Technical Booklet D Structure·Page 11·1.2
Definitions - Small single storey building
A small single storey building is a non-dwelling building with dimensions not greater than those specified in paragraph 4C.40.
Small single storey building – a building that is not a dwelling having dimensions not greater than those given in paragraph 4C.40.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet D - Structure.pdf