LTT refund claims: when the WRA can say no
When an LTT refund claim can be refused
The WRA may reject a claim to repay or remove LTT where another route should be used, the issue has already been decided, or repayment would create an unfair windfall.
- Check whether the return can be changed.
- Check any earlier review, appeal or settlement.
- Keep evidence of when you knew the relevant facts.
Scroll down for the full analysis.
Read the original guidance here:
LTT refund claims: when the WRA can say no
The WRA can refuse a claim to get Land Transaction Tax back, even if you think you paid too much tax. In some cases, the Welsh Revenue Authority, or WRA, rejects claims because another route was available, the matter has already been decided, or a refund would give you an unfair windfall.
What this rule is about
Land Transaction Tax is Wales’s equivalent. It is often called LTT, and it is the equivalent of stamp duty on property. Returns can overstate tax. They can also show tax as due when it should not be.
A claim for tax to be repaid asks for money back. With a discharge claim, you ask the WRA to remove an unpaid amount. Although they sound similar, the WRA can refuse both for the reasons on this page.
This is not simply a question of whether a figure was wrong. Law also asks whether the claim is the right way to put that wrong right.
What the official source says
The WRA’s technical guidance says it can reject a claim if repayment or discharge would unjustly enrich you. In plain terms, that means you would keep a benefit that you should not fairly receive.
Other situations in the guidance may also lead the WRA to reject a claim. These limits prevent people from using the claim process to reopen a matter they should have corrected, argued, or settled another way.
- Mistaken claims or omissions caused the error.
- You can get relief by another step, such as changing your tax return or filing a return after a WRA determination.
- You could have used another step, but its time limit has passed and you knew, or reasonably should have known, that it was available.
- You have already put the same grounds before a court or tribunal during an appeal about that tax amount.
- You have already raised those grounds with the WRA during a review or appeal that ended in a settlement agreement.
- You knew the grounds before appeal ended. You knew them before withdrawal or expiry.
- WRA enforcement proceedings, or an agreement settling them, produced the amount.
- People used the generally accepted practice at the time, even though it was mistaken.
There is an important limit to the last point. The guidance says it does not apply where tax was charged contrary to EU law.
The source also says that the WRA may refuse a landfill site operator’s claim for relief where the tax amount in question has not been paid. That is a separate point and will not usually concern an LTT property purchase.
What this means in practice
The key question is not only “was too much LTT paid?” Ask this instead: “what was the proper route to correct it, and has this issue already been dealt with?”
You might think a refund claim fixes any old error. It does not. Use it if return changes remain available.
Equally, a claim may be difficult if you had a chance to make the point in an earlier review or appeal. Waiting until that process has ended can matter.
- Keep the return and any changes made to it.
- Keep letters and online messages from the WRA.
- Check whether there has been a review, appeal, settlement, or enforcement action.
- Write down when you first knew the facts behind the claim.
- Check that repayment compensates, rather than enriches, you.
If the WRA rejects the claim, the official source says you can give notice of review or appeal against that decision. The source does not give the detailed deadlines or steps for doing so.
How to analyse it
Start with the amount. Then work through the history of the return and any dispute. The order matters because a correct claim can still fail if the wrong route was used.
- Identify the exact amount you want repaid or removed.
- Set out why you say that amount is too high.
- Check whether you can still change the return or use another available process.
- Check whether that other process used to be available and, if so, when you knew about it.
- Look for any earlier review, appeal, withdrawal, settlement, or enforcement case about the same amount.
- Compare the grounds now raised with the grounds raised before.
- Consider whether repayment would leave you unfairly better off.
- Check whether the calculation followed the practice generally used at the time.
Do not treat the word “mistake” as the whole answer. Mistakes are only part of the guidance; timing, earlier proceedings, and the route used to seek relief also matter.
Example
Priya believes her LTT return shows too much tax. Before making a refund claim, she checks whether the return can be changed. If that route remains open, the WRA may say she should use it instead.
Now change one fact. The time for that other route has ended. If Priya knew, or reasonably should have known, about that route before it expired, the WRA may still reject the claim. The missed chance matters.
There is another possible problem. If Priya had already raised the same point in an appeal about the same tax amount, she may not be able to use a claim to run it again.
Why this can be difficult in practice
These rules often turn on records and timing. The WRA may need to decide what you knew, what you should reasonably have known, and whether two arguments are really the same.
“Unjust enrichment” can also be hard to apply. It is not enough to say that a repayment would benefit you. The issue is whether keeping that benefit would be unfair in the circumstances.
