Calcitda

UK property tax estimate

UK Stamp Duty Calculator

Estimate Stamp Duty Land Tax for residential property in England or Northern Ireland. Scotland and Wales use different property taxes.

Estimated SDLT

Enter values to calculate Calculation basis date: 17 May 2026. England and Northern Ireland residential SDLT assumptions.

Inputs

Calculation basis
  • Residential SDLT is charged by bands on slices of the purchase price.
  • Additional property and non-resident assumptions are simplified planning inputs.

Calculation Basis and Official Sources

Calculation basis date: 17 May 2026. Uses GOV.UK SDLT residential property rate information for England and Northern Ireland.

Before exchanging contracts, check HMRC, your solicitor, conveyancer, lender and tax adviser.

Formula and Interpretation

Formula

Apply residential SDLT bands to the property price, then add simplified additional property and non-resident surcharges when selected.

How to read it

Use this to plan cash needed at completion. Actual SDLT depends on buyer status, property type, reliefs, linked transactions and jurisdiction.

Before You Rely on the Result

Practical examples

Estimate SDLT on a GBP 425,000 first home in England.

Switch to additional property to see the surcharge effect.

Use non-resident option only as a planning flag and confirm with a solicitor.

What this includes

  • Residential SDLT estimate
  • First-time buyer option
  • Additional property and non-resident planning options

What this does not include

  • Scotland LBTT and Wales LTT
  • Companies, mixed use, lease premiums and linked purchases
  • Special reliefs and solicitor judgement

When to check official sources

Check GOV.UK and your conveyancer before budgeting for completion or submitting a return.