Do you have to send bank details and ID to claim an SDLT refund?

Introduction

People often ask whether they must provide bank details, proof of identity and address documents when pursuing a Stamp Duty Land Tax (SDLT) refund. The concern is understandable. SDLT refunds can involve large sums, and many taxpayers want to know whether HMRC really needs this information, whether a refund must go back to a particular account, and how personal information should be handled safely.

This article explains the issue in general terms and sets out the practical position in plain English.

The Question

A taxpayer pursuing a possible SDLT refund was asked by a tax adviser or claims firm to provide a copy of a passport, home address and bank account details. The taxpayer was uneasy about sending sensitive personal and financial information by email and wanted to know:

• whether HMRC really requires those details before a refund can be made;
• whether a refund must be paid back to the same bank account from which the SDLT was originally paid; and
• how personal details should be provided securely.

Nick’s Explanation

Nick’s explanation, put into public-facing form, is that caution is sensible. A taxpayer should not feel pressured into sending passport copies or bank details through an insecure channel without understanding why the information is needed and how it will be protected.

The key practical points are these:

• HMRC may require enough information to identify the taxpayer and process a repayment properly.
• An adviser handling a refund claim may also need identity and authority documents so they can act for the taxpayer.
• That does not mean a taxpayer should send sensitive material casually by ordinary email if there is no secure process.
• If bank details are requested, the taxpayer should ask why they are needed, who will receive them, and how the information will be stored and transmitted.

In anonymised form, Nick’s message can be summarised as: the taxpayer is right to ask for a secure method and for a clear explanation of why any personal information is required before sending it.

The Law

SDLT is governed mainly by Finance Act 2003. Refunds or repayments can arise where too much tax has been paid, where a relief applies, or where a surcharge is later repayable.

The exact information needed depends on the nature of the claim. In broad terms:

• HMRC must be satisfied that the person claiming is entitled to the repayment.
• Where an agent acts for the taxpayer, HMRC will usually expect proper authority.
• HMRC may request information needed to verify the claim and to make payment.

There is no general rule that a taxpayer must simply accept any request for sensitive data from a third party without question. The request must be connected to a legitimate purpose, and the taxpayer is entitled to understand the basis for it.

As a practical matter, HMRC does make repayments electronically in many cases, so bank details may be needed for payment. However, statements such as “HMRC has strict regulations requiring refunds to be processed to the same account from which the SDLT was originally paid” should be treated with care unless the precise repayment mechanism and HMRC process have been clearly explained. SDLT on a purchase is often paid by a conveyancer or agent from a client account, and repayment arrangements can vary depending on how the original payment and the claim are handled.

Analysis

The issue can be broken down into four separate questions.

First, does a refund claim usually require identifying information?

Yes, often it does. If a person is asking HMRC to repay tax, HMRC needs to know who is making the claim, what transaction is involved, and why the repayment is due. If an adviser is preparing the claim, they may reasonably ask for documents that let them verify the taxpayer’s identity and authority.

Second, does that automatically justify sending a passport and bank details by ordinary email?

No. The need for information and the method of sending it are different issues. A taxpayer can reasonably ask for a secure portal, encrypted transfer method, or another controlled process. That is especially important where the documents include passport details, address details and bank account information.

Third, must the refund always go back to the same bank account used for the original SDLT payment?

That is too absolute as a general statement. In practice, the route of repayment depends on the type of claim, who paid the tax, who is making the repayment request, and what HMRC requires in that case. If the original SDLT was paid by a solicitor or agent, the position may be more complicated than simply refunding the same account. A taxpayer should ask for the exact HMRC basis for any statement of that kind.

Fourth, what should a careful taxpayer do?

The taxpayer should ask for:

• a clear explanation of why each document is needed;
• confirmation of who will hold and process the data;
• the secure method for transmission;
• confirmation of the authority under which the adviser is acting; and
• an explanation of how any repayment will be made.

If those answers are not forthcoming, it is reasonable to pause before sending anything sensitive.

Outcome

The practical answer is that a taxpayer may well need to provide identity and payment information for an SDLT refund claim, but they do not have to send it blindly or insecurely. It is reasonable to insist on a secure process and a proper explanation.

A taxpayer should also be cautious about any blanket statement that HMRC will only repay to the same account from which SDLT was originally paid. That may not accurately describe every case, and the exact repayment route should be checked against the facts.

Practical Steps

If you are in this position, take these steps:

1. Ask what type of SDLT refund is being claimed and on what legal basis.
2. Ask why your passport, address and bank details are needed.
3. Ask for a secure upload link or encrypted method instead of ordinary email.
4. Check who exactly will receive and store your documents.
5. Ask whether the claim is being made directly to HMRC or through an agent.
6. Ask for a clear explanation of how HMRC will make any repayment.
7. Do not send more information than is reasonably necessary.
8. Keep copies of all communications and documents provided.

Conclusion

If you are asked for ID and bank details for an SDLT refund claim, caution is justified. The information may be needed, but you should be told why it is required and how it will be handled securely. You should also not assume that every statement about HMRC repayment rules is correct without checking the exact basis for it.

Legal References Used

• Finance Act 2003
• HMRC SDLT guidance and repayment procedures, generally applicable to repayment claims and agent-authority requirements

This page was last updated on 22 March 2026.

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