Stamp Duty · 2026
Stamp duty on a £300,000 house
How much is stamp duty on a £300,000 house?
Stamp duty on a £300,000 property in England or Northern Ireland is £5,000 when moving home — an effective rate of 1.67%. First-time buyers pay £0, and buyers of an additional property pay £20,000 with the 5% surcharge.
Verified 12 August 2026
How it's worked out
| £0 to £125,000 at 0% | £0 |
|---|---|
| £125,000 to £250,000 at 2% | £2,500 |
| £250,000 to £925,000 at 5% | £2,500 |
| Total | £5,000 |
Stamp duty is charged in slices, like income tax — you only pay each rate on the portion of the price inside that band, not on the whole purchase.
Common questions
How much is stamp duty on a £300,000 house?
£5,000 if you're replacing your main home — an effective rate of 1.67%. First-time buyers pay £0, and buyers of an additional property pay £20,000 because of the 5% surcharge.
Do first-time buyers pay stamp duty on £300,000?
No. At £300,000 first-time buyer relief covers the whole purchase, so there's nothing to pay.
What is the stamp duty on a £300,000 buy-to-let?
£20,000. Additional properties carry a 5% surcharge on every band on top of the standard rates.