Stamp Duty Calculator UK 2025

On a £300,000 additional property in England (2025): £250,000 × 5% (0% standard + 5% surcharge) = £12,500, plus £50,000 × 10% (5% + 5% surcharge) = £5,000. Total: £17,500. The effective rate is 5.8%. Use the calculator above to check any price.

England SDLT 2025: 0% on first £250,000; 5% on £250,001–£925,000; 10% on £925,001–£1.5M; 12% above £1.5M. Additional property surcharge: +5% on all bands. First-time buyer relief: 0% up to £425,000, 5% from £425,001–£625,000 (no relief above £625,000).

Scotland uses Land and Buildings Transaction Tax (LBTT). Rates: 0% up to £145,000; 2% to £250,000; 5% to £325,000; 10% to £750,000; 12% above. Additional dwellings attract a 6% Additional Dwelling Supplement (ADS) on the full purchase price, added to the banded LBTT.

Wales uses Land Transaction Tax (LTT). Rates: 0% up to £225,000; 6% to £400,000; 7.5% to £750,000; 10% to £1.5M; 12% above. Additional residential properties attract a 4% surcharge on the full price. The main residence nil-rate threshold is higher than England's.

Yes — and an additional 5% surcharge applies if you already own a residential property. This surcharge applies whether you buy personally or through a limited company. If you're replacing a main residence that was sold, the 5% surcharge may be refunded (within 36 months of purchasing the new home). Always check with a solicitor.