UK Stamp Duty Calculator (SDLT) 2025

Calculate Stamp Duty Land Tax (SDLT) for residential properties in England and Northern Ireland. Includes first-time buyer relief, second home surcharge and 2025 HMRC tax bands.

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 Payable £0.00
Effective Rate 0%
Band Rate Tax (£)
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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

£300,000 Home – Standard Buyer
  • £0 on first £250,000
  • 5% on £50,000 = £2,500
  • Total SDLT £2,500
£450,000 – First-Time Buyer
  • £0 on first £425,000
  • 5% on £25,000 = £1,250
  • Total SDLT £1,250
£550,000 – Second Home
  • Basic SDLT £17,500
  • +3% surcharge £16,500
  • Total SDLT £34,000

Frequently Asked Questions

Yes, if the property costs £625,000 or less. Above that, no relief applies.

Yes — an extra 3% surcharge is added to every SDLT band, including the 0% band.

This UK Stamp Duty Calculator uses the latest HMRC SDLT rates for 2025 to 2026. You can explore more tools on our TaxCalcUK Sitemap.