addressbasepostalvalue

This code list is used in association with the Postcode Source attribute which is present within multiple feature types in the OS NGD Address Theme. The code list describes the origins of the different sources of a postcode, for example, Local Authority or Royal Mail.

v2.0

V2.0 of the code list was released on 30 September 2025.

What's new?

Four values have been updated for v2.0:

• A record which has a classification indicating that it is capable of receiving mail but is not linked to a Royal Mail address – previously, 'A record which is identified as postal based on Local Authority information'.

• A record which is linked to a Royal Mail address – previously, 'A record which is linked to PAF'.

• A record which has a classification indicating that it is capable of receiving mail and has a parent record which is linked to a Royal Mail address – previously, 'A record which is postal and has a parent record which is linked to PAF'.

• A record which has a classification indicating that it is not capable of receiving mail and is not linked to a Royal Mail address – previously, 'Not Postal Address'.

Label	Definition
A record which is linked to a Royal Mail address	The Postcode is derived from a direct match to a Royal Mail Postcode Address File (PAF) address and can receive mail.
A record which has a classification indicating that it is capable of receiving mail and has a parent record which is linked to a Royal Mail address	The Postcode is derived from a parent record which is directly linked to a Royal Mail Postcode Address File (PAF) address. The address classification indicates that it can receive mail or other services.
A record which has a classification indicating that it is capable of receiving mail but is not linked to a Royal Mail address	The Postcode is derived geographically by Local Authorities or GeoPlace. The address classification indicates that it can receive mail or other services.
A record which has a classification indicating that it is not capable of receiving mail and is not linked to a Royal Mail address	The Postcode is derived geographically by Local Authorities or GeoPlace. The address classification indicates that it cannot receive mail or other services.

v1.0

V1.0 of the code list was released on 02 November 2022.

Label	Definition
A record which is linked to PAF	Addressable Object has a corresponding Royal Mail Postal Address.
A record which is postal and has a parent record which is linked to PAF	Both the Addressable Object and its Parent have a corresponding Royal Mail Postal Address.
A record which is identified as postal based on Local Authority information	Addressable Object has been identified as one which is expected to have a Postal Address based on Local Authority information.
Not Postal Address	Addressable Object does not have a Postal Address.