HomeBuyingCosts Guide

How to Claim a Stamp Duty Refund (2026/27)

Updated: 2026-08-01 · 6 min read · Written and reviewed by James Whitfield · Editorial standards · Methodology

Thousands of buyers overpay stamp duty and never claim it back. This guide covers the situations where a refund is due, the strict deadlines, and exactly how to reclaim from HMRC, Revenue Scotland or the Welsh Revenue Authority.

Contents
  1. 1. The most common refund: the higher-rate surcharge
  2. 2. How long you have to claim, and how to do it
  3. 3. Other situations where you may have overpaid
  4. 4. Scotland and Wales work differently
  5. 5. Decision framework used by careful buyers
  6. 6. Practical checklist before making an offer

Quick answer

The most common stamp duty refund is the higher-rate surcharge (5% in England and Northern Ireland) you pay when buying a new home before selling your old one. If you sell your previous main residence within three years, you can reclaim the surcharge from HMRC. You must claim within 12 months of selling the old home, or within 12 months of the SDLT return filing date, whichever is later. You may also be owed a refund if first-time buyer relief was missed or the wrong band was applied. Scotland (LBTT) and Wales (LTT) have their own equivalent refunds with different rates and windows.

In brief

  • Treat all-in completion cash as the core decision metric, not tax in isolation.
  • Buyer type and nation can shift costs materially at the same property price.
  • Run at least three scenarios before setting your offer ceiling.
  • Confirm final treatment with official sources and your conveyancer.

A stamp duty refund is money HMRC (or Revenue Scotland or the Welsh Revenue Authority) returns to you when you have paid more property tax than you actually owed. The single most common reason is the higher-rate surcharge that applies when you buy a new home before you have sold your old one. Far fewer people reclaim this than are entitled to, usually because they do not realise the refund exists or they miss the deadline.

This guide focuses on the refunds that genuinely apply to ordinary home buyers, sets out the exact deadlines, and flags the claims that sound tempting but that HMRC routinely rejects. Property tax is devolved, so the rules and rates differ between England and Northern Ireland (SDLT), Scotland (LBTT) and Wales (LTT).

Worked examples — home mover typical fees

Price England/NI tax Scotland tax Wales tax
£300,000 £5,000 £4,600 £4,500
£500,000 £15,000 £23,350 £18,000
£750,000 £27,500 £48,350 £36,750

The most common refund: the higher-rate surcharge

In England and Northern Ireland, if you buy an additional residential property you pay a higher-rate surcharge on top of standard SDLT. Since 31 October 2024 that surcharge is 5% of the whole purchase price. The rule catches many ordinary movers, not just landlords: if you complete on your new home before you have sold your current one, you technically own two properties on completion day, so the surcharge applies even though you only intend to own one home.

The good news is that this is refundable. If you sell your previous main residence within three years of buying the new one, you can reclaim the entire surcharge portion, the 5% slice, from HMRC. You keep the standard SDLT you would have paid anyway; only the extra surcharge comes back. On a £400,000 purchase the surcharge alone is £20,000, so this is rarely a trivial sum.

The three-year window is strict and there is very little flexibility. HMRC will only extend it in exceptional circumstances outside your control, such as the previous sale being blocked by rules imposed by a public authority. Ordinary market difficulty, a slow chain or a buyer pulling out does not usually qualify, so treat the three years as a hard limit and sell the old home within it if you possibly can.

How long you have to claim, and how to do it

You must claim the surcharge refund within 12 months of selling your previous main residence, or within 12 months of the filing date of the SDLT return for the new purchase, whichever comes later. Miss this and the money is usually lost, even if you were clearly entitled to it, so put a reminder in your calendar the moment your old home completes.

You claim online through the GOV.UK higher-rates refund service, or by amending the original SDLT return. You will need the details of both properties, the effective dates of purchase and sale, the amount of SDLT and surcharge paid, the SDLT unique transaction reference number, and your bank details. Your conveyancer will have most of this on file, and many will handle the claim for you for a modest fee, though the online form is straightforward enough to complete yourself.

HMRC typically processes valid surcharge refunds within about 15 to 25 working days. It pays directly into your nominated bank account. You do not need to use a claims-management company to get this refund, and doing so simply hands over a slice of money that is already yours.

Other situations where you may have overpaid

First-time buyer relief is often missed. If you and everyone buying with you had never owned a residential property anywhere in the world, you should pay nothing up to £300,000 and 5% on the slice from £300,001 to £500,000. If your conveyancer applied standard rates by mistake, you can amend the return and reclaim the difference within 12 months of the filing date.

