Stamp duty across the UK: SDLT, LBTT and LTT
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Buying a home in the UK does not always mean paying the same property tax. England and Northern Ireland use Stamp Duty Land Tax (SDLT), Scotland uses Land and Buildings Transaction Tax (LBTT), and Wales uses Land Transaction Tax (LTT). The tax depends primarily on where the property sits, not where you currently live or where your lender is based.
This guide explains the structure of each tax without treating any single calculator result as a conveyancing quote. Rates, bands and reliefs can change. Check the official rate table for the completion date before agreeing a budget; an estimate prepared at offer stage may need updating before exchange.
Start with the property location
An English or Northern Irish purchase follows SDLT rules administered by HM Revenue and Customs. A Scottish purchase follows Revenue Scotland’s LBTT rules. A Welsh purchase follows the Welsh Revenue Authority’s LTT rules. These are separate regimes, not three names for one UK-wide levy. The applicable authority and filing process therefore change at the border even if the purchase price stays identical.
Ask your solicitor which tax applies before using an estimate. Cross-border buyers sometimes assume that the rules attached to their existing home follow them to the new one. They do not: the location of the property being acquired determines the regime. Mixed-use and non-residential transactions may follow different bands and definitions from an ordinary residential purchase.
How bands and supplements work
For an ordinary residential purchase, each regime applies rates to slices of the chargeable consideration. Crossing a threshold generally does not make the entire purchase price taxable at the higher marginal rate. The taxable consideration is usually the price paid, although other arrangements can affect it. A first-time buyer relief, where available, may change the result; it is not a universal exemption across the UK.
Buying an additional dwelling can trigger a supplement. Scotland calls its supplement the Additional Dwelling Supplement; England and Northern Ireland have higher SDLT rates for additional properties; Wales has higher residential LTT rates. Rules about replacing a main residence, joint purchasers and refunds differ. Do not apply the ordinary single-home estimate to a second home without checking the relevant conditions.
Timing and budgeting
A cash budget should set aside the property tax separately from the deposit. Mortgage deposits do not automatically cover taxes, conveyancing fees, survey costs or moving costs. The amount may also affect how much cash remains as an emergency reserve after completion. If your transaction includes a company purchaser, lease, shared ownership or several dwellings, ask a qualified conveyancer to check the treatment.
Filing and payment deadlines are not interchangeable across SDLT, LBTT and LTT. Your solicitor normally handles the return, but the buyer should still confirm the deadline and funding. A tax estimate is a planning tool rather than confirmation that a relief applies. Keep evidence for any claim, especially if a main-home replacement involves selling another property later.
Using the calculator responsibly
Choose the correct nation, purchase price and buyer circumstances. Compare the ordinary-home estimate with any additional-dwelling scenario only if that scenario genuinely applies. Read the assumptions alongside the output. If a purchase changes hands on a different date or if rates are amended, rerun the calculation using current official guidance.
The property price is only one part of affordability. A lower tax bill can still accompany a less affordable mortgage, particularly if the interest rate rises after a fixed period. Pair the tax estimate with a monthly repayment estimate and a wider home-buying budget rather than using it to decide the maximum price you can offer.
Worked example: understanding marginal bands
Suppose an ordinary residential property is bought for £300,000. For illustration only, imagine a local tax schedule with zero tax on the first £200,000 and 5% on the next slice. The calculation would be £200,000 × 0% plus £100,000 × 5%, giving £5,000. It would not be £300,000 × 5%. These are deliberately hypothetical bands, not a statement of SDLT, LBTT or LTT rates.
Now change only the property location. You must replace the illustrative bands with that nation’s current official bands and check buyer-specific reliefs or supplements. That is why two identical £300,000 purchases can have different bills. Use the property tax calculator for an estimate, then ask the conveyancer to confirm the actual return.
Frequently asked questions
Is stamp duty the same everywhere in the UK?
No. SDLT applies in England and Northern Ireland, LBTT in Scotland and LTT in Wales.
Does a higher band apply to the whole price?
For ordinary residential band calculations, the rate applies to the slice within each band, subject to the relevant regime’s detailed rules.
Can I reclaim an additional-home supplement?
Sometimes, for example after replacing a main residence, but eligibility and deadlines differ. Check the relevant tax authority.
Official sources
Check the linked official guidance for the latest figures before making a decision.
Related calculators
UK Calculators is independent and not affiliated with or endorsed by HMRC or any UK government body. These examples are illustrative, not personal tax, financial or legal advice.
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