UK Property Purchase
Stamp Duty & Property Purchase Cost Calculator
Work out the Stamp Duty Land Tax on a purchase in England or Northern Ireland, and see the total cash you need to complete.
Property
Where you are buying, and for how much.
Buyer circumstances
These answers decide which Stamp Duty rates apply.
Mortgage & funding
How much of the price a lender will provide.
Other purchase costs
Optional. Enter only the amounts you have been quoted — CalcExpert never invents averages.
Amounts already paid
An exchange deposit is part of your buyer contribution, not an extra cost. It is deducted from the cash you still need to find at completion.
Total cash funding required
£136,250
Includes Stamp Duty of £11,250.
Stamp Duty Land Tax
£11,250
Standard residential rates
What you need to fund
- Purchase price
- £425,000
- Less mortgage funding
- £300,000
- Buyer contribution from the purchase price
- £125,000
- Stamp Duty Land Tax
- £11,250
- Other upfront purchase costs
- £0
- Other upfront costs including SDLT
- £11,250
- Total cash funding required
- £136,250
- Total acquisition cost
- £436,250
CalcExpert AI
Ready to helpAsk CalcExpert AI
Your stamp duty at completion is £11,250. Ask why, or pick a prompt below.
CalcExpert AI explains your calculation. It uses the calculator's own figures, never its own arithmetic, and it can't confirm how HMRC will treat your transaction.
Suggested prompts
This calculator provides estimates for general information only. It does not constitute financial advice, a mortgage offer or confirmation of affordability. Actual repayments and eligibility may differ depending on the lender, product, fees and personal circumstances. Consider obtaining advice from a qualified mortgage adviser.