AddressBase Islands March 2025 – Epoch 117

This release note provides information about the March 2025 Epoch 117 release of the AddressBase Islands products. These products were released to customers on 20 March 2025

Record counts

Product	Full Supply Record Count	Change-Only Update Record Count
AddressBase Plus Islands	1 154 935	3 461
AddressBase Premium Islands	See rows below	See rows below
Street	48 760	127
Street Descriptor	48 760	49
BLPU	1 239 229	3 933
Classification	1 239 229	2 023
LPI	1 249 018	2 597
Organisation	38 742	258
Delivery Point Address	966 474	1 129
Application Cross Ref.	1 305 033	1 692
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	1 039
Updates	2 234
Deletes	188

AddressBase Premium Islands

AddressBase Premium Islands Table	Inserts	Updates	Deletes
Street	35	90	2
Street Descriptor	35	12	2
BLPU	1 124	2 684	125
Classification	1 124	774	125
LPI	1 193	1 279	125
Organisation	58	57	143
Delivery Point Address	654	325	150
Application Cross Ref.	1 114	385	193
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 117:

Data Source	Date
Pointer (Northern Ireland)	13 February 2025
DigiMap (Channel Islands)	13 February 2025
Isle of Man	13 February 2025
Royal Mail PAF	13 February 2025

Data issues

AddressBase Plus Islands issues

There are no reported issues in this release of AddressBase Plus Islands.

AddressBase Premium Islands issues

Affected output formats: CSV and GML

• Street incorrect coordinates – There are two Streets which have incorrect start or end coordinates of 000000. The unique identifiers can be provided upon request through your OS Relationship Manager.

Next release

The next release of AddressBase Islands products, Epoch 118, is scheduled for 01 May 2025.