New South Wales Consolidated RegulationsA person may, with the consent of the Council, erect a dwelling-house on vacant land within Zone No 1 (a) and Zone No 7 (c) only if the land comprises:
(a) an existing holding, or
(b) an allotment created in accordance with this plan that the Council is satisfied will be used for a purpose other than agriculture, or
(c) an allotment created in accordance with a consent granted before the appointed day, being an allotment on which a dwelling could have been erected immediately before the appointed day, or
(d) an allotment having an area of not less than 40 hectares.