information.
Attribute Name: country (GML), COUNTRY (CSV), country (GKPG)
Size: 1
Multiplicity: [1]
Start date
The date on which the address record was inserted into the database.
Data Type: Date
Multiplicity: [1]
End date
The date on which the address record was closed in the database.
Data Type: Date
Multiplicity: [0..1]
Last update date
The date on which any of the attributes on this record were last changed.
Data Type: Date
Multiplicity: [1]
Entry date
The date on which this record was inserted into the Local Authority database.
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.
Attribute Name: addressbasePostal (GML), ADDRESSBASE_POSTAL (CSV), addressbase_postal (GKPG)
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 found within the Delivery Point Address table. 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, a nearest neighbour function is used to spatially derive the postcode based on the position of the nearest UPRN which has a valid PAF match or valid local authority postcode assigned to it. The postcode value for Street Records (Classification "PS") will always be spatially assigned. This field must be used in conjunction with the RPC field to determine the accuracy of its position.
Attribute Name: postcodeLocator (GML), POSTCODE_LOCATOR (CSV), postcode_locator (GKPG)
Data Type: CharacterString (GML), char (CSV), String (GPKG)
Size: 8
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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