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Stamp Duty calculator

Calculate how much Stamp Duty Land Tax (SDLT) you’ll pay on a buy-to-let property purchase in England or Northern Ireland.

Higher rates for additional homes

If you will own more than one home after the purchase, including a buy-to-let, you usually pay 5% on top of every band. The higher rates do not apply to a purchase under £40,000. This calculator includes them by default. GOV.UK: buying an additional residential property

Current SDLT bands (from 1 April 2025)

BandStandardAdditional
Up to £125,0000%5%
£125,001 – £250,0002%7%
£250,001 – £925,0005%10%
£925,001 – £1,500,00010%15%
Over £1,500,00012%17%

Source: GOV.UK residential SDLT rates

Free calculator

Stamp Duty calculator

Will you own more than one home after buying?

Enter a purchase price to calculate Stamp Duty

Based on SDLT rates for England and Northern Ireland from 1 April 2025, rounded down to the pound as HMRC does. Includes the 5% higher rates for additional homes. Not included: first-time buyer relief, the 2% non-UK resident surcharge, and refunds when you sell your old main home. Scotland and Wales have different taxes.

Track all your property costs

Stamp duty, mortgage, maintenance — Tendmere tracks every expense and categorises it for HMRC.

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