Boring Tools UK

Stamp Duty (SDLT) calculator

Estimate Stamp Duty Land Tax (SDLT) for residential property in England and Northern Ireland. Includes common options for first-time buyers, additional properties and the non-UK resident surcharge.

Inputs

Simplified residential SDLT for common cases (England & Northern Ireland).
Stamp Duty (SDLT)
£—
Effective rate

Tip: try £295,000 to match the GOV.UK example.

SDLT by band

Breakdown

How to use this SDLT calculator

Enter the purchase price and choose the buyer situation that best matches the property. The calculator shows the estimated SDLT bill, effective rate and a band-by-band breakdown so you can see where the number comes from.

Notes

Does this stamp duty calculator cover Scotland or Wales?

No. Scotland uses Land and Buildings Transaction Tax (LBTT), and Wales uses Land Transaction Tax (LTT). This page is for residential SDLT in England and Northern Ireland.

Can this handle every SDLT situation?

No. It covers common residential cases only. Complex purchases such as shared ownership, leases, mixed-use property, companies or trusts should be checked with HMRC or a professional adviser.

Which residential band rates does this use (standard rates)?

0% up to £125,000; 2% £125,001–£250,000; 5% £250,001–£925,000; 10% £925,001–£1.5m; 12% above £1.5m.

First-time buyer relief (simplified): 0% up to £300,000; 5% on £300,001–£500,000; only applies if the price is £500,000 or less.

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