How stamp duty on £300,000 is worked out
Stamp duty is charged in slices. For a home mover in England or Northern Ireland buying at £300,000:
- £125,000 at 0% = £0
- £125,000 at 2% = £2,500
- £50,000 at 5% = £2,500
Total: £5,000, which is 1.67% of the price.
First-time buyers
First-time buyers pay nothing on the first £300,000 and 5% on the rest up to £500,000.
Second homes and buy-to-let
A 5% surcharge is added to every band in England and NI, taking the bill to £20,000. In Scotland the 8% Additional Dwelling Supplement applies to the whole price, and Wales has its own higher rates.
Use the stamp duty calculator for a non-UK resident surcharge or a different price, and the mortgage calculator to see the monthly repayments.
Frequently asked questions
How much is stamp duty on a £300,000 house?
Stamp duty on a £300,000 house in England or Northern Ireland is £5,000 for a home mover, £0 for a first-time buyer and £20,000 if it's a second home or buy-to-let (2026/27 rates).
Do first-time buyers pay stamp duty on £300,000?
First-time buyers pay nothing on the first £300,000 and 5% on the rest up to £500,000. On £300,000 that means £0.
How much is LBTT on £300,000 in Scotland?
Land and Buildings Transaction Tax on a £300,000 home in Scotland is £4,600 for a home mover and £4,000 for a first-time buyer.
Rates checked October 2026. Estimates for guidance only; your conveyancer will confirm the final amount.