Gross development area
For the purposes of the Home Quality Mark (HQM), Gross Development Area (GDA) refers to the area of land:
- On which the new homes, associated buildings and hard landscaping (such as roads, paths) will stand, and
- Any surrounding land that will be owned by, or accessible to the owner(s) or occupant(s), of the finished home(s) (either collectively or solely).
Ref Home Quality Mark One, Technical Manual SD239, England, Scotland & Wales, published by BRE in 2018.
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