When do you need to report an LTT land transaction?
Notifiable LTT transactions
A Welsh land deal may need reporting even if it produces no LTT bill. The crucial question is whether it falls within one of the statutory categories for a notifiable transaction.
- Taking a share in a home can be reportable at a 0% tax rate.
- Easements and similar rights can be reportable where LTT applies above 0%.
- Early possession and assigned contracts can create additional reportable transactions.
Scroll down for the full analysis.

Read the original guidance here:

When do you need to report an LTT land transaction?
Not every Welsh property deal leads to Land Transaction Tax. But some deals still need reporting even when the tax is nil. This is an LTT question, not stamp duty. The key is whether the deal is “notifiable” under the Act.
What this rule is about
Notifiable transactions enter the LTT reporting system. The label matters because it is not the same as asking whether tax is due.
That distinction catches people out. You may pay an amount that falls wholly within a 0% band and still have a transaction that must be dealt with through the LTT return process.
The main rule covers four types of deal. Most ordinary home purchases fall within the first type.
What the official source says
According to Welsh Revenue Authority guidance, a major interest in land will normally be notifiable, although statutory exceptions can apply depending on the transaction’s terms and value. In simple terms, that includes owning land outright or holding a leasehold interest. There are statutory exceptions, including exempt deals and certain low-value purchases or leases.
- Buying a major interest in land is normally notifiable, unless an exception applies.
- This can include taking a share in the home you live in.
- A different land right, such as an easement, can be notifiable if it is not exempt and LTT applies above 0%.
- A relief claim does not necessarily remove the need to report the transaction.
- A third-party transfer contract can be notifiable if it is substantially performed before completion.
- Before completion, an assignment or subsale can create notional transactions that are also notifiable, particularly where the arrangement changes who will acquire the land.
Substantial performance has a specific statutory meaning. It can happen when the buyer, or someone connected with them, takes possession of all or nearly all of the property. It also occurs when all or nearly all of the amount due has been paid or provided.
What this means in practice
Start by separating two questions: do you need to report the deal, and is any LTT due? They often have the same answer. They do not always.
For example, taking a share in a partner’s home may be reportable even if the amount you pay is within a 0% band. The fact that no tax is due does not, by itself, end the analysis.
- Do not assume a nil tax result means there is nothing to report.
- Check what interest in the land you are actually receiving.
- Read agreements giving access or possession before the formal transfer.
- Keep a clear record of every payment and its date.
- Where a contract has been assigned, map each step and each party.
- Check whether a relief is being claimed rather than assuming the deal is outside LTT.
How to analyse it
Work through the documents in date order. This is especially important where a company, investor or developer has stepped into an existing contract.
- Is the land in Wales and is there an LTT land transaction?
- Are you receiving an outright ownership interest or a leasehold interest?
- If so, does one of the statutory exceptions apply?
- If you are receiving another right, such as an easement, is the deal exempt?
- Would any part of the amount paid be taxed above 0%, ignoring a relief claim?
- Does the contract allow the seller to transfer the land to somebody else?
- Before completion, has anyone taken possession or paid a substantial amount?
- Has an original buyer assigned rights or agreed a subsale before completion?
What actually decides the answer? The legal effect of the paperwork and what happened on the ground. A label in the agreement is not enough on its own.
Example
Anna moves into Ben’s home. She pays Ben £100,000 to become a joint owner with him. Anna owns no other property. The guidance says this is notifiable because Anna has acquired a major interest jointly with Ben, even though the £100,000 falls within the residential 0% band and no LTT is due on the facts given.
Now take a different type of deal. A company pays a farmer £300,000 for rights to put 30 pylons on the farmer’s land. The right is an easement, not a major interest. Although the easement is not a major interest, the guidance says that it remains notifiable because LTT is charged on that land right above 0%. Its classification does not end the enquiry.
Why this can be difficult in practice
The difficult cases often involve more than a straightforward sale. An easement, an agreement to enter land, early access to a building, or an assignment of a purchase contract may each have a different effect.
You might think completion is the only date that matters. It is not. Taking possession before completion can bring a contract into the rules earlier.
- Early access may amount to possession, even if described as temporary.
- The right to receive rent can count as possession.
- A deal can involve more than one notifiable transaction.
- A relief may remove tax but leave the reporting point in place.
- An assignment payment may form part of the amount considered for the final buyer.
- The source’s subsale example shows why each party’s transaction must be considered separately.
In that example, B assigns its rights to C for £50,000. C then pays A £400,000 on completion. The guidance treats B’s original transaction as notional and reportable, whereas C’s separately reportable transaction includes £450,000 of consideration made up of both payments. Relief may be available to B if the statutory subsale conditions are met.
Key takeaways
- A deal can be notifiable even where no LTT is due.
- Major interests are normally reportable unless an exception applies.
- Early possession, third-party transfers and assigned contracts need extra care.
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 45 — transactions that count as notifiable for ltt
- LTTA 2017 section 46 — exceptions for major interests and certain leases
- LTTA 2017 section 68 — what counts as a major interest in land
- LTTA 2017 section 11 — third-party transfers substantially performed before completion
- LTTA 2017 section 14 — when a contract has been substantially performed
- LTTA 2017 Schedule 2 para 8 — notional transactions after an assignment of rights
- LTTA 2017 Schedule 2 para 19 — relief for original buyers in qualifying subsales
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 right over land is a major interest, or another type of land right, depends on the legal documents and facts.
- Whether a contract has been substantially performed can turn on possession, payments and the parties’ connected arrangements.
- Whether relief for a qualifying subsale is available depends on the full statutory conditions, including timing and whether a claim is made.
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 signed contract, transfer and any assignment documents
- Evidence of payments and the dates they were made
- Evidence of who took possession or received rents
- Details of any relief claimed and why it is available
- The nature and term of any lease, easement or other land right
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 When do you need to report an LTT land 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 section 45 - transactions that count as notifiable for ltt https://www.legislation.gov.uk/anaw/2017/1/section/45 - LTTA 2017 section 46 - exceptions for major interests and certain leases https://www.legislation.gov.uk/anaw/2017/1/section/46 - LTTA 2017 section 68 - what counts as a major interest in land https://www.legislation.gov.uk/anaw/2017/1/section/68 - LTTA 2017 section 11 - third-party transfers substantially performed before completion https://www.legislation.gov.uk/anaw/2017/1/section/11 - LTTA 2017 section 14 - when a contract has been substantially performed https://www.legislation.gov.uk/anaw/2017/1/section/14 - LTTA 2017 Schedule 2 para 8 - notional transactions after an assignment of rights https://www.legislation.gov.uk/anaw/2017/1/schedule/2/paragraph/8 - LTTA 2017 Schedule 2 para 19 - relief for original buyers in qualifying subsales https://www.legislation.gov.uk/anaw/2017/1/schedule/2/paragraph/19 Guidance page from the Welsh Revenue Authority on this topic (guidance, not law): https://www.gov.wales/land-transaction-tax-returns-and-payments-technical-guidance#5532 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 right over land is a major interest, or another type of land right, depends on the legal documents and facts. - Whether a contract has been substantially performed can turn on possession, payments and the parties' connected arrangements. - Whether relief for a qualifying subsale is available depends on the full statutory conditions, including timing and whether a claim is made. 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: When do you need to report an LTT land transaction?
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