SDLT Refund and Overpayment Review

SDLT Refund & Overpayment Review

You may have paid Stamp Duty Land Tax (SDLT) correctly based on the information available at completion but was the correct amount of tax actually paid?

Errors in property classification, omitted tax reliefs, misapplied surcharges, or post-completion changes in circumstances often lead buyers to pay more tax than required. HeirPlan reviews property transactions, identifies potential overpayments, and explains whether there is a valid route to reclaim excess SDLT from HM Revenue & Customs (HMRC).

Important: An SDLT review does not automatically mean a refund is available. Eligibility depends strictly on the factual details of your transaction, the SDLT rules in force at the time of completion, and current HMRC requirements.

Could You Have Overpaid SDLT?

Standard conveyancing processes focus primarily on legal title, contract exchange, and lender requirements. They may not always identify transaction-specific SDLT issues, particularly where the property or purchase circumstances are unusual.

An overpayment often goes unnoticed. The buyer pays the calculated sum at completion, HMRC receives the funds, and the transaction closes without initial query. However, tax rules allow buyers to review their returns and correct overpayments within clear timeframes.

Determining whether an overpayment occurred requires reviewing the physical nature of the property, the structure of the contracts, the status of the purchasers, and the relevant tax provisions on the date of purchase.

    Get in touch

    Not sure whether your SDLT was calculated correctly?

    A review can help establish whether the treatment applied to your transaction was appropriate and whether there may be grounds for a refund.

    SDLT Refund Experts

    When Might an SDLT Refund Be Possible?

    A refund or correction may be possible when the tax paid exceeds the amount due under the relevant legislation. HMRC lists several circumstances where an SDLT refund or reduction may be considered, including:

    • Calculation or Classification Errors: Applying residential rates to a property that contained legitimate non-residential elements, or errors in applying tax bands.
    • Unclaimed Reliefs: Situations where an eligible statutory relief was omitted from the original SDLT return.
    • Post-Completion Qualifying Events: Circumstances where higher-rate surcharges were correctly paid at completion, but subsequent events create an entitlement to a refund (such as selling a former main residence or meeting UK presence rules).

    An overpayment is not present in every transaction. Entitlement to a refund depends entirely on verifiable facts and the rules active on the effective date of transaction.

    SDLT OverPayment Review

    What We Look at When Reviewing Your SDLT

    We review the transaction documents, SDLT return, and property circumstances against the legislation and relevant HMRC guidance.

    Our review focuses on key elements of your purchase:

    • Property Classification: Whether the property was correctly treated as residential, non-residential, or mixed-use.
    • Applicable Rate Structures: Whether standard rates, non-residential rates, or higher rates for additional dwellings were applied appropriately.
    • Purchaser Residency: Whether the 2% non-UK resident surcharge was due, or if subsequent UK presence creates a refund opportunity.
    • Multiple Dwellings or Bulk Purchases: How acquisitions involving multiple properties or 6+ dwellings were categorised.
    • Replacement of Main Residence: Whether a subsequent sale of a former home permits a higher-rate surcharge reclaim.
    • Accuracy of the Return: Checking for clerical errors, double-counting of consideration, or misapportionment of chattels.

    Why Choose HeirPlan for Your SDLT Review?

    Navigating SDLT rules requires attention to detail and a clear understanding of HMRC requirements. HeirPlan provides a thorough, objective service focused on accuracy and client clarity.

    • Specialist Focus: We concentrate on SDLT review work, offering clear guidance on complex transaction structures.
    • Independent Opinion: We provide an impartial second opinion on returns prepared at completion, ensuring your tax position is objectively evaluated.
    • Evidence-Led Claims: We ensure every claim submitted to HMRC is backed by proper factual documentation and clear guidance references.
    • Clear Answers: If a review shows no overpayment was made, we tell you clearly, saving you time and giving you peace of mind.
    • End-to-End Support: Where a valid claim exists, we manage the process from initial review through to handling queries with HMRC.
    SDLT Examples Review

    Examples of SDLT Situations Worth Reviewing

    Certain transaction profiles carry a higher probability of miscalculation or overlooked relief. If your purchase fits any of the following scenarios, a professional review can help clarify your position. Getting right sdlt advice always worth.

    Mixed-Use Property

    Property that consists of both residential and non-residential land is subject to non-residential SDLT rates, which have lower top bands and do not attract residential surcharges. However, mixed-use classification is highly fact-specific and closely scrutinised by HMRC. Features such as commercial leases or agricultural use must meet specific legal criteria at the time of completion to qualify. Paying residential rates where non-residential treatment was appropriate can be a basis for a refund, but each case turns strictly on its facts.

    Replacement of Main Residence (Higher Rates Refund)

    If you paid the higher-rate SDLT surcharge when purchasing a new main home because you still owned your previous main home, you can apply for a refund if you sell the previous home within three years of the purchase date.

     

    Non-UK Resident Surcharge Refunds

    If you paid the 2% non-UK resident SDLT surcharge, you may be able to reclaim it if you subsequently satisfy the relevant UK residence test. The rules are specific to SDLT and depend on the purchaser’s circumstances and the dates of the transaction. HMRC requires the refund claim to be made within the applicable two-year period.

    Purchase of 6 or More Dwellings

    Where six or more separate dwellings are acquired in a single transaction, specific rules provide for the transaction to be treated as non-residential. While this can result in a lower tax liability, the treatment is subject to technical conditions and must be applied correctly based on the contract structure.

