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UK SDLT — 2026 rates
Stamp duty calculator
Standard bands, additional-property surcharge (5% since Oct 2024), and first-time-buyer relief. Verified against HMRC guidance for 2026.
£
Additional property
Second home / BTL — adds 5% surcharge
First-time buyer
Relief up to £500k (main home only)
Total SDLT payable
£15,000
Effective rate: 6.00%
• Additional-property 5% surcharge applied on full price
Band by band
| Band | Rate | Tax |
|---|---|---|
| £0 – £125,000 | 0% | £0 |
| £125,000 – £250,000 | 2% | £2,500 |
| Additional-property surcharge | 5% | £12,500 |
For guidance only, not financial advice. Verify SDLT with HMRC before completion.