Multiple dwellings relief: the minimum Land Transaction Tax
Minimum tax under multiple dwellings relief
Claiming relief for buying more than one home does not remove Land Transaction Tax entirely. A minimum amount applies.
- 1% before 13 February 2026
- 3% on or after 13 February 2026
- check transitional rules near the change date
Scroll down for the full analysis.
Read the original guidance here:
Multiple dwellings relief: the minimum Land Transaction Tax
Where the relief calculation would otherwise produce a very low amount, this minimum bill can matter.
What this rule is about
When you buy several homes and claim multiple dwellings relief, the tax calculation can change because the relief is worked out across all of those properties. However, the relief cannot reduce the tax below a set percentage of the price paid for those properties.
That percentage is the minimum tax. It is a floor, not usually the final calculation.
What the official source says
The Welsh Revenue Authority guide says the minimum is a percentage of the purchase price of the properties. The rate changes on 13 February 2026.
- For transactions before 13 February 2026, the minimum is 1%.
- For transactions on or after 13 February 2026, the minimum is 3%.
- The guide says transitional rules may affect purchases around that change.
What this means in practice
First, work out the tax under the relief rules, then compare that figure with the minimum that applies to the total price paid for the properties. Then check the minimum. If the relief calculation gives a lower figure, the minimum amount applies instead.
- A low result does not always mean a low final tax bill.
- The date of the purchase can change the minimum rate.
- Keep the total price for all the properties clear.
How to analyse it
Start by asking whether you are claiming relief for buying more than one home, and, if you are, identify the minimum that is relevant to the transaction. Compare it with the tax calculation.
- Check the total price paid for the properties.
- Identify whether the transaction falls before or from 13 February 2026.
- Check the transitional guidance if the timing is close to that date.
Example
Ravi buys several homes together for £500,000 and claims the relief. Before 13 February 2026, the minimum would be 1% of £500,000: £5,000. From that date, it would be 3%: £15,000. If the normal relief calculation is higher, he pays the higher amount.
Why this can be difficult in practice
People may regard the relief as an automatic discount, especially when they focus on the initial calculation rather than the minimum tax. It is not. The minimum can limit the saving, and the rate change is substantial.
- Do not assume the 1% rate applies after the change date.
- Do not ignore transitional rules mentioned by the official source.
Key takeaways
- The relief has a minimum tax floor.
- The rate rises from 1% to 3% on 13 February 2026.
- Transitional rules may matter near that date.
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 13 para 6 — minimum tax floor for the homes part
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 source does not explain the transitional rules, so it does not show how every purchase close to 13 February 2026 should be treated.
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 total price paid for the properties
- the date relevant to the purchase
- whether multiple dwellings relief has been claimed
- whether transitional rules could apply
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 Multiple dwellings relief: the minimum Land Transaction Tax [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 13 para 6 - minimum tax floor for the homes part https://www.legislation.gov.uk/anaw/2017/1/schedule/13/paragraph/6 Guidance page from the Welsh Revenue Authority on this topic (guidance, not law): https://www.gov.wales/land-transaction-tax-relief-multiple-dwellings-guide 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 source does not explain the transitional rules, so it does not show how every purchase close to 13 February 2026 should be treated. 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: Multiple dwellings relief: the minimum Land Transaction Tax
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