Details needed for your original LTT transaction
Original transaction details
A higher-rate LTT refund claim needs information from the original purchase.
- Find the 12-digit UTRN
- Check the effective date on the return
- Record former-home and buyer details
Scroll down for the full analysis.
Read the original guidance here:
Details needed for your original LTT transaction
For a higher-rate Land Transaction Tax refund claim, you need facts from your first property purchase. Find these before you start. They help the Welsh Revenue Authority link your claim to the right return.
What this rule is about
This rule identifies the purchase where you paid higher-rate LTT. LTT is Wales’s property tax, rather than stamp duty. You may get a repayment after selling a former main home. First, the WRA must find the original transaction.
What the official source says
The WRA says you must give key facts from the original LTT return. You must also give details of the people who bought the property.
- Your 12-digit Unique Transaction Reference Number, or UTRN
- The effective date of the transaction, usually the completion date
- The address and postcode of your former main home
- Each buyer’s full name and date of birth
What this means in practice
Find the original LTT return before you fill in the claim. Do not guess the reference number or date. Give details for every other buyer too.
- Check that the UTRN has 12 digits
- Use the date recorded on the original return
- Record whether any other buyers were married
How to analyse it
Start with the original purchase. Then check each detail the WRA asks for. This part is easy to miss. People may focus only on selling their old home.
- Find the original LTT return
- Copy its UTRN and effective date
- Check the former home’s full address and postcode
- List every buyer and the requested personal details
Example
Megan checks her original return before making her claim. It shows UTRN 123456789012 and the purchase date. She records her former home’s postcode. She notes her date of birth. She also notes her joint buyer’s details.
Why this can be difficult in practice
Completion is usually the effective date. The source says “usually”, not always. The original return is the safest place to check. Joint purchases can be easy to miss. This can happen if one buyer does not deal with the claim.
- A UTRN is not the same as a property address
- All buyers’ details may matter
- The former home must be identified clearly
Key takeaways
- Keep the original LTT return to hand
- Use the 12-digit UTRN from that return
- Include the former-home and buyer details the WRA requests
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
- LTTA 2017 Schedule 5 para 23 — repayment after selling a former main home
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.
- Welsh Revenue Authority, Details of original transaction
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 12-digit UTRN from the original LTT return
- the effective date of the original purchase
- the former main home’s address and postcode
- each buyer’s name and date of birth
- details of other buyers and whether they are married
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 Details needed for your original LTT transaction [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 - LTTA 2017 Schedule 5 para 23 - repayment after selling a former main home https://www.legislation.gov.uk/anaw/2017/1/schedule/5/paragraph/23 Guidance page from the Welsh Revenue Authority on this topic (guidance, not law): https://www.gov.wales/claim-refund-land-transaction-tax-higher-rates 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. 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: Details needed for your original LTT transaction
Search Land Tax Advice with Google
