Versioning information

This page highlights the changes which have been introduced when releasing a new data schema version within the OS NGD Address Theme.

The 'Data schema versioning' page in the Core Principles section has more in-depth information about how data schema versioning works in the OS NGD.

March 2023 release of data schema version 2.0

The following feature types in the GB Address and Islands Address Collections are now available as data schema version 2.0:

• Built Address

• Historic Address

• Non-Addressable Object

• Pre-Build Address

New attributes have been added to these OS NGD Address feature types and improvements have been implemented regarding the consistency of address positioning, usage classifications, business names, and address lifecycle.

The following new attributes have been added:

Attribute name	Data type
Full Address	string
Lowest Floor Level	numeric
Highest Floor Level	numeric
Primary Classification Description	string
Secondary Classification Description	string
Tertiary Classification Description	string
Quaternary Classification Description	string

More information on the new attributes is available on the individual feature type pages.

Please note, when accessing any of the data schema version 2.0 feature types mentioned above, the Related Components provided with these feature types have also been updated, as documented below.

The Alternate Address Related Component also now has the following additional attributes:

Attribute name	Data type
Full Address	string
Lowest Floor Level	numeric
Highest Floor Level	numeric

The Related Entity Related Component also now has the following additional attributes:

Attribute name	Data type
Effective Start Date	date
Effective End Date	date