UK Stamp Duty Calculator (SDLT)
Estimate the Stamp Duty Land Tax (SDLT) payable when buying a residential or additional property for the 2025/26 tax year.
Estimates only — based on UK Government 2025/26 SDLT thresholds.
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Stamp Duty Rates 2025
For more tax tools, see our VAT Calculator, Income Tax Calculator and Mortgage Calculator.
Standard Residential Property Rates
| Price Band | SDLT Rate |
|---|---|
| £0 – £250,000 | 0% |
| £250,001 – £925,000 | 5% |
| £925,001 – £1.5 million | 10% |
| Above £1.5 million | 12% |
First-Time Buyers Relief
| £0 – £425,000 | 0% for first-time buyers |
|---|---|
| £425,001 – £625,000 | 5% on amount above £425k |
Additional Property Second Homes / Buy-To-Let
| All SDLT bands | +3% surcharge |
|---|
SDLT applies to England and Northern Ireland. Scotland uses LBTT and Wales uses LTT.
How Stamp Duty SDLT Works
Stamp Duty Land Tax is paid when you purchase a residential property in England or Northern Ireland. The amount depends on the property price and whether you qualify for any reliefs or surcharges. For official guidance, visit the HMRC SDLT page.
- Standard rates apply to most home purchases.
- First-time buyers receive zero tax up to £425,000.
- Second homes and buy-to-let properties add a 3% surcharge.
- SDLT is tiered — each band is taxed separately.
- Payable within 14 days of property completion.
This calculator applies all SDLT rules automatically based on your property details.
Stamp Duty Examples
- £0 on first £250,000
- 5% on £50,000 = £2,500
- Total SDLT £2,500
- £0 on first £425,000
- 5% on £25,000 = £1,250
- Total SDLT £1,250
- Basic SDLT £17,500
- +3% surcharge £16,500
- Total SDLT £34,000
Frequently Asked Questions
This UK Stamp Duty Calculator uses the latest HMRC SDLT rates for 2025 to 2026. You can explore more tools on our TaxCalcUK Sitemap.