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Stamp duty calculator

How does stamp duty work?

Stamp duty land tax, to give it the full name, is a tax paid to the Government when land or property is bought or transferred in the UK. In Scotland, the equivalent is called land and buildings transaction tax and in Wales, land transaction tax. Stamp duty is not due on caravans, mobile homes or houseboats.


A quick newsflash before you calculate!

The Stamp Duty Holiday has been extended to Sept 2021 for house purchases in England and Northern Ireland.

On 2 March 2021 the Chancellor announced the extension of the 'Stamp duty holiday' lasting until the end of September 2021. During this period no stamp duty will be payable for first-time buyers and those purchasing their only property up to £500,000 (reducing to £250,000 on 1 July) in England and Northern Ireland. The deal must complete before or on 30 September 2021. Our stamp duty calculator below takes into account these changes. 

Stamp Duty Calculator


This calculator has been updated to reflect the temporary new stamp duty rules for England and Northern Ireland introduced by the Chancellor on 8 July 2020. This calculator is intended to give an indication only and applies to England and Northern Ireland only. First-time buyers who are purchasing a buy-to-let property still pay stamp duty at the additional property rate and not the first-time buyer rate.

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At what price does stamp duty start?

The Government's stamp duty holiday has removed stamp duty on the first £500,000 on all properties up to until the end of June 2021 in England and Northern Ireland. Stamp duty will become payable on transactions over £250,000 from 1 July 2021 to 31 September 2021.

Prior to the stamp duty holiday, stamp duty needed to be paid on residential properties and land bought with a value in excess of £125,000. First-time buyers have a discount that means they do not pay any stamp duty on properties up to £300,000. First-time buyers that purchase a property between £300,001 and £500,000 paid 5%.

During the stamp duty holiday, buy-to-let properties and second homeowners pay stamp duty at a rate of 3% on values up to £500,000 (£250,000 from July). For additional homes or BTL properties in excess of the threshold the buyer will have to pay 8% stamp duty up to £925,000, 13% on £925,001 to £1.5 million and a full 15% on any additional property purchase over £1.5 million in value.

In Scotland, the 0% Land and Buildings Transaction Tax (LBTT) threshold has increased to £250,000 from £145,000 until the end of March 2021 and the Land Transaction Tax (LTT) threshold for freehold residential transactions in Wales has increased to £250,000 from £180,000, both until the end of June. After this time, they will revert to the rates as per the appropriate tables below.

How much will I save thanks to the Stamp Duty holiday?

Example saving with current Stamp Duty holiday:

You purchase a property worth £350,000 and complete before the end of June 2021.

Before the change you would pay nothing on the first £125,000, 2% on the following £125,001 to £250,000 and finally 5% stamp duty for the remainder of the value of £350,000. 

First £1250,000 = £0.00 (0% x £125,000)

£125,001 to £250,000 = £2,500  (2% of £125,000)

£250,000 to £350,000 = £5,000  (5% of £100,000)

Total stamp duty before the holiday = £0 + £2,500 + £5,000 = £7,500.00

With the current stamp duty holiday you would pay nothing for a purchase up to £500,000, saving you the significant sum of £7,500. 

How do you calculate stamp duty?

As outlined above stamp duty is no longer payable for properties up to £500,000 in England and Northern Ireland from 08 July 2020 until the end of June 2021.

Stamp duty for properties in excess of £500,000 and for the purchase of additional homes will now be charged as per the details given in the ‘At what price does stamp duty start?' section above.

Stamp duty is calculated in a similar way to income tax bands. The bands are set by the land or property’s value and the percentage of stamp duty tax increases in each band. This means that the more expensive the property you want to buy, the more you will pay. The bands for residential properties and land stamp duty are:

England and Northern Ireland stamp duty bandings for residential property and land until the end of June 2021

Property value

Stamp duty rate

Up to the first £500,000


£500,001 to £925,000


£925,001 to £1.5 million


Above £1.5 million



England and Northern Ireland stamp duty bandings for additional homes and buy-to-let properties until the end of June 2021

Property value

Stamp duty rate

Up to the first £500,000


£500,001 to £925,000


£925,001 to £1.5 million


Above £1.5 million



England and Northern Ireland stamp duty bandings for residential property and land after 31 September 2021

Property value

Stamp duty rate

Up to the first £125,000


£125,001 to £250,000


£250,001 to £925,000


£925,001 to £1.5 million


Above £1.5 million


Some examples of how to calculate stamp duty

These examples are for stamp duty rates without the current exemption.

You purchase a property at £250,000.

You are allowed £125,000 with no stamp duty tax to pay.

You then calculate 2% of £125,000

Stamp duty to pay is £2,500

You purchase a house at £300,000.

You are allowed £125,000 with no stamp duty tax to pay.

You then calculate 2% of £125,000 . This is £2,500.

You then need to calculate 5% of £50,000. This is £2,500.

Finally total the two values from the stamp duty bands: 2,500 + £2,500 = £5,000

The amount of stamp duty to pay is £5,000.

What is the difference between stamp duty and stamp duty land tax?

Stamp duty land tax (SDLT) is the full name for stamp duty and indicates that this tax is payable on the purchase of property and land in the UK.

Stamp duty FAQs

Is stamp duty rounded up or down?

When calculating stamp duty, this is rounded down to the nearest full pound.

How quickly do you have to pay stamp duty?

Stamp duty needs to be paid within 14 days of the effective transaction date. Often this is the completion date, but it may also be the earliest date the new owner can take passion of the property or where a substantial completion (at least 90% of the money owed is paid for the property).

Can stamp duty be added to a mortgage?

A mortgage is the money lent to you by a mortgage lender to purchase the land or property. Stamp duty is a tax payable to HMRC. You can choose to add the cost of your stamp duty to your mortgage; however, this is at the lender’s discretion and it will incur interest costs over the life of the mortgage.

Are there reasons not to pay stamp duty?

All land and property under £125,000 (£40,000 for a second home or buy-to-let property) is exempt from stamp duty, however with average house prices well in excess of this figure, most house buyers will not find this possible. Scenarios where stamp duty does not apply include if a property is being transferred due to divorce or separation or as part of your will.

When might you have to pay a higher rate of stamp duty?

If you purchase a new property and then have a delay in selling your existing home, you will be classed as a second-home owner and will need to pay the higher rate of stamp duty of an additional 3% on each stamp duty band. If you sell or transfer your previous home within three years, then you may be able to claim a refund of the higher rate stamp duty.

Can stamp duty be refunded?

You can get a refund of stamp duty at the higher rate if you sell or transfer your former main residence within three years of purchasing your new home. You will need to claim the refund within three months of selling your former main home or within 12 months of filing your stamp duty tax return, whichever date is latest applies.

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