You may also have overpaid if the wrong band or the wrong purchase price was used, or if part of the transaction should have been treated as non-residential. Genuine non-residential or mixed-use treatment, for example a property sold with a working commercial element, attracts lower non-residential rates. These reclassifications are legitimate in the right cases but are heavily scrutinised, so you need real evidence, not just an optimistic argument.

Be very careful with 'uninhabitable property' claims. Some firms encourage buyers to argue that a run-down property was not 'suitable for use as a dwelling' and so should be taxed at non-residential rates. HMRC challenges the great majority of these, and the courts have set a high bar: a tired or dated house that simply needs renovation is still a dwelling. If a claim is wrong, you have to repay the refund with interest, and possibly a penalty, so only pursue this with clear professional advice.

Scotland and Wales work differently

In Scotland the surcharge is called the Additional Dwelling Supplement (ADS) and is charged under LBTT. You can reclaim it if you sell your previous main residence within 36 months of the new purchase, and you claim through Revenue Scotland rather than HMRC. The rate and thresholds differ from England, so always check the current figures on the Revenue Scotland website before you rely on a number.

In Wales the higher rate applies under LTT, and a refund is available if you sell your former main residence within three years. Claims go to the Welsh Revenue Authority. As with Scotland, the exact rates change from time to time, so confirm the current position with the official Welsh Revenue Authority guidance.

Because the three nations run separate systems, the deadline, the rate and the claim route all depend on where the property is, not on where you live. If you have moved across a border, make sure you are following the rules for the nation where the new property sits.

Decision framework used by careful buyers

Start with an offer ceiling based on total cash, not headline house price. In practice, buyers who only track deposit and mortgage payments can miss the transaction-cost layer, which is exactly where completions become stressful.

Use a three-pass approach: first estimate tax by nation and buyer type, then add realistic fees, then pressure-test the result by increasing the offer by £10,000 and £25,000. This shows how sensitive your budget is before bidding.

Treat the model as a planning instrument. Final legal liability always sits with official calculators and your conveyancer’s completion statement, but early visibility reduces avoidable surprises.

Practical checklist before making an offer

Confirm your likely buyer status first (home mover, first-time buyer, or additional property). Switching status can alter tax materially at the same price point, so this should be fixed before negotiating.

Collect at least two conveyancing quotes and check what is included. Buyers often compare legal fees without checking disbursements, search packages, leasehold supplements or transfer fees.

Keep a contingency buffer instead of budgeting to the exact minimum. A modest reserve can protect timelines when valuation, legal or lender admin costs move late in the process.

Frequently asked questions

How long does a stamp duty refund take?+

HMRC usually processes a valid higher-rate surcharge refund within about 15 to 25 working days of receiving a complete claim, paying it directly into your bank account. Complex or queried claims can take longer. Revenue Scotland and the Welsh Revenue Authority run their own timelines.

Do I get all my stamp duty back?+

No. A surcharge refund returns only the extra higher-rate amount, 5% of the price in England and Northern Ireland. You still pay the standard SDLT that any buyer would owe on the purchase. Only the additional-property surcharge is refundable when you sell your old main home in time.

What if I sold my old home after three years?+

The surcharge refund is only available if you sell your previous main residence within three years of the new purchase (36 months in Scotland). If you sell later, the surcharge normally becomes non-refundable. HMRC only extends the window in narrow, exceptional circumstances outside your control.

Can I claim first-time buyer relief after completion?+

Yes. If you qualified as a first-time buyer but standard rates were applied by mistake, you can amend the SDLT return and reclaim the difference, provided you do so within 12 months of the filing date. You qualify only if everyone buying has never owned a residential property anywhere in the world.

Is Multiple Dwellings Relief still available?+

No. Multiple Dwellings Relief (MDR) was abolished for transactions completing on or after 1 June 2024. Be wary of any firm offering to reclaim stamp duty using MDR on a recent purchase, as the relief no longer applies.

Do I need a claims company to get a refund?+

No. The higher-rate surcharge refund and missed first-time buyer relief can be claimed directly through GOV.UK or by your own conveyancer. Claims-management firms typically take a large percentage of a refund that is already yours, and you remain legally responsible if they submit an incorrect claim.

References

See also Methodology and Editorial standards.

Written and reviewed by James Whitfield and the HomeBuyingCosts editorial team.

Stamp duty, LBTT and LTT figures are checked against GOV.UK, Revenue Scotland and GOV.WALES. We explain every cost of buying a home in plain English, with worked examples. Editorial standards · About us