- A claim can be about the same tax amount as an earlier dispute, even if it is described in different words.
- What you reasonably should have known may be different from what you actually remember knowing.
- A settlement can affect later claims about the matters it covered.
- Contemporary accepted practice may defeat a calculation-error claim.
- The EU law exception is technical and depends on the circumstances in which the tax was charged.
Key takeaways
- A mistaken LTT amount does not always mean a refund claim will succeed.
- Check other ways to correct the return before making a claim.
- Earlier appeals, settlements and missed opportunities can block a later claim.
Technical analysis
For advisers, and for anyone who wants to check the law behind this page. You do not need this section to understand the guidance above.
Legislation
- TCMA 2016 section 63 — claims for relief from overpaid devolved tax
- TCMA 2016 section 64 — unjust enrichment and claims for tax relief
- TCMA 2016 section 67 — circumstances where WRA need not allow claims
Official guidance
The pages below are the Welsh Revenue Authority’s guidance. Guidance is not law. It sets out how the Welsh Revenue Authority reads the legislation, and it is not binding on you, on a tribunal or on a court. Where guidance and the legislation differ, the legislation wins. the Welsh Revenue Authority can also change or withdraw guidance, and it may not cover your facts.
Where this is not settled
- The supplied material does not set out the time limit, form or detailed procedure for a review or appeal against a rejected claim.
- The supplied statute files do not include the full current text of the Tax Collection and Management (Wales) Act 2016 provisions cited here. The current wording and any later changes should be checked.
Evidence you would need
This kind of case is decided on the facts of the individual property. These are the records that usually settle it, and the ones an adviser would ask you for.
- The tax return, any amendment, and proof of the amount paid or still due.
- The reason for the claimed overpayment and records showing how it arose.
- Correspondence, review notices, appeal papers and any settlement agreement about the same tax amount.
- Evidence of whether another route to correct the position was available and when the claimant knew about it.
- Evidence showing whether the person making the claim would keep a windfall from repayment.
Explore this with an AI
Readers often want to test their own situation. Copy the prompt below into ChatGPT, Claude or Gemini. It hands the model the actual legislation for this page rather than letting it answer from memory, and tells it to be explicit about what is uncertain. What comes back is information, not advice – check it against the links above.
I am researching Land Transaction Tax (LTT), the tax on property in Wales. It replaced Stamp Duty Land Tax in Wales on 1 April 2018, and SDLT does not apply in Wales. MY QUESTION LTT refund claims: when the WRA can say no [Replace this with your own situation: what you are buying, the price, the dates, who the buyer is, and what you plan to do with the property.] THE LAW THIS TURNS ON - TCMA 2016 section 63 - claims for relief from overpaid devolved tax https://www.legislation.gov.uk/anaw/2016/6/section/63 - TCMA 2016 section 64 - unjust enrichment and claims for tax relief https://www.legislation.gov.uk/anaw/2016/6/section/64 - TCMA 2016 section 67 - circumstances where WRA need not allow claims https://www.legislation.gov.uk/anaw/2016/6/section/67 Guidance page from the Welsh Revenue Authority on this topic (guidance, not law): https://www.gov.wales/tax-collection-and-management-wales-act-2016-claiming-refund-technical-guidance#6509 HOW I WANT YOU TO ANSWER 1. Work from the legislation above. Read it before answering. Guidance from the Welsh Revenue Authority is its view of the law, not the law, and does not bind a tribunal or a court. 2. Tell me what the rule actually requires, in plain English. 3. Tell me which facts decide the answer, and which facts would change it. 4. Tell me what evidence I would need to support the position. 5. Be explicit about anything unsettled or fact-sensitive. Do not guess. 6. Your training data has a cutoff and SDLT rates and reliefs change at fiscal events. Say so if you are not sure the law is current. POINTS ALREADY KNOWN TO BE UNCERTAIN ON THIS TOPIC - The supplied material does not set out the time limit, form or detailed procedure for a review or appeal against a rejected claim. - The supplied statute files do not include the full current text of the Tax Collection and Management (Wales) Act 2016 provisions cited here. The current wording and any later changes should be checked. Do not give me a conclusion you cannot support from the provisions above.
Legislation links show the Land Transaction Tax and Anti-avoidance of Devolved Taxes (Wales) Act 2017 as it stood on 2025-11-17. The law may have changed since, and the rules that apply are those in force on the date of your transaction. The official guidance this page is based on is here.
This page was last updated on 3 September 2026
Useful article? You may find it helpful to read the original guidance here: LTT refund claims: when the WRA can say no
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