UK Mortgage Calculators
Use these calculators to frame the question you want to discuss with an adviser. They are designed for situation-led checks, such as first-time buyer, remortgage, self-employed, buy-to-let or credit-history questions.
Mortgage Repayment Calculator
Prepare a repayment estimate to discuss with an adviser partner.
Calculate repayments →How Much Can I Borrow?
Create a cautious borrowing range before an adviser reviews your income and commitments.
Estimate borrowing →Remortgage Calculator
Compare your current payment with an estimated new payment before a remortgage callback.
Check remortgage options →Buy-to-Let Yield Calculator
Model rental yield and cash flow before raising buy-to-let questions with an adviser.
Calculate rental yield →Mortgage Overpayment Calculator
See how overpayments could shorten your term and save interest.
Estimate overpayment savings →Self-Employed Mortgage Calculator
Borrowing estimate for sole traders, contractors and Ltd directors.
Speak to a broker →Stamp Duty Calculator
Estimate SDLT for England and NI, including first-time buyer relief and additional-property surcharge.
Calculate Stamp Duty →Mortgage calculators by city
Start with a city page for local context, then use the calculators as estimates before any adviser conversation.
Need help comparing real mortgage products?
Our calculators give estimates only. Lender-specific products, rates and eligibility come from an authorised mortgage adviser.
Request a callbackSuggested next steps
Related calculators and guides
Built around adviser introductions
Mortgages Finder focuses on matching your circumstances with a UK mortgage adviser partner. Calculator results and guides are starting points only; any product discussion depends on your full circumstances and lender criteria.