LTT compulsory purchase relief when land is bought for development
Compulsory purchase relief
A body that makes a compulsory purchase order may obtain full LTT relief when it buys land under that order to help another person develop it.
- The buyer must have made the order.
- An agreed sale can still qualify.
- A later sale to the developer is normally separate.
Scroll down for the full analysis.
Read the original guidance here:
LTT compulsory purchase relief when land is bought for development

LTT compulsory purchase relief when land is bought for development
Compulsory purchase relief can remove Land Transaction Tax (LTT) when a body buys land under its own compulsory purchase order to help someone else develop it. LTT is the Welsh land tax sometimes compared with stamp duty.
Relief is narrow: when a body makes an order, acquires land under it, and later sells that land for another person’s development, it usually assists the body rather than the developer that buys it. That distinction matters.
What this rule is about
Large building projects can need land owned by several people. A developer may try to agree purchases with every owner. Sometimes that does not work.
Once a council or other body with the right powers has made a compulsory purchase order, it can obtain land for a project that somebody else will carry out. That is its route.
That route can create two separate property deals. Without relief, LTT would normally arise on each one.
What the official source says
The Welsh Revenue Authority’s guidance explains that relief may be claimed for a purchase made under a compulsory purchase order which helps another person’s development. Under the law, that purchase receives full LTT relief.
- The buyer must be able to make a compulsory purchase order.
- The buyer must actually have made the compulsory purchase order.
- The order must be intended to help development by another person.
- The buyer must obtain the land under that order.
- The landowner can agree a sale after the order is made.
- A negotiated sale can still qualify; a forced transfer is not essential.
This last point matters. An order may put the parties in a position to agree a sale, but that does not stop the relief applying.
What this means in practice
Often, the pattern is simple. A public body makes an order to support a developer’s scheme. It buys the required land from the owners, then sells it on to the developer.
On the first purchase, compulsory purchase relief may apply. Any later sale is a separate deal. It does not get this relief merely because the land was once subject to an order.
- The body that made the order should consider relief on its purchase.
- The developer should not assume it can claim this particular relief.
- Each transfer needs its own LTT review.
- The fact that the owner agreed to sell does not, by itself, prevent relief.
- The relief must be included in the first LTT return or an amendment to it.
This is the part people can miss: the project may be one commercial plan, yet the transfers are still separate for LTT.
How to analyse it
Start with the order, not with the eventual building project. Ask who made the compulsory purchase order and who bought the land under it.
- Identify the buyer on the transfer from the landowner.
- Check whether that buyer made the compulsory purchase order.
- Check that it had power to make the order.
- Read the order and related papers to identify its development purpose.
- Check who will carry out that development.
- Match the land bought to the land covered by the order.
- Keep evidence of any agreed purchase with the landowner.
- Review any later sale as a separate LTT event.
What actually decides it? Whether the developer wanted the land does not decide the issue. Instead, ask whether the buyer acquired it under an order it made to facilitate somebody else’s development.
Example
After a council makes a compulsory purchase order to help Priya Build Ltd assemble land for a regeneration scheme, one owner agrees to sell directly to the council. No forced transfer is needed.
If it was made under the council’s order, that agreed purchase can still qualify for relief. If the council later sells the land to Priya Build Ltd, that later sale is a new LTT event and does not qualify for this relief simply because of the earlier order.
Why this can be difficult in practice
Documents often describe a deal as agreed, voluntary or negotiated. Those labels do not settle the point. Instead, ask whether the order was the route under which the buyer obtained the land.
A blurred line can also arise between helping a developer and buying land for the buyer’s own project. Relief requires development by another person.
- A developer’s commercial involvement is not enough on its own.
- A negotiated price does not automatically mean the order is irrelevant.
- A later transfer to the developer needs separate consideration.
- The order, agreements and project papers should tell a consistent story.
- Do not treat relief for the first purchase as relief for every later transfer.
Key takeaways
- LTT relief can apply where the buyer made the compulsory purchase order.
- An agreed sale can qualify if it is made under that order.
- A later sale to the developer is normally a separate LTT matter.
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 21 para 1 — relief for compulsory purchases facilitating another person’s development
- LTTA 2017 section 30 — effect of full relief from land transaction tax; when relief must be claimed in a return
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
- Whether a particular body has the power to make a compulsory purchase order depends on its legal powers and the facts.
- Whether a negotiated sale was made under the order can depend on the documents, timing and reason for the sale.
- The relief does not define every factual boundary of what facilitates development.
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 compulsory purchase order and evidence that the buyer made it.
- Records showing the development the order was intended to help.
- The agreement, transfer documents and correspondence with the landowner.
- Evidence showing why the purchase was connected to the order.
- The LTT return and any amendment claiming relief.
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 compulsory purchase relief when land is bought for development [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 21 para 1 - relief for compulsory purchases facilitating another person's development https://www.legislation.gov.uk/anaw/2017/1/schedule/21/paragraph/1 - LTTA 2017 section 30 - effect of full relief from land transaction tax https://www.legislation.gov.uk/anaw/2017/1/section/30 - LTTA 2017 section 30 - when relief must be claimed in a return https://www.legislation.gov.uk/anaw/2017/1/section/30 Guidance page from the Welsh Revenue Authority on this topic (guidance, not law): https://www.gov.wales/land-transaction-tax-compulsory-purchase-relief-and-planning-obligations-relief-technical-guidance#5845 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 - Whether a particular body has the power to make a compulsory purchase order depends on its legal powers and the facts. - Whether a negotiated sale was made under the order can depend on the documents, timing and reason for the sale. - The relief does not define every factual boundary of what facilitates development. 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 compulsory purchase relief when land is bought for development
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