How Stamp Duty Repayment Scams Are Affecting Property Buyers

Stamp Duty Land Tax (SDLT) adds a significant cost when you buy property in the UK. Many homeowners naturally want to check if they’ve overpaid. However, more and more buyers are falling victim to rogue agents who promise false stamp duty refunds. These scams often leave buyers with unexpected tax bills, penalties, and stress. After a major Court of Appeal decision, HMRC has started cracking down hard on stamp duty repayment scams. If you’re planning to buy a property, or already have, it’s important to understand the risks and get advice from trusted professionals.

The Rise of Bogus Stamp Duty Rebate Claims

Recently, there’s been a surge in tax agents advertising SDLT repayment services. These agents often target new homeowners by post, email or social media, claiming that buyers could reclaim thousands from HMRC simply because their property “needed repairs”.

They argue that properties in poor condition may be classed as “non-residential”, which have lower SDLT rates. The agents often promise to act on a “no win, no fee” basis and charge high commissions on any SDLT refunds.

Sounds tempting, right? Unfortunately, these claims are usually incorrect—and can cost you far more than you expect.

What the Court of Appeal Has Said

In July 2025, the Court of Appeal delivered a landmark judgement in the case of Mudan & Anor v HMRC, giving HMRC strong legal support. The court confirmed that if a property retains the core features of a home, it still qualifies as a residential dwelling for SDLT purposes—even if it needs repairs.

Needing rewiring, damp proofing, or a new boiler doesn’t make a house “uninhabitable”. If the property looks and functions like a home, and people have lived in it before, it still falls under residential SDLT rates.

The court clarified that “suitable for use as a dwelling” doesn’t mean it must be ready to move into straight away. Instead, the key question is whether the building still has the basic structure and purpose of a home.

Joe’s Costly Mistake

To illustrate how stamp duty repayment scams work, HMRC shared a real case:

Joe bought a house in London for £1.1 million. His solicitor calculated the SDLT at the correct residential rate: £53,750. The house needed some work—like a new boiler and rewiring—so he couldn’t move in immediately.

Soon after, Joe got a letter from an SDLT rebate agent. The agent said he could claim a refund because the house “wasn’t habitable”. They offered a refund of £9,250, minus a 30% fee, under a no-win-no-fee deal. Joe accepted, received a partial refund, and thought all was well.

But later, HMRC reviewed the claim. They ruled that the house was still residential—and Joe had to repay the full £9,250, plus interest and penalties. Worse still, the agent ignored his calls and kept their cut. Joe was now out of pocket and stressed about paying the debt.

Why Stamp Duty Repayment Scams Are Risky

Here’s why you should be very cautious of anyone offering to reclaim your SDLT:

• False Claims: Most of these agents base their claims on incorrect interpretations of the law.
• You’re Responsible: SDLT is self-assessed. Even if someone else files the claim, you are legally responsible.
• Risk of Penalties: If HMRC finds your claim is invalid, you may need to repay the money, plus interest and penalties.
• High Fees: These agents typically take 25%–40% of the refund, even if the claim fails later.
• No Support Later: Many agents stop answering when HMRC gets involved.

HMRC Is Getting Tough on Stamp Duty Refunds Scam

HMRC is now actively investigating and prosecuting tax agents who promote bogus SDLT claims. They are using both civil penalties and criminal investigations to hold these firms accountable.

The message is clear: submitting false repayment claims is tax abuse. HMRC is winning most of these cases and recovering large sums of money. Homebuyers who fall for these schemes often suffer stress, embarrassment, and financial loss.

How to Know If Your Property Qualifies

According to the court and HMRC, these key points apply:

• Repairs don’t equal non-residential: Needing work does not mean a home is uninhabitable.
• Past use matters: If the property was previously lived in, that strongly suggests it’s still a home.
• Structure counts: A house that has bedrooms, bathrooms, a kitchen, and a roof is likely to be classed as residential, even if it needs fixing.
• Moving in doesn’t matter: A delay in moving in doesn’t mean the house isn’t a home.

What Should You Do Instead?

If you think you may have overpaid Stamp Duty, don’t rush into using an agent you don’t know. Take these steps first:

• Speak to your solicitor or accountant: They can help you assess whether a refund is valid.
• Check the GOV.UK guidance: There are clear rules about SDLT refunds and residential classification.
• Submit any claims yourself: You don’t need a third party to do it for you—and this avoids unnecessary fees.
• Get professional tax advice: A qualified accountant can review your case and confirm if you’re due anything.

Red Flags to Watch Out For

Be cautious if a repayment agent:

• Sends you an unsolicited letter or email
• Claims your home is “non-residential” based on repair needs
• Promises large stamp duty refunds without knowing full details
• Uses pushy sales tactics or rushes you to sign contracts
• Demands a large percentage of your refund

These are signs that you may be walking into a tax scam.

SDLT Refunds: Your Responsibility

Remember, SDLT is a self-assessed tax. That means it is your job to make sure the return and any refund claims are accurate.

Even if someone else prepares the form, you sign it and take full responsibility for it. HMRC clearly states that ignorance doesn’t excuse errors. If you make a mistake, you risk paying twice—once for the original tax and again in penalties.

What the Ruling Means for Homebuyers

The Court of Appeal ruling confirms that:

• You can’t claim a refund just because a home needs work.
• The key question is whether the property still has the basic features of a dwelling.
• If it was used as a home before and still looks like a home, it likely counts as residential.
• Always seek advice before signing up for SDLT repayment services.

Stamp Duty Refunds Scam: Be Careful, Be Informed

There’s no shortcut when it comes to SDLT. Trying to get a refund based on weak or false grounds can lead to big problems. It’s simply not worth the risk.

The safest approach is to seek advice from regulated professionals who understand property taxes and SDLT rules.

How Apex Accountants Can Help

At Apex Accountants, we help property buyers, landlords, and investors make the right tax decisions. We don’t just process forms—we give you honest, professional advice backed by nearly 20 years of experience in UK tax.

Our team:

• Reviews your SDLT position accurately
• Flags any valid refund opportunities
• Avoids risky or invalid claims
• Provides expert support in case HMRC investigates
• Explains everything in simple, clear language

If you’ve received a suspicious letter about a refund, or you’re unsure whether your past return was correct, speak to Apex Accountants before doing anything else. We’ll help you protect your money and stay compliant—without the risk.