UK Stamp Duty Calculator — Know Your Property Tax Before Buying
Calculate Stamp Duty Land Tax on property purchases in England and Northern Ireland. See rates for first-time buyers existing homeowners and additional properties.
Stamp Duty Land Tax is a significant additional cost when buying property in England and Northern Ireland. First-time buyers get relief on properties up to £625000 paying zero SDLT on the first £425000. Existing homeowners pay standard rates starting at 5% on amounts above £250000. Understanding SDLT helps you budget accurately for your property purchase.
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Key Information
| Parameter | Details |
|---|---|
| First-Time Buyer (up to £425K) | 0% SDLT |
| Standard Rate (£250K-£925K) | 5% |
| Higher Rate (£925K-£1.5M) | 10% |
| Additional Property Surcharge | +3% on all bands |
Calculate UK stamp duty
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Use Calculator NowFrequently Asked Questions
How much stamp duty on a £300000 house UK?
For a first-time buyer purchasing at £300000 the stamp duty is £0 as first-time buyers pay no SDLT on properties up to £425000. For existing homeowners the SDLT on £300000 is £2500 calculated as 0% on the first £250000 and 5% on the remaining £50000. For additional properties add 3% surcharge on the full amount.
Do first-time buyers pay stamp duty UK?
First-time buyers in England pay no stamp duty on properties up to £425000. On properties between £425001 and £625000 they pay 5% only on the portion above £425000. Properties above £625000 do not qualify for first-time buyer relief and standard rates apply. This relief saves first-time buyers up to £8750 compared to standard rates.
What is the 3% stamp duty surcharge?
If you are buying an additional property such as a buy-to-let or second home you pay a 3% surcharge on top of standard SDLT rates on the entire purchase price. On a £300000 property this adds £9000 to your stamp duty bill. The surcharge applies even if your first property is overseas.
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Last updated: 24 March 2026