The cashback deals include the 2 and 5-year mortgages at 80% loan-to-value products at 2.15%, with £500 cashback.

Cashback is now available on 22 residential mortgages.

Pablo Ivars Marchena, mortgage product manager, Principality Building Society said: “We’re delighted to be able to extend our cashback offering on our residential mortgages, which will give customers an extra cash boost when purchasing a mortgage with us and support our brokers in offering good value products to suit their clients.”

The cashback bonus ranges from £200 to £1,000 and will be paid to the solicitor on completion of the mortgage application.