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Release notes listed here provide information about the current release of AddressBase Core and the previous nine releases.
This release note provides information about the 04 January 2025 release of AddressBase Core.
This release note provides information about the 07 January 2025 release of AddressBase Core.
This release note provides information about the 23 December 2024 release of AddressBase Core.
This release note provides information about the 17 December 2024 release of AddressBase Core.
This release note provides information about the 10 December 2024 release of AddressBase Core.
This release note provides information about the 03 December 2024 release of AddressBase Core.
This release note provides information about the 26 November 2024 release of AddressBase Core.
This release note provides information about the 19 November 2024 release of AddressBase Core.
This release note provides information about the 12 November 2024 release of AddressBase Core.
This release note provides information about the 05 November 2024 release of AddressBase Core.
This release note provides information about the release of the AddressBase Core product on 23 December 2024.
Please note: There will be no release of AddressBase Core on 31 January 2024 due to a company-wide shutdown over the festive period. The next release of AddressBase Core will be on 07 January 2025.
AddressBase Core
34 559 204
98 188
Please note that the Full Supply record count is based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.
There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.
AddressBase Core
34 559 204
34 559 197
7
A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.
If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:
Inserts
8 535
Updates
87 373
Deletes
2 280
COU populated 5km tile count
3 960
One new issue has been identified in this release of AddressBase Core, causing an English record to be incorrectly matched to a Northern Irish POST_TOWN and POSTCODE. The UPRN = 10094417972 has been incorrectly assigned a ‘POST_TOWN’ of ‘BELFAST’ and an incorrect ‘POSTCODE’ of ‘BT12 4EA’. This address is affected in isolation, and the match will be fixed for the next AddressBase Core release.
The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:
Royal Mail Postcode Address File (PAF)
20 December 2024
National Land and Property Gazetteer
20 December 2024
One Scotland Gazetteer
09 December 2024
OS MasterMap Topography Layer
28 November 2024
This release note provides information about the release of the AddressBase Core product on 10 December 2024.
AddressBase Core
34 546 767
35 014
*. These counts are based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.
There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km-tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.
AddressBase Core
34 546 767
34 546 760
7
A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.
If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:
Inserts
8 314
Updates
24 688
Deletes
2 012
COU populated 5km tile count
3 081
The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:
Royal Mail Postcode Address File (PAF)
06 December 2024
National Land and Property Gazetteer
06 December 2024
One Scotland Gazetteer
18 November 2024
OS MasterMap Topography Layer
05 September 2024
This release note provides information about the release of the AddressBase Core product on 17 December 2024.
These counts are based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.
There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km-tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.
A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.
If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:
The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:
Royal Mail Postcode Address File (PAF)
13 December 2024
National Land and Property Gazetteer
13 December 2024
One Scotland Gazetteer
18 November 2024
OS MasterMap Topography Layer
05 September 2024
AddressBase Core
34 552 949
31 804
AddressBase Core
34 552 949
34 552 942
7
Inserts
8 609
Updates
20 768
Deletes
2 427
COU populated 5km tile count
2 816
It is important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Guidance on this can be found in the .
This release note provides information about the release of the AddressBase Core product on 19 November 2024.
AddressBase Core
34 530 184
28 008
*These counts are based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.
There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km-tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.
AddressBase Core
34 530 184
34 530 177
7
A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.
If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:
Inserts
6 365
Updates
19 317
Deletes
2 326
COU populated 5km tile count
2 760
It is important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Guidance on this can be found in the .
The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:
Royal Mail Postcode Address File (PAF)
15 November 2024
National Land and Property Gazetteer
15 November 2024
One Scotland Gazetteer
28 October 2024
OS MasterMap Topography Layer
05 September 2024
This release note provides information about the release of the AddressBase Core product on 26 November 2024.
AddressBase Core
34 536 120
36 907
*These counts are based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.
There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km-tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.
AddressBase Core
34 536 120
34 536 113
7
A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.
