Stamp Duty (SDLT) calculator
Stamp Duty Land Tax on residential property purchases — including first-time buyer relief and the additional-property surcharge.
The calculator
What is Stamp Duty Land Tax (SDLT)?
SDLT is the tax you pay when you buy residential property or land over a certain price in England and Northern Ireland. It is charged in bands — you pay a different rate on the portion of the price that falls within each band — so the effective rate rises with the purchase price.
This calculator estimates the SDLT due, including first-time buyer relief where it applies and the additional-property surcharge for second homes and buy-to-lets. SDLT is normally due within 14 days of completion.
Frequently asked
When is SDLT due?+
You must file an SDLT return and pay any tax due within 14 days of completion. Your solicitor usually handles this, but the liability is yours.
Do first-time buyers pay SDLT?+
First-time buyers pay reduced or no SDLT up to a threshold. The calculator applies the relief when you indicate you are a first-time buyer.