Calculator · England & NI
Stamp Duty Calculator (2025/26)
Work out the stamp duty (SDLT) you'd pay today on a property purchase in England and Northern Ireland — then see how each party's plans would change it.
2025/26 rates. Today's figure uses current England & NI stamp duty rules. The party columns use each plan's stated rates. Scotland and Wales set their own equivalents. Not financial advice.
Your purchase
Buyer typeFirst-time-buyer relief and the 5% additional-property surcharge are applied where relevant.
How stamp duty works in 2025/26
Stamp Duty Land Tax is charged in slices: nothing up to £125,000, 2% to £250,000, 5% to £925,000, 10% to £1.5m and 12% above. First-time buyers pay nothing up to £300,000; buyers of additional properties pay a 5% surcharge on top.
What each party would change
- Conservatives — abolish stamp duty on main homes entirely.
- Reform UK — 0% below £750,000, 2% to £1.5m, 4% above.
- Proportional Property Tax — scrap it entirely and replace council tax and stamp duty with an annual 0.48% charge.