APR - This stands for Annual Percentage Rate. It enables you to compare the full cost of the mortgage. Rather than just being an interest rate, it includes up front and ongoing costs of taking out a mortgage. The formula for calculating APR is set by Government Regulations and therefore enables direct comparison of the cost of mortgages.

Capital and Interest Mortgage - This is when part of your monthly payment contributes to paying off the outstanding mortgage in addition to paying the interest on the mortgage. The payments are structured so that at the end of the term, your mortgage will have been completely paid off. For this reason this type of mortgage is also called a Repayment Mortgage.

Capped Rate - This is a mortgage where the lender agrees that the interest charged will never exceed a specific percentage. This deal lasts for a set period of years. After the set period, the rate usually reverts to the lenders standard variable rate. During the capped period, the interest charges can move up and down with the lenders interest rate - but cannot exceed the capped rate.

Cashback - An amount, either fixed or a percentage of a mortgage, which you can opt to receive when you complete your mortgage. The lender may well claw back this money through a higher interest rate.

CAT marks/standards - CAT stands for Fair Charges, Easy Access and decent Terms. They were created by the Government in an attempt to provide consumers with simple, clear financial products with straightforward, easy to understand terms. A CAT mortgage will have no arrangement fees, no redemption fees and will have interest calculated daily. It will also have a minimum loan of just