addressdescriptionvalue
This page details upcoming data that will be provided for the Address Description Value Code List in the OS NGD from the end of September 2025 to give you early insight. Data schema version 2.0 for this code list is currently not available through the live access services. The information on this page is as accurate as possible, but is subject to change before launch.
This code list is used in association with the Description attribute which is present within multiple feature types in the OS NGD Address Theme. The code list describes the three high-level descriptions of an address based on an aggregated view of its postcode source.
V2.0 of the code list was released on 25 September 2025.
What's new?
Three new values have been added to this code list for v2.0:
Historic Address – The Historic Address Feature Type represents local authority addresses that are no longer in existence. This can occur as a result of demolition or the merging of two built properties to become one new single address, or the splitting of a single property into multiple flats for example.
Prebuild Address – The Pre-Build Address Feature Type represents local authority addresses that will be able to receive mail, deliveries or services, where the property is either yet to be built but has been granted planning permission, or is under construction. Pre-build addresses can take the format of a development site, a plot number, or a definitive address for property units.
Built Address – The Built Address Feature Type represents local authority addresses that are currently built and live and can typically receive mail, deliveries, or services. For example, homes, shops, schools and hospitals.
The Non-Addressable Object value has received an updated definition.
The new values have a 'new' emoji (🆕) against them.
🆕 Prebuild Address
The Pre-Build Address Feature Type represents Local Authority addresses that will be able to receive mail, deliveries or services, where the property is either yet to be built but has been granted planning permission, or is under construction. Pre-build addresses can take the format of a development site, a plot number, or a definitive address for property units.
🆕 Built Address
The Built Address Feature Type represents local authority addresses that are currently built and live and can typically receive mail, deliveries, or services. For example, homes, shops, schools and hospitals.
🆕 Historic Address
The Historic Address Feature Type represents Local Authority addresses that are no longer in existence. This can occur as a result of demolition or the merging of two built properties to become one new single address, or the splitting of a single property into multiple flats, for example.
Non Addressable Object
The Non-Addressable Object Feature Type represents Local Authority and Ordnance Survey captured features that are currently live but are objects that would not be expected to be able to receive mail or deliveries. These objects typically represent structures or sites rather than buildings that somebody could conceivably live, work or engage in leisure activities within. For example, ponds and static water sites, public parks and telephone boxes.
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