AddressBase Islands January 2026 – Epoch 124
This release note provides information about the January 2026 – Epoch 124 release of the AddressBase Islands products. These products were released to customers on 08 January 2026.
Record counts
AddressBase Plus Islands
1 169 951
6 709
AddressBase Premium Islands
See rows below
See rows below
Street
49 157
211
Street Descriptor
49 157
58
BLPU
1 249 277
7 524
Classification
1 249 277
3 351
LPI
1 259 655
4334
Organisation
38 487
1 332
Delivery Point Address
985 66
1 394
Application Cross Ref.
1 314 562
3 474
Successor
0
0
Changed records
If you receive a Change-Only Update (COU) supply for your AddressBase Islands product, you will receive Insert, Update and Delete records within the supplied file. The following tables detail the count of these records.
AddressBase Plus Islands
Inserts
1 329
Updates
5 048
Deletes
332
AddressBase Premium Islands
Street
58
153
0
Street Descriptor
58
0
0
BLPU
1 598
5 755
171
Classification
1 598
1 582
171
LPI
1 702
2 461
171
Organisation
157
679
496
Delivery Point Address
949
263
182
Application Cross Ref.
1 703
1 440
331
Successor
0
0
0
It's important that COUs are processed with Deletes first, then Inserts and Updates. This is to ensure that updates are applied in the correct order. Further guidance on this can be found in 'Working with COU data' in the AddressBase Getting Started Guide.
Source data currency
The following information relates to the currency of the source data used in the creation of Epoch 124:
Pointer (Northern Ireland)
04 December 2025
DigiMap (Channel Islands)
04 December 2025
Isle of Man
04 December 2025
Royal Mail PAF
04 December 2025
Data issues
AddressBase Plus Islands issues
Details of live and resolved data issues for AddressBase Plus Islands will be communicated on the AddressBase Plus Islands Known Data Issues page. This page will provide details of their impacts and updates on the expected time frame for their resolution.
AddressBase Premium Islands issues
Details of live and resolved data issues for AddressBase Premium Islands will be communicated on the AddressBase Premium Islands Known Data Issues page. This page will provide details of their impacts and updates on the expected time frame for their resolution.
Next release
The next release of AddressBase Islands products, Epoch 125, is scheduled for 19 February 2026
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