The content on this page supplements that provided on the OS NGD Building Feature Type page.
Indicates if a basement is present in the building. Basement presence is recorded for addressable buildings. It may be recorded for some non-addressable buildings, but the majority of these will have their basement presence recorded as NULL.
Indicates if the basement contains a self-contained flat.
The period (that is, a range of years) in which the building was constructed. Construction period is recorded for addressable buildings. It may be recorded for some non-addressable buildings, but the majority of these will have their construction period recorded as NULL.
The year in which the building was constructed. This is recorded for buildings constructed post-1999 and where available.
The primary material from which the building is constructed. Construction material is recorded for addressable buildings. It may be recorded for some non-addressable buildings, but the majority of these will have construction material recorded as NULL.
A single descriptive value intended for a quick understanding of what the feature represents.
The maximum number of occupiable floors at or above ground level within a residential or office building. Integer output (1–99).
The provenance of the Building Age, Construction Material and Basement Presence provided by third party data providers. For example, the name of an organisation and / or the specific dataset provided by that organisation or the data process used to create the data.