    Historic Transactions & Multiple Dwellings Relief (MDR)

    Multiple Dwellings Relief (MDR) was abolished for transactions with effective dates on or after 1 June 2024 (subject to transitional rules). For historic transactions that remain within the MDR rules, including qualifying contracts exchanged on or before 6 March 2024, an omitted MDR claim may be worth reviewing, subject to the applicable statutory conditions and time limits.

    SDLT Refund and Review Process

    Our SDLT Review and Refund Process

    HeirPlan follows a clear, step-by-step approach to assess your transaction and deal with HMRC:

    • Initial Information: You provide basic details of your purchase, including completion dates, purchase prices, and copies of your original SDLT documentation.
    • Technical Review: We analyse the contract, completion statements, title plans, and SDLT return against HMRC guidance.
    • Issue Identification & Calculation: If an error or overpayment is identified, we calculate the exact difference between the tax paid and the correct liability.
    • Evidence Audit: Reclaim submissions require proper supporting evidence. We assemble the documentation required to substantiate the claim to HMRC standards.
    • Claim Assistance: Where a valid claim exists, we prepare and submit the return amendment or overpayment relief claim to HMRC and manage correspondence through to resolution.

    What Information Will You Need to Provide?

    The documents required depend on the facts of your transaction. You do not need every document to begin; HeirPlan will confirm what is needed for your specific case.

    Commonly requested documents include:

    • The SDLT5 Certificate issued upon submission.
    • The original SDLT return (SDLT1) or draft prepared by your conveyancer.
    • The Completion Statement from your solicitor.
    • The signed Purchase Contract and transfer deed.
    • Proof of Sale of a former main residence (for surcharge refund claims).
    • Travel or Residence Records verifying UK presence (for non-UK resident surcharge claims).
    • Lease Agreements or Site Plans (where property classification is being evaluated).
    Loan Trust

    What Happens If We Identify an Overpayment?

    If our review confirms an overpayment, we explain the appropriate submission route based on the time elapsed since completion:

    • Standard Return Amendment: Generally available within 12 months of the filing date of the SDLT return.
    • Overpayment Relief Claim: Used where more than a year has passed since the filing date but no more than 4 years have passed since the effective date of the transaction, subject to specific statutory conditions.

    We draft the representations detailing the factual and legal basis of the adjustment. Where HMRC accepts the claim, the refund is generally paid to the taxpayer or another person where HMRC has been authorised to make the payment to them.

    If the review shows that your SDLT was calculated correctly, we explain why, giving you certainty that your tax position is accurate.

    How Long Do You Have to Claim an SDLT Refund?

    Reclaim deadlines vary depending on the nature of the correction and the legal route used. Acting promptly ensures your right to a review is preserved.

    Adjustment / Claim Type Primary Deadline
    Standard Return Amendment Generally within 12 months of the filing date.
    Replacement of Main Residence Surcharge Generally 12 months from the sale of the former home, or 12 months from the filing date of the new home’s return (whichever is later), provided the sale occurs within 3 years.
    Non-UK Resident Surcharge Refund Within 2 years of the effective date of the transaction.
    Overpayment Relief Claim Up to 4 years from the effective date of the transaction (subject to statutory conditions).

    Speak to HeirPlan About Your SDLT

    If you completed a property purchase and want to confirm whether your SDLT was calculated correctly, contact HeirPlan today. We will review your transaction details, outline your options, and confirm whether a refund claim is viable.

    Speak to HeirPlan About Your Transaction

    Overpaid SDLT? Find Out If You Can Claim It Back

    Expert Guidance on SDLT Refunds & Overpayments

    1
    SDLT Transaction Review

    A detailed review of your SDLT return, purchase documents, property circumstances, and transaction details to establish whether the correct amount of tax was paid.

    2
    Identify Potential Overpayments

    We examine property classification, SDLT rates, surcharges, reliefs, and calculation errors to identify potential overpayments that may warrant further review.

    serv-img2
    3
    Specialist SDLT Assessment

    Complex transactions require careful consideration. We assess mixed-use property, additional dwellings, residence status, and other factors against the relevant SDLT rules.

    4
    Evidence-Led Refund Claims

    Where a valid overpayment is identified, we help prepare the supporting evidence and appropriate claim or amendment for submission to HMRC.

    5
    End-to-End Claim Support

    From the initial transaction review through to HMRC correspondence, we provide clear guidance and practical support throughout the refund process.

    Can I claim back SDLT if I think I paid too much?

    Yes, provided valid grounds exist and your claim is submitted within applicable time limits. You must show that the original calculation was incorrect, a relief was omitted, or a qualifying event occurred after completion.

    Standard conveyancing routines prioritize legal completion and may not explore non-standard tax positions. A review checks your transaction details, property use, and contracts against HMRC guidance to verify whether the correct rate was applied.

    Yes. Solicitors manage the legal conveyancing process, but complex SDLT positions sometimes require dedicated review. HeirPlan provides an independent assessment of returns prepared at completion.

    Standard return amendments are generally available within 12 months of the filing date. Overpayment relief claims can be made up to 4 years from the effective date of transaction, provided specific statutory requirements are met.

    If a property genuinely included non-residential elements at completion but was reported as purely residential, non-residential rates may apply. Because mixed-use claims are strictly evaluated by HMRC, a review considers the specific facts of the property before proceeding.

    If you bought a new main residence and paid the higher rate because you still owned your previous main home, you can claim a refund if you sell that previous home within three years of buying the new one.

    To start, we typically need your SDLT5 certificate, the SDLT return draft, your completion statement, and the purchase contract. We will let you know if further documentation is required.