Calculators & Tools

Plan a move or test a property project using transparent estimates. All figures are in pounds sterling.

AJFP Hub · England · Reviewed 7 October 2026

AJFP calculators use only the figures you enter and run in your browser. Inputs are not submitted to AJFP, stored by these calculators or used to trigger a business workflow. They exclude tax unless you enter it as a cost. Results are estimates, not lender approval, a valuation or guaranteed returns.

Official mortgage and tax tools

MoneyHelper: mortgage repayment · MoneyHelper: mortgage affordability · HMRC: calculate SDLT

These free official tools open on the provider’s website under its own terms and privacy information. Use HMRC for your transaction’s tax calculation, including additional-property and other special rules. MoneyHelper affordability is an estimate; a lender makes its own assessment.