Settling an LTT review or appeal with the WRA
Settlement agreements and LTT disputes
You may agree an outcome with the Welsh Revenue Authority while a decision is under review or appeal. A qualifying agreement can have the same practical result as a tribunal ruling.
- The agreement may uphold, vary or cancel the decision.
- You may withdraw by notifying the WRA within 30 days.
- Oral agreements need written confirmation of their existence and terms.
Scroll down for the full analysis.
Read the original guidance here:
Settling an LTT review or appeal with the WRA
You may be able to agree an outcome with the Welsh Revenue Authority instead of waiting for a review or appeal to finish. It can keep, change or cancel the decision. It can bring the dispute to an end, so the wording and timing matter.
What this rule is about
This rule concerns a challenge to a Welsh Revenue Authority decision about Land Transaction Tax (LTT). It is not a rule about how much tax applies to a property purchase. It is about what can happen once you dispute a decision.
A settlement agreement lets you and the WRA agree the result. In effect, it can achieve the same outcome as a tribunal ruling on that issue. This can save time. You must know exactly what you agreed.
What the official source says
The WRA’s technical guidance explains that the WRA and the taxpayer can make a settlement agreement while a decision is under review or appeal. It can support the original decision, change it, or cancel it.
- It may uphold the original decision.
- It may vary the decision, meaning that it changes part or all of it.
- It may cancel the decision.
- For the matter concerned, its effect broadly matches the result a tribunal would have reached if it had decided that matter itself in the same way. It is not a tribunal decision. The source excludes it from the further appeal routes listed in the source.
There are important limits. This special effect does not apply in every case.
- A taxpayer can withdraw by notifying the WRA within 30 days of entering the agreement.
- Where an agreement is not in writing, either the WRA or the taxpayer must confirm in writing both that they made it and the terms they agreed. Written confirmation is required.
- Either the WRA or the taxpayer can give that written confirmation.
- No settlement agreement can be made once an appealable decision has been finally determined.
What this means in practice
A settlement is not simply an informal conversation about a possible compromise. Once it takes effect, it can have the practical result of a tribunal decision. Put the agreed outcome in clear written terms.
This is the part that can be easy to miss: an agreement may settle only the matter covered by its terms. Check what decision, tax period, amount and issue the document actually addresses.
- Read the original WRA decision alongside the proposed agreement.
- Check whether the agreement leaves the decision unchanged, changes it, or cancels it.
- Keep proof of the date on which each side entered the agreement.
- If the parties first made the agreement orally, make sure they confirm its existence and terms in writing.
- Do not assume a settlement creates another normal route of appeal.
How to analyse it
Start with the stage of the dispute. You can settle a decision while the WRA reviews it or while you appeal it, but not after that appealable decision has been finally determined. Timing comes first.
- Identify the WRA decision that you are challenging.
- Check whether it is still under review or appeal.
- Check that it has not already been finally determined.
- Read the proposed terms and identify the exact result they produce.
- Check whether the agreement is written or whether either party has confirmed it in writing.
- If you may withdraw, record the agreement date and the date the WRA receives your notice.
Example
Rhodri challenges an LTT decision and then agrees terms with the WRA during the appeal. The written agreement says the decision will be varied. Twenty days later, Rhodri sends the WRA a notice withdrawing from the agreement. According to the source, when the taxpayer gives that notice within 30 days, the tribunal-equivalent effect does not apply, even though the agreement was otherwise in place. Rhodri did so.
That does not mean every disagreement disappears automatically. The documents must show what the parties agreed, when they agreed it, and what notice either party sent after the agreement.
Why this can be difficult in practice
People often focus on the tax amount and overlook the process. Yet a short phrase in a settlement can decide whether the original decision stands, changes, or falls away. An unclear record creates avoidable arguments later.
- An email exchange may be hard to interpret if it does not state final terms.
- A verbal agreement needs written confirmation of both the agreement and its terms.
- The 30-day period runs from the day the agreement was entered into.
- A final determination prevents a later settlement agreement about that appealable decision.
- A settlement has tribunal-like consequences, but it is not a tribunal decision for the specified further appeal rules.
Key takeaways
- You and the WRA can settle a decision under review or appeal.
- The agreement can uphold, change or cancel the decision.
- Keep clear written evidence and act promptly if you plan to withdraw.
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 184 — settling a review or appeal by agreement
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 official source does not explain how the WRA will deal with a dispute about whether an agreement was made or what its terms were.
- The source does not set out the practical form or content of a withdrawal notice.
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 original decision being reviewed or appealed
- The signed agreement or written confirmation of its terms
- Evidence of the date the agreement was made
- A copy and delivery evidence for any withdrawal notice
- Confirmation of whether the appeal has already been finally determined
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 Settling an LTT review or appeal with the WRA [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 184 - settling a review or appeal by agreement https://www.legislation.gov.uk/anaw/2016/6/section/184 Guidance page from the Welsh Revenue Authority on this topic (guidance, not law): https://www.gov.wales/tax-collection-and-management-wales-act-2016-reviews-and-appeals-technical-guidance#6646 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 official source does not explain how the WRA will deal with a dispute about whether an agreement was made or what its terms were. - The source does not set out the practical form or content of a withdrawal notice. 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 4 September 2026
Useful article? You may find it helpful to read the original guidance here: Settling an LTT review or appeal with the WRA
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