Serge have there been changes to the rules?
Are you able to do a complying development granny flat build on < 450sqm land?
http://www.planning.nsw.gov.au/NewsCentre/LatestNews/TabId/775/ArtMID/1658/ArticleID/145/Changes-to-the-policy-regarding-Affordable-Rental-Housing.aspx
Do you have...