AddressBase Islands Products August 2026 – Epoch 129

This release note provides information about the August 2026 Epoch 129 release of the AddressBase Islands products. These products were released to customers on 06 August 2026.

Record counts

Product	Full Supply Record Count	Change-Only Update Record Count
AddressBase Plus Islands	1 175 565	5 206
AddressBase Premium Islands	See rows below	See rows below
Street	49 311	140
Street Descriptor	49 311	26
BLPU	1 253 843	5 368
Classification	1 253 843	2 288
LPI	1 264 430	3 273
Organisation	38 024	229
Delivery Point Address	988 875	1 253
Application Cross Ref.	1 318 703	2 257
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

Change Type	Count
Inserts	1 508
Updates	3 497
Deletes	201

AddressBase Premium Islands

AddressBase Premium Table	Inserts	Updates	Deletes
Street	25	115	0
Street Descriptor	25	1	0
BLPU	1 015	4 286	67
Classification	1 015	1 206	67
LPI	1 092	2 114	67
Organisation	60	59	110
Delivery Point Address	920	258	75
Application Cross Ref.	1 028	1 078	151
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 129:

Data Source	Date
Pointer (Northern Ireland)	30 June 2026
DigiMap (Channel Islands)	01 July 2026
Isle of Man	01 July 2026
Royal Mail PAF	02 July 2026

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 130, is scheduled for 17 September 2026.