Paragraph 17 Buildings ancillary to housesF1
A detached single-storey building ancillary to and within the curtilage of a house. Except–A building exceeding 8 square metres in area. A building within 1 metre of the house unless it is at least 1 metre from any boundary. A building containing sleeping accommodation. A building containing a flue, a fixed combustion appliance installation or sanitary facility. A wall or fence.