Basic Register of Addresses and Buildings (BAG)

The data in the BAG is publicly available and can be accessed via the The Land Registry’s BAG viewer.

Do you spot anything that’s not quite right?

It is important that the data in the BAG is accurate. Our emergency services, amongst others, rely on this data. If you wish to report an error, you can do so via the using the notification form Please let us know. When doing so, please specify which details are incorrect or missing. There is space for you to provide further explanation.

Examples of errors include incorrect combinations of postcode, house number and street name, or an incorrect floor area or year of construction.

Submitting a report to the BAG is free of charge.