UK property · 2025/26
UK mortgages & property calculators, in plain English
Buying, renting, selling or just budgeting? Run the numbers on everything property-related.
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15 calculators- property
Stamp Duty (England & NI)
SDLT on your next home, including the additional-property surcharge.
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LBTT (Scotland)
Scottish Land and Buildings Transaction Tax, by band.
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LTT (Wales)
Welsh Land Transaction Tax for residential purchases.
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First-Time Buyer Calculator
Stamp Duty relief and zero-tax thresholds.
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Buy-to-Let Yield Calculator
Gross and net yields on rental investments.
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Mortgage Repayment Calculator
Monthly payments, interest vs capital, over the full term.
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Mortgage Overpayment Calculator
How much time and interest can you save?
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Mortgage Affordability
How much could a UK lender offer you?
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Rent vs Buy Calculator
Compare years of rent against a mortgage and house growth.
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Shared Ownership Calculator
Mortgage + rent on the share you don't own.
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Property Capital Gains Tax
CGT on a second home or sold investment property.
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Council Tax Bands Lookup
Find your band and typical bill by postcode.
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Single Person Council Tax Discount
Apply the 25% solo-occupant rebate.
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Rent a Room Scheme
How much can you earn tax-free from a lodger?
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Moving House Budget
Surveys, legal fees, removals — the full picture.
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From offer to keys
Buying a home in the UK comes with a lot of surprise numbers — Stamp Duty bands, Council Tax, mortgage stress tests, deposit multiples. Use these calculators to size each one up before you sign anything.
Most of the figures are England-specific. Scotland uses LBTT and Wales uses LTT — both have dedicated calculators in this section.