If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:
Inserts
8 998
Updates
24 847
Deletes
3 062
COU populated 5km tile count
3 464
It is important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Guidance on this can be found in the .
The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:
Royal Mail Postcode Address File (PAF)
22 November 2024
National Land and Property Gazetteer
22 November 2024
One Scotland Gazetteer
18 November 2024
OS MasterMap Topography Layer
05 September 2024
This release note provides information about the release of the AddressBase Core product on 12 November 2024.
AddressBase Core
34 526 145
88 612
*These counts are based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.
There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km-tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.
AddressBase Core
34 526 145
34 526 138
7
A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.
If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:
Change type
Count
Inserts
10 471
Updates
75 416
Deletes
11 074
COU populated 5km tile count
2 725
The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:
Royal Mail Postcode Address File (PAF)
08 November 2024
National Land and Property Gazetteer
08 November 2024
One Scotland Gazetteer
28 October 2024
OS MasterMap Topography Layer
05 September 2024
This release note provides information about the release of the AddressBase Core product on 07 January 2025.
AddressBase Core
34 552 949
36 971
Please note that the Full Supply record count is based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.
There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km-tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.
AddressBase Core
34 552 949
34 552 942
7
A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.
If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:
Inserts
7 413
Updates
27 367
Deletes
2 191
COU populated 5km tile count
3 219
It is important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Guidance on this can be found in the .
The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:
Royal Mail Postcode Address File (PAF)
03 January 2025
National Land and Property Gazetteer
03 January 2025
One Scotland Gazetteer
09 December 2024
OS MasterMap Topography Layer
28 November 2024
This release note provides information about the release of the AddressBase Core product on 03 December 2024.
AddressBase Core
34 540 465
32 496
[*] These counts are based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.
There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km-tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.
AddressBase Core
34 540 465
34 540 458
7
A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.
If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:
Inserts
6 774
Updates
23 293
Deletes
2 429
COU populated 5km tile count
2 918
It is important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Guidance on this can be found in the .
The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:
Royal Mail Postcode Address File (PAF)
29 November 2024
National Land and Property Gazetteer
29 November 2024
One Scotland Gazetteer
18 November 2024
OS MasterMap Topography Layer
05 September 2024
This release note provides information about the release of the AddressBase Core product on 05 November 2024.
AddressBase Core
34 518 399
54 822
*These counts are based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.
There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km-tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.
AddressBase Core
34 518 399
34 518 392
7
A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.
If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:
Inserts
6 952
Updates
36 796
Deletes
11 074
COU populated 5km tile count
4 362
It is important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Guidance on this can be found in the .
There has been one new issue identified in this release of AddressBase Core. A Scottish record has been incorrectly matched to a Royal Mail record. As a result of this, the Scottish record (UPRN = 35030393) has been incorrectly assigned a ‘POST_TOWN’ value of ‘NEWCASTLE’ and incorrect ‘POSTCODE’ of ‘BT33 0GT’. The nine other addresses on this street remain unaffected.
The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:
Royal Mail Postcode Address File (PAF)
01 November 2024
National Land and Property Gazetteer
01 November 2024
One Scotland Gazetteer
28 October 2024
OS MasterMap Topography Layer
05 September 2024
This release note provides information about the release of the AddressBase Core product on 14 January 2025.
AddressBase Core
34 568 929
63 177
These counts are based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.
There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km-tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.
AddressBase Core
34 568 929
34 568 922
7
A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.
If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:
Inserts
6 644
Updates
54 392
Deletes
2 141
COU populated 5km tile count
2 983
It is important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Guidance on this can be found in the .
The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:
Data source
Date
Royal Mail Postcode Address File (PAF)
10 January 2025
National Land and Property Gazetteer
10 January 2025
One Scotland Gazetteer
09 December 2024
OS MasterMap Topography Layer
28 November 2024
It is important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Guidance on this can be found in the .
It is important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Guidance on this can be found in the .
It is important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Guidance on this can be found in the .