Mortgage glossary

What is Stamp Duty?

Stamp Duty usually means Stamp Duty Land Tax, a property tax that may apply when buying property in England or Northern Ireland.

Also called: SDLT England & Northern Ireland UK property term
Definition

Stamp Duty Land Tax is a tax that may be payable when you buy residential property in England or Northern Ireland. The amount depends on the purchase price, buyer type and whether any reliefs or surcharges apply.

Stamp Duty in plain English

Stamp Duty is an upfront property-buying cost. It is not part of the mortgage deposit and it is not usually included in the property price. Buyers normally need to budget for it separately.

The tax is calculated in bands. That means different portions of the property price can be taxed at different rates rather than one single rate being applied to the whole purchase price.

In everyday conversation, people often use “Stamp Duty” to describe property tax across the UK. Technically, Stamp Duty Land Tax applies in England and Northern Ireland only. Wales and Scotland use different systems.

Stamp Duty, LTT and LBTT across the UK

The property tax system depends on where the property is located.

Property location Tax name Short name
England and Northern Ireland Stamp Duty Land Tax SDLT
Wales Land Transaction Tax LTT
Scotland Land and Buildings Transaction Tax LBTT

Simple rule: use the property location, not your home address, to choose the right property tax system.

How Stamp Duty is calculated

SDLT is calculated on increasing portions of the property price. For a single residential property in England or Northern Ireland, the main bands are:

Portion of purchase price Standard SDLT rate
Up to £125,000 0%
£125,001 to £250,000 2%
£250,001 to £925,000 5%
£925,001 to £1.5 million 10%
Above £1.5 million 12%
Stamp Duty is banded: 0% on the first band then 2% on the next band then 5% on the next band then higher rates on higher portions You do not usually pay one single rate on the whole price.

Stamp Duty example

If you buy a £295,000 property in England or Northern Ireland and you do not qualify for first-time buyer relief, the SDLT calculation is:

First £125,000 0% = £0
Next £125,000 2% = £2,500
Final £45,000 5% = £2,250

Total SDLT: £4,750 in this example.

Calculate property tax

Use the Stamp Duty Calculator to estimate SDLT, LTT or LBTT based on location, purchase price and buyer type.

Use stamp duty calculator →

Stamp Duty for first-time buyers

In England and Northern Ireland, eligible first-time buyers can get SDLT relief. If the property price is up to £500,000, the first-time buyer rates are:

Portion of purchase price First-time buyer SDLT rate
Up to £300,000 0%
£300,001 to £500,000 5%
Over £500,000 No first-time buyer relief; standard rates apply

Wales does not have a separate first-time buyer LTT relief. Scotland has first-time buyer LBTT relief that increases the nil-rate band to £175,000, giving a maximum tax saving of £600.

Check eligibility: first-time buyer rules depend on the buyer, the property and who else is buying with you.

Additional property surcharge

If buying a residential property means you will own more than one residential property, an additional surcharge may apply.

In England and Northern Ireland, the additional-property SDLT surcharge is usually 5% on top of the standard SDLT rates. Different higher-rate rules apply in Wales and Scotland.

  • Second homes can trigger higher rates.
  • Buy-to-let properties can trigger higher rates.
  • Replacing your main residence may be treated differently if the old home is sold within the required period.
  • Refund rules can apply in some main-residence replacement situations.

Non-UK resident surcharge

A non-UK resident surcharge may apply to residential property purchases in England and Northern Ireland.

For SDLT, GOV.UK says buyers who are not present in the UK for at least 183 days during the 12 months before purchase are treated as non-UK resident for this purpose. A 2% surcharge usually applies where the rule is triggered.

Why Stamp Duty matters

Stamp Duty matters because it can be a major upfront cost. It can affect how much cash you need to complete a purchase, even when the mortgage itself is affordable.

  • It affects upfront cash: it is separate from the mortgage deposit.
  • It can change by location: England, Wales and Scotland have different systems.
  • It can change by buyer type: first-time buyers, home movers, landlords and non-UK residents can be treated differently.
  • It can affect affordability: more tax means more cash needed before or around completion.
  • It can influence offers: buyers may adjust their property budget after calculating tax.

Common Stamp Duty mistakes

  • Forgetting that Stamp Duty is separate from the deposit.
  • Using England and Northern Ireland SDLT rates for a property in Wales or Scotland.
  • Assuming first-time buyer relief applies without checking the price limit and buyer eligibility.
  • Ignoring additional-property surcharges when buying a second home or buy-to-let.
  • Forgetting that non-UK resident surcharge rules may apply.
  • Waiting until late in the process to calculate the tax bill.

Practical step: calculate property tax before making an offer, not after your offer is accepted.