About Us

Helping UK Homeowners Reclaim Overpaid Stamp Duty

StampDutyBack connects homeowners with specialist tax advisers and solicitors, and provides free tools to identify potential SDLT overpayments.

Why StampDutyBack Exists

Stamp duty is among the most complex personal taxes in the UK system. Case law is still being decided on what counts as residential property, what counts as a self-contained dwelling, and when surcharges apply. Honest mistakes happen at completion — often through misclassified property types, overlooked reliefs, or errors made during conveyancing.

Recovering an overpayment has historically required knowing the right specialist and navigating a complex HMRC amendment process. Most homeowners simply don't know they can claim, or don't know where to start.

StampDutyBack was built to change that. We provide free calculators, guides, and tools so any homeowner can quickly understand whether they may have overpaid — and a clear, simple path to do something about it.

How StampDutyBack Works

Check Your Eligibility

Use our free Refund Estimator to get an instant estimate of whether you may have overpaid, based on your purchase price, property type, and circumstances.

Choose Your Path

Either connect with a stamp duty specialist who handles the claim on your behalf, or use our DIY Claim Pack to submit the HMRC amendment yourself for £19.99.

Reclaim What You’re Owed

HMRC typically processes SDLT refund claims within 15–20 working days, though complex cases can take longer. You have up to 4 years from the date of purchase to make a claim.

Who We Help

StampDutyBack is designed for homeowners who have purchased property in England or Northern Ireland within the last 4 years — the window in which you can make an overpayment relief claim, up to 4 years from the effective date of the transaction (Sch 10 FA 2003). Common situations we help with include:

Second home buyers — Who paid the higher-rates surcharge — 3% for completions before 31 October 2024, 5% after — and may qualify for a refund if the property’s status, classification, or your circumstances mean the surcharge wasn’t properly due.

New build purchasers — Where carpets, curtains or fixtures were included in the purchase price and not separated out for SDLT purposes.

Buy-to-let investors — Particularly where multiple dwellings were purchased in a single transaction.

Buyers of uninhabitable property — Where the property lacked a working kitchen or bathroom at the point of completion.

Mixed-use property buyers — Where a property with commercial elements was taxed at residential rates.

How We Connect You With Help

We work with specialist partners — experienced tax advisers and solicitors who focus on SDLT reclaims. When you submit your details through our Get Help form, we review your case first. If it looks like a strong candidate for a claim, we introduce you to the most appropriate specialist on our panel — matched to the type of claim, complexity, and your location. The specialist then contacts you directly to take things forward.

There is no upfront cost for the Get Help service. Specialists typically work on a contingency basis, taking a percentage of any successful refund only. You pay nothing if no refund is recovered.

For most buyers, we recommend a no-win-no-fee specialist partner — they handle the claim end-to-end and only charge if it succeeds. The DIY Claim Pack is an alternative for buyers who specifically prefer to handle their own claim, with templates and guidance for £19.99 regardless of refund size.

Important Information

StampDutyBack is an online information and referral platform. We are not a law firm, tax adviser, or regulated financial services provider. The tools and calculators on this site are provided for informational purposes only and do not constitute tax or legal advice. Eligibility for a stamp duty refund depends on the specific facts of each transaction. We recommend seeking advice from a qualified specialist before submitting any claim to HMRC. Stamp duty rules apply to England and Northern Ireland only; different rules apply in Scotland (LBTT) and Wales (LTT).

Think You've Overpaid?

Get a free estimate in 60 seconds, then choose how to proceed.

Get Help from a Specialist DIY Claim Pack — £19.99

Last reviewed: 24 May 2026. Sources cited inline.