Stamp Duty Calculator UK — Calculate SDLT on Your Property Purchase
Free UK stamp duty calculator for England and Northern Ireland. Calculate SDLT for first-time buyers additional properties and standard purchases in 2026.
Stamp Duty Land Tax is a significant additional cost when buying property in England and Northern Ireland. The amount depends on the property price whether you are a first-time buyer and whether it is an additional property. First-time buyers enjoy generous relief paying no SDLT on properties up to £425000. Understanding these costs upfront prevents nasty surprises at completion and helps you budget accurately for your property purchase.
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Key Information
| Parameter | Details |
|---|---|
| First-Time Buyer Relief | £0 SDLT up to £425000 |
| Standard Rate Start | 5% above £250000 |
| Additional Property Surcharge | +3% on entire purchase price |
| Scotland Equivalent | Land and Buildings Transaction Tax (LBTT) |
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Use Calculator NowFrequently Asked Questions
How much stamp duty on £500000 house UK?
For a £500000 property a standard buyer pays £12500 in stamp duty (0% on first £250000 plus 5% on remaining £250000). A first-time buyer pays only £3750 (0% on first £425000 plus 5% on remaining £75000) saving £8750. For an additional property add 3% surcharge making it £27500 total for a standard buyer.
Do first-time buyers pay stamp duty?
First-time buyers in England pay no stamp duty on properties up to £425000. For properties between £425001 and £625000 you pay 5% only on the amount above £425000. Properties above £625000 do not qualify for first-time buyer relief and you pay standard rates on the entire amount. This relief saves first-time buyers up to £8750.
What is the 3% stamp duty surcharge?
If you already own a property and buy an additional one you pay a 3% surcharge on top of standard stamp duty rates. This applies to buy-to-let investments second homes and any additional residential property. On a £300000 additional property the surcharge adds £9000 making total SDLT £11500 instead of £2500.
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Last updated: 24 March 2026