When purchasing your new home, you are entitled to a 60% HST rebate on your entire project including all site work, landscaping, surveys, permits, decking, exterior lighting. It is important to retain all your receipts. There is a 2 year window in which you can collect the New Housing Rebate in Ontario.
Construction summary worksheet
GST/HST Rebate application for owner-built houses
GST/HST Rebate application for houses purchased from a builder
GST190 Calculations worksheet