CalcToolAll tools

Stamp duty on a £400,000 house

Buying a £400,000 home in England or Northern Ireland you'll pay £10,000 stamp duty if you're moving home, £5,000 as a first-time buyer, or £30,000 on a second home or buy-to-let.

Home mover

£10,000

First-time buyer

£5,000

Second home / BTL

£30,000

Non-UK resident

£18,000

First-time buyers pay £5,000: nothing on the first £300,000 and 5% on the rest, saving £5,000.

How it's worked out (home mover)

Stamp duty is charged in slices, like income tax: each rate only applies to the part of the price in that band.

BandRateTax
£0 to £125,0000%£0
£125,000 to £250,0002%£2,500
£250,000 to £400,0005%£7,500
Total stamp duty2.5%£10,000

Every type of buyer

BuyerStamp dutyEffective rate
Moving home£10,0002.5%
First-time buyer£5,0001.3%
Second home or buy-to-let (+5%)£30,0007.5%
Non-UK resident home mover (+2%)£18,0004.5%

Rates for England and Northern Ireland from 1 April 2025. Scotland (LBTT) and Wales (LTT) have their own taxes.

Questions

How much is stamp duty on a £400,000 house?+

£10,000 if you're moving home (or buying with no other property). That's 2.5% of the price.

Do first-time buyers pay stamp duty on £400,000?+

First-time buyers pay £5,000: nothing on the first £300,000 and 5% on the rest, saving £5,000.

What's the stamp duty on a £400,000 second home or buy-to-let?+

£30,000. Additional properties pay an extra 5% on every band, which is £20,000 more than a home mover.

When do I pay stamp duty?+

Your solicitor or conveyancer normally files the return and pays it for you. It's due within 14 days of completion.

Estimates for information only, using 2026/27 rates. Not financial or tax advice; check your own situation with HMRC or a qualified adviser.