Hi, I'm new to this but need advice. My parents have given me and my brother a substantial cash gift.The gift letter for mortgage should be completed and provided to the conveyancing solicitor along with the gifter's proof of ID, address and proof of funds. Are you a first home buyer using a gifted deposit? Generate a letter for a deposit coming from a family gift. This would be used with proof that the deposit exists (eg a bank statement). If part of your mortgage deposit is a gift, the lender may ask for a mortgage gift letter confirming the funds are not a loan. Downloadable template. Find out everything you need to know about gifted deposits with Halifax. From knowing who can gift them, to rules and important tax issues to be aware of.