AddressBase Islands Products June 2026 – Epoch 128

This release note provides information about the June 2026 Epoch 128 release of the AddressBase Islands products. These products were released to customers on 25 June 2026.

Record counts

Product	Full Supply Record Count	Change-Only Update Record Count
AddressBase Plus Islands	1 174 258	5 952
AddressBase Premium Islands	See rows below	See rows below
Street	49 286	293
Street Descriptor	49 286	42
BLPU	1 252 895	6 454
Classification	1 252 895	2 881
LPI	1 263 405	3 493
Organisation	38 074	939
Delivery Point Address	988 030	1 935
Application Cross Ref.	1 317 826	1 960
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	1 276
Updates	3 700
Deletes	976

AddressBase Premium Islands

AddressBase Premium Table	Inserts	Updates	Deletes
Street	42	251	0
Street Descriptor	42	0	0
BLPU	1 251	5 133	70
Classification	1 251	1 560	70
LPI	1 275	2 148	70
Organisation	245	538	156
Delivery Point Address	809	220	906
Application Cross Ref.	1 302	447	211
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 128:

Data Source	Date
Pointer (Northern Ireland)	20 May 2026
DigiMap (Channel Islands)	10 May 2026
Isle of Man	10 May 2026
Royal Mail PAF	10 May 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 129, is scheduled for 06 August 2026.