How to pay Land Transaction Tax with a paper return
Paper LTT return payments
When filing a Welsh Land Transaction Tax return on paper, calculate the tax and pay it without waiting for a UTRN.
- Use the land postcode and buyer surname for an individual.
- Use the land postcode and organisation name for an organisation.
- Keep a record of the reference used for payment.
Scroll down for the full analysis.
Read the original guidance here:
How to pay Land Transaction Tax with a paper return
If you use a paper Land Transaction Tax return, calculate the tax before sending it and pay with the correct reference. You do not yet have a UTRN. A UTRN is normally used as the tax reference for payment.
What this rule is about
Land Transaction Tax is Wales’s stamp duty. It applies to property purchases. A paper return needs a self-assessment: your calculation of the tax due. The buyer is responsible for paying any tax due.
The missing UTRN may seem problematic. The official page provides another way to identify your payment.
What the official source says
Calculate the tax first, then use that figure to complete the paper return and make payment. The official source says officials issue a UTRN only after the paper return is submitted and they manually process it.
- For an individual buyer, use the land postcode and the buyer’s surname.
- Put a backslash between those two parts.
- For an organisation buyer, use the land postcode and the organisation’s name.
What this means in practice
When you file on paper, before a UTRN has been issued and while the return awaits manual processing, use the alternative reference on the official page so officials can match the payment to the return. Pay without waiting for a UTRN.
- Use the postcode for the land being bought.
- Use the buyer’s surname if the buyer is an individual.
- Use the buyer organisation’s name if it is an organisation.
How to analyse it
Follow a simple order for the task. The calculation, return and payment must match.
- Check that you are using a paper LTT return.
- Calculate the LTT due before completing the form.
- Identify whether the buyer is an individual or organisation.
- Build the payment reference using the correct postcode and name.
- Keep a record of the payment reference used.
Example
The official page gives this example for an individual buyer: if the land postcode is CF379EH and the buyer’s surname is Bloggs, the payment reference is CF379EH\Bloggs. Use that reference because no UTRN is available yet.
Why this can be difficult in practice
This small detail matters. A wrong reference may make it harder to match the payment to the paper return. The official source does not explain how officials handle errors.
- Do not use a UTRN that has not been issued.
- Do not use the seller’s name.
- Check the land postcode carefully.
Key takeaways
- Calculate the tax before completing a paper return.
- A UTRN comes after manual processing of the paper return.
- Use the official alternative reference when making payment.
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 section 44 — paper returns must include a tax self-assessment
- LTTA 2017 section 56 — the buyer must pay land transaction tax
- LTTA 2017 section 57 — tax is payable when the return is made
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 statutory materials contain no currency notice. Their up-to-date status could not be verified.
- Payment-reference instructions may change, so they should be checked against the current official page before payment.
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 property postcode
- The buyer’s surname or organisation name
- The completed LTT calculation
- A copy of the paper return and payment record
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 How to pay Land Transaction Tax with a paper return [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 section 44 - paper returns must include a tax self-assessment https://www.legislation.gov.uk/anaw/2017/1/section/44 - LTTA 2017 section 56 - the buyer must pay land transaction tax https://www.legislation.gov.uk/anaw/2017/1/section/56 - LTTA 2017 section 57 - tax is payable when the return is made https://www.legislation.gov.uk/anaw/2017/1/section/57 Guidance page from the Welsh Revenue Authority on this topic (guidance, not law): https://www.gov.wales/pay-land-transaction-tax 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 statutory materials contain no currency notice. Their up-to-date status could not be verified. - Payment-reference instructions may change, so they should be checked against the current official page before payment. 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: How to pay Land Transaction Tax with a paper return
Search Land Tax Advice with Google
