Under the federal government's Home Buyer's Plan, first-time home buyers are eligible to use up to $25,000 in RRSP savings per person ($50,000 for couples) for a down payment on a home. The withdrawal is not taxable as long as you repay it within a 15-year period. To qualify, the RRSP funds you plan to use must have been in your RRSP for at least 90 days.
Even if you already have enough money for your down payment, it may make sense to access your RRSP savings through the Home Buyers' Plan.
For example, if you have already saved $25,000 for a down payment-and assuming you still had enough "contribution room" in your RRSP for a contribution of that amount, you could move your savings into an RRSP at least 90 days before your closing date. Then, simply withdraw the money through the Home Buyers' Plan.
The advantage is that your $25,000 RRSP contribution will count as a tax deduction this year. Use any tax refund you receive to repay the RRSP or other expenses related to buying your home.
However, the money you borrow from your RRSP won't earn the tax-sheltered returns it would if left in your account.
For more information: http://www.cra-arc.gc.ca/tx/ndvdls/tpcs/rrsp-reer/hbp-rap/menu-eng.html