Return to the Mortgage Glossary Home to view explanations for all mortgage terms. What follows is the definition for the term Form 53 as it relates to mortgages in the UK. Form 53 Form 53 is the end result of a mortgage. It is the form on which a mortgagee acknowledges that the mortgage has been paid off and that the property wholly belongs to you.   Previous 10 terms < Foreign Currency Mortgage < Flying Freehold < Flexible Mortgage < Fixed Rate Mortgages < First Time Buyer < Existing Liabilities < Exchange of Contracts < Essential Repairs < Equity < Endowment Mortgages Next 10 terms Freehold  > Further Advance  > Ground Rent  > Guarantor  > Higher Early Redemption Fee  > Income Multiples  > Individual voluntary arrangement (IVA)  > Interest Only Mortgages  > Joint Tenants  > Leasehold  >