Neither of those is a grant in the strict sense, since one is a repayable withdrawal and the other is a tax-sheltered savings account, but used together they can close a meaningful part of the gap between savings and the 5 percent minimum down payment.
A new-build purchase adds the GST new housing rebate, which can reduce the tax owed on a newly constructed or substantially renovated home, an option a resale property does not have.
Joel Dyck coordinates these tools with your mortgage broker so the timing actually works for your purchase. Get your hand-reviewed valuation from Joel Dyck.