Mortgage calculators and guides for real UK property decisions
Use clear UK mortgage tools for affordability, remortgaging, SDLT, buy-to-let, deposit planning and lender research in one place.
Start With The Decision
First Home
Plan a first-home budget
Check what you can borrow, what stamp duty you may pay, how much deposit you need and which scheme pages still matter.
Deal Review
Review a fixed deal ending soon
Track your deal end date, compare switching options and check the cost of staying put versus moving early.
Self-Employed
Prepare a self-employed application
Check document readiness, income evidence and the lender pages that publish criteria for different trading structures.
Property Investor
Model an investment-property decision
Work through yield, cash flow, SDLT, CGT and regional context before you assume a deal works.
Popular Calculators
Start with the tool that matches the question in front of you.
Affordability Calculator
Find out how much you can borrow based on your income and outgoings.
Mortgage Calculator
Calculate your monthly mortgage payments and total interest.
Stamp Duty Calculator
Work out your Stamp Duty Land Tax for any UK property purchase.
Buy to Let Calculator
Analyse rental yield, cash flow and returns on investment properties.
Remortgage Calculator
Compare your current deal with new offers and see potential savings.
Deposit Calculator
Plan your deposit savings with LISA, gifted deposits and other strategies.
Why MortgagePro.uk helps
Built to help you compare options, understand costs and prepare for the next step.
Standard formulas
Tools use standard mortgage maths so you can pressure-test a scenario before you speak to a lender or broker.
UK-specific
Tools and guides are written for UK rules, taxes, schemes and lender-facing decisions rather than generic international mortgage advice.
Kept up to date
Key pages are refreshed when official rules or benchmark rates change, so important policy-sensitive tools do not drift for months at a time.
Use the numbers to narrow the next question
These tools work best when you use them to test borrowing, payment, tax and timing scenarios before you apply. They help you compare options, spot the next check you need to make and move into the right guide or lender page with a clearer case shape.
Results remain indicative because lenders still apply their own underwriting, documentation and property rules. When a case becomes lender-specific, move from the calculator to the relevant guide, lender page or regulated adviser.
Important planning boundary
MortgagePro.uk is for research and planning, not a lender, broker or regulated advice service. If you need a recommendation tailored to your circumstances, speak to an FCA-authorised mortgage adviser.
Expert Mortgage Guides
Longer-form guides for buying, switching and structuring a mortgage decision.
Need help with your mortgage decision?
Our expert guides cover everything from first-time buying to buy-to-let investment.