United Kingdom · 24 tools
Property & Real Estate calculators
Borrowing power, completion cash and the monthly payment belong on one page before you make an offer.
Most used
Start here, then explore the groups below.
Work the property decision in cash order
Start with what you can borrow and the deposit band, then add tax and completion cash, then test the monthly payment. A quote that looks cheap on the rate still fails if stamp duty, legal fees or the cash-to-complete figure do not fit.
- Fix the purchase price, deposit and LTV before comparing lender rates.
- Add stamp duty (or the local transfer tax) and legal/survey costs to the cash you need on day one.
- Only then compare monthly repayments, overpayments and whether renting still wins on the same time horizon.
From offer to monthly payment
Property decisions are rarely about one number. A purchase price or headline rent figure can look attractive until you layer in the mortgage, SDLT, conveyancing, surveys, council tax, maintenance, voids, and the cash you would have tied up somewhere else.
The fastest way to use this hub is to start with the decision you are actually facing. If you are buying, compare affordability, mortgage payments, stamp duty, and closing costs. If you are investing, move from gross yield to net yield and then to landlord profit. If you are already owner-occupying, check overpayments, rent increases, or equity release separately instead of mixing them together.
These calculators are most helpful when you want to see which assumption is carrying the deal. A small change in rate, occupancy, fees, or tax treatment can flip the answer. Testing those variables early is a better filter than relying on a single headline return or lender estimate.
Use the popular tools first if you are comparing rent against ownership, budgeting for completion, or reviewing a landlord case. Then move into the grouped calculators and guides below so you can check the same decision from more than one angle.
Guides that support this category
Use these when you need more context before choosing a calculator.
Rental Yield vs Buy-to-Let Yield Calculator: Property Investment Guide
Compare rental yield calculations for standard rentals vs buy-to-let investments.
Best Property & Real Estate Calculators in the UK
Calculate rental yields, buy-to-let returns, and property investment metrics for UK properties.
Mortgage vs Rent Calculator: Should You Buy or Rent Your Home?
Use our comprehensive comparison to decide whether buying or renting makes financial sense for you.
Investment Calculator vs Compound Interest Calculator: Key Differences
Compare investment return and compound interest calculations to choose the right tool for your needs.
Buying, borrowing, and completion costs2
Use these tools to compare monthly mortgage payments with affordability, rent-versus-buy trade-offs, and the cash needed to complete.
Landlord and yield analysis3
These calculators show whether a rental works after mortgage interest, voids, management costs, and rent changes are included.
Tax, equity, and ownership strategy1
Use this group to compare SDLT, council-tax-style property costs, equity release, and the impact of holding property for longer.
More tools in this category17
Use these supporting calculators when you need a more specific comparison or a second opinion on the same decision.