The Local Property Identifier (LPI) dataset is addresses sourced from local authorities. It contains more addresses than the Delivery Point Address dataset by containing addresses that receive post and ones that do not e.g. infrastructure and footpaths.

Key

Description

Format

Size

Multiplicity

UPRN

Foreign key used to reference the delivery point address to the corresponding BLPU.

integer

12

1

ADDRESS

Concatenated Address field.

char

504

1

LANGUAGE

A code identifying the language in use for the record.

char

2

1

USRN

Foreign key linking the Street record to the LPI record.

integer

8

1

LPI_KEY

Unique key for the LPI.

char

14

1

LEVEL

Memorandum of the vertical position of the address.

char

30

0..1

ORGANISATION

Name of current occupier on the fascia of the BLPU.

char

100

1

SAO_START_NUMBER

The number of the secondary addressable object (SAO) or the start of the number range.

integer

4

0..1

SAO_START_SUFFIX

The suffix to the sao_start_number.

char

2

0..1

SAO_END_NUMBER

The end of the number range for the SAO.

integer

4

0..1

SAO_END_SUFFIX

The suffix to the sao_end_number.

char

2

0..1

SAO_TEXT

Contains the building name or description for the SAO.

char

90

0..1

PAO_START_NUMBER

The number of the primary addressable object (PAO) or the start of the number range.

integer

4

0..1

PAO_START_SUFFIX

The suffix to the pao_start_number.

char

2

0..1

PAO_END_NUMBER

The end of the number range for the PAO.

integer

4

0..1

PAO_END_SUFFIX

The suffix to the pao_end_number.

char

2

0..1

PAO_TEXT

Contains the building name or description for the PAO.

char

90

0..1

STREET_DESCRIPTION

Name, description or street number.

char

100

0..1

LOCALITY_NAME

A LOCALITY defines an area or geographical identifier within a town, village or hamlet.

char

35

0..1

TOWN_NAME

Town name.

char

30

0..1

ADMINISTRATIVE_AREA

Local Highway Authority name.

char

30

0..1

AREA_NAME

Third level of geographic area name, for example, to record island names or property groups such as crofts.

char

35

0..1

POSTCODE_LOCATOR

Postcode of the coordinate for the BLPU based purely on a spatial match against Code-Point® with polygons. This field must be used in conjunction with the RPC field to determine the accuracy of its position.

char

8

1

RPC

Representative Point Code: this describes the accuracy of the coordinate that has been allocated to the BLPU. See code list: RPC_CODE in AddressBase Premium Technical Specification.

char

1

1

X_COORDINATE

Easting coordinates in metres, defining the location in the British National Grid spatial reference system.

float

6 (2)

1

Y_COORDINATE

Northing coordinates in metres, defining the location in the British National Grid spatial reference system.

float

7 (2)

1

LNG

Longitude coordinate, defined based on the requested projection.

float

9

0..1

LAT

Latitude coordinate, defined based on the request projection.

float

9

0..1

STATUS

The status of the feature (i.e. APPROVED, ALTERNATIVE, PROVISIONAL, HISTORICAL). The AddressBase Premium product uses codes of 1,3,6,8 for these however the Address API will provide the text interpretation above.

char

11

1

MATCH (Conditional) - Only returned for find and match resources

The match score for the query against the returned address from 0 to 1. Resources other than Find and Match will return a fixed value of 1.0.

float

1 (1)

0..1

MATCH_DESCRIPTION (Conditional) - Only returned for find and match resources

The description of the match. Exact: 1.0 (note: extra information in the input address that doesn’t match the ABPREM version is ignored). Good: 0.8 – 0.9 (most of the address matches, but a part of it may be different, such as a different postcode). Partial: 0.7 (address could represent the same address but has some significant differences). No Match: <0.7. Resources other than Find and Match will return a fixed value of "Exact".

char

8

0..1

LOCAL_CUSTODIAN_CODE

Unique identifier of the Local Land and Property Gazetteer (LLPG) Custodian responsible for the maintenance of this record. See the code list here.

integer

4

1

LOCAL_CUSTODIAN_CODE_DESCRIPTION

Description of the Local Land and Property Gazetteer (LLPG) Custodian responsible for the maintenance of this record.

char

as per code definition document

1

CLASSIFICATION_CODE

A code that describes the classification of the record, for example, CE01HE is a higher education establishment. See the code list here.

char

1, 2, 4, 6

1

CLASSIFICATION_CODE_DESCRIPTION

A description that describes the classification of the record, for example, CE01HE is a higher education establishment.

char

as per code definition document

1

POSTAL_ADDRESS_CODE

A code that describes the type of postal delivery that the object is subject to.

integer

1

1

POSTAL_ADDRESS_CODE_DESCRIPTION

A description that describes the type of postal delivery that the object is subject to.

char

100

1

STREET_STATE_CODE

A code identifying the current state of the Street.

integer

1

0..1

STREET_STATE_CODE_DESCRIPTION

A description identifying the current state of the Street.

char

100

0..1

STREET_CLASSIFICATION_CODE

A code for the primary street classification.

char

2

0..1

STREET_CLASSIFICATION_CODE_DESCRIPTION

A description for the primary street classification.

char

as per code definition document

1

LOGICAL_STATUS_CODE

A code for the logical status of the BLPU. See list here.

integer

1

1

BLPU_STATE_CODE

A code for the physical nature of the property or land object. These are used to represent the physical state or the feature. See list here.

integer

1

1

BLPU_STATE_CODE_DESCRIPTION

A description for the physical nature of the property or land object. These are used to represent the physical state or the feature.

char

1

0..1

TOPOGRAPHY_LAYER_TOID

Unique key for the application cross reference record.

char

20

1

PARENT_UPRN

UPRN of the parent record.

integer

12

0..1

LAST_UPDATE_DATE

Date this record was last updated.

date

date

1

ENTRY_DATE

Date of the data entry.

date

date

1

LEGAL_NAME

Registered legal name of organisation.

char

60

0..1

BLPU_STATE_DATE

Date at which the BLPU achieved its current state in the real-world.

date

date

0..1

LPI_LOGICAL_STATUS_CODE

A code for the logical status of this record.

integer

1

1

LPI_LOGICAL_STATUS_CODE_DESCRIPTION

A description of the Logical Status reflects where the LPI has reached in its life cycle. Logical status is important in identification of the addresses’ requirements, for example, whether it is an alternative address or an historic address.

char

as per code definition document

0..1