SDLT is often calculated and submitted under time pressure, particularly in conveyancing transactions. As a result, the position adopted at completion may not always reflect the most accurate or fully considered analysis.

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In some cases, property transactions may have been subject to higher SDLT than necessary. If you believe this may apply to you, it may be possible to amend your return or submit a claim to HMRC.

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Refund opportunities can arise where:

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• Reliefs were not identified or applied at the time of purchase
• A transaction was treated as wholly residential when a mixed-use analysis may be appropriate
• Higher rates were applied incorrectly
• The number or nature of dwellings was not fully considered
• Subsequent review of the facts supports a different SDLT treatment

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A common example is the higher rates of SDLT (additional 5%). Where a previous main residence is sold within three years of purchasing a new one, a refund of the higher rate may be available.

If you believe SDLT has been overpaid, there are several possible routes:

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• Amending the original SDLT return (within statutory time limits)
• Submitting a repayment claim to HMRC
• In some cases, pursuing claims arising from professional negligence

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While it is possible to approach HMRC directly, professional advice can help ensure that claims are accurate, properly evidenced, and robustly presented.

While every case depends on its specific facts, certain types of transaction are more likely to give rise to refund opportunities.

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Mixed-Use Properties: Properties with both residential and commercial use are subject to lower SDLT rates. Overpayments in such cases may be eligible for amendments and claims for reduced rates.

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Transactions involving multiple properties, annexes or complex ownership arrangements may also require detailed analysis to determine the correct SDLT position.

SDLT refund claims are subject to strict time limits. In most cases, any amendment to a return must be made within 12 months of the filing date.

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Strict deadlines apply to SDLT reclaims:

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• Amendments: generally within 12 months of the filing date
• Overpayment relief claims: typically within 4 years of the transaction
• Higher rates refunds: usually within 12 months of selling the previous main residence

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Missing these deadlines can limit available options, although alternative routes (including professional negligence claims) may still be considered.

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In some circumstances, it may be possible to pursue a claim outside that period, depending on the nature of the issue and the legal basis relied upon. For that reason, potential claims should be reviewed promptly, particularly where the transaction took place some time ago.

A number of issues arise in practice where SDLT refund claims are pursued without a full understanding of the rules.

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These include:

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• Assuming a refund can be claimed at any time, without regard to statutory time limits
• Overlooking the 12-month amendment window for standard claims
• Relying on the assumption that all mixed-use or multiple dwelling scenarios automatically qualify for relief
• Submitting claims without sufficient technical analysis or supporting evidence
• Proceeding on the basis of generic or volume-driven approaches to SDLT refunds

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While the prospect of reclaiming SDLT may be appealing, caution should be exercised when dealing with firms promoting SDLT refund schemes, particularly those charging contingent fees of 15%-30% of any refund.

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HMRC has increased its scrutiny of refund claims, particularly in areas such as mixed-use and multiple dwellings. Claims that are not properly supported can lead to enquiries, delays and, in some cases, penalties.

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We take a different approach, offering fixed-fee advice prioritising transparency and fairness from the start. Our focus is on identifying claims that are technically robust and defensible.

Reclaiming SDLT can be complex and requires careful analysis of both the facts and the legislation.

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We provide end-to-end support, including:

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• Reviewing SDLT paid and identifying potential overpayments
• Calculating correct liabilities
• Preparing and submitting claims to HMRC
• Managing HMRC enquiries and correspondence

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In appropriate cases, we can also advise where SDLT savings may have been missed during the conveyancing process.

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If you believe you may have overpaid SDLT, or would like clarity on your position, we can help you assess your options and take the appropriate next steps.

SDLT refund claims often depend on a detailed understanding of both the transaction and the legislation. What may initially appear straightforward can involve a number of technical considerations, particularly where reliefs, mixed-use elements or higher rates are involved.

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A focused review can often establish quickly whether a claim is worth pursuing, and whether it can be supported on a robust basis.

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If you believe SDLT may have been overpaid, or would like a transaction reviewed, we would be happy to assist.