Guidance on LBTT Contracts, Conveyance, and Substantial Performance Rules
When LBTT Is Triggered for Scottish Property Contracts
For most Scottish property purchases, Land and Buildings Transaction Tax (LBTT) is due at settlement when the disposition is delivered, not when missives are concluded. However, if the contract is “substantially performed” before completion, LBTT can arise earlier, which may change the effective date, filing deadline and payment date.
- Concluding missives does not usually create a taxable land transaction on its own if the deal is to be completed by conveyance.
- A contract may be substantially performed before completion if the buyer takes possession of all or most of the property, pays a substantial part of the price, or assigns rights so a third party can call for the conveyance.
- There is no fixed percentage for what counts as a “substantial” payment; it depends on the facts of each case.
- If substantial performance happens first, the effective date for LBTT is the date of that event, not the later settlement date.
- If the deal later completes, there may still be a further notification requirement, but extra tax is only charged on any additional consideration not already taxed.
- If a substantially performed contract is later cancelled or falls through, the buyer may be able to reclaim LBTT, subject to the correct claim process and time limits.
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Read the original guidance here:
Guidance on LBTT Contracts, Conveyance, and Substantial Performance Rules
LBTT contracts and conveyances: when a land transaction happens and what counts as substantial performance
This page explains when a contract for Scottish land actually becomes chargeable for Land and Buildings Transaction Tax. In most ordinary purchases, LBTT is triggered when the sale settles and the disposition is delivered. But the legislation also brings some contracts into charge earlier, if they have been “substantially performed”. That matters because it can change the effective date, the filing position, and when tax becomes due.
What this rule is about
In Scotland, a land purchase is often made in two stages. First, the parties conclude the missives. Later, the transaction is completed by the disposition at settlement.
The basic rule is that entering into the contract does not by itself mean the buyer has entered into a taxable land transaction. If the contract is one that is to be completed by a conveyance, the tax point is usually completion, not contract.
However, the LBTT legislation recognises that in some cases the buyer may effectively have the benefit of the deal before formal completion. To deal with that, it uses the concept of substantial performance. If a contract is substantially performed before completion, the tax treatment changes.
What the official source says
Revenue Scotland’s guidance, based on sections 8, 9, 10, 14 and 58 of the Land and Buildings Transaction Tax (Scotland) Act 2013, says the following.
Where a contract for a land transaction is to be completed by a conveyance, the buyer is not treated as making a land transaction merely because the contract has been entered into. In a standard house purchase, the contract is the missives and the conveyance is the disposition. The effective date is normally the date of settlement.
A contract for a land transaction is entered into when missives are concluded in writing. This reflects the Requirements of Writing (Scotland) Act 1995, which requires writing for contracts creating, transferring, varying or extinguishing a real right in land.
A contract is substantially performed if any of the following happens before completion:
- the buyer, or a person connected with the buyer, takes possession of the whole or substantially the whole of the premises;
- a substantial amount of the consideration is paid or provided; or
- there is an assignation, sub-sale, or other transaction under which a third party becomes entitled to call for a conveyance to that third party, except where sub-sale development relief applies.
The guidance makes clear that “substantial amount of the consideration” is not defined by a fixed percentage. Revenue Scotland says this must be considered case by case, and that even less than 90% might be substantial depending on the facts.
If the contract is completed by a conveyance without having previously been substantially performed, the contract and conveyance are treated as a single land transaction. The effective date is completion.
If the contract is substantially performed but not completed, the contract itself is treated as the land transaction, and the effective date is the date of substantial performance.
If the contract is substantially performed and is later formally completed, the legislation treats the contract and the later completion as two separate land transactions. But tax on the second transaction is charged only to the extent that the consideration exceeds that already brought into charge on the first transaction. Revenue Scotland notes that there may still be a requirement to notify the completion.
If a substantially performed contract is later rescinded, annulled, or otherwise not brought into effect, tax already paid may be repaid to the buyer. The route for claiming depends on timing. If the claim is made within 12 months of the filing date, it must be made by amending the LBTT return. After that, the claim must be made under the claims provisions in the Revenue Scotland and Tax Powers Act 2014, within the statutory time limit.
The guidance also notes that leases have separate rules, including separate treatment of substantial performance.
Finally, for conditional contracts, Revenue Scotland says that where a contract is subject to suspensive conditions, the contract date will usually still be taken as the date the conditional contract was entered into or signed, because a binding contract has been made at that point.
What this means in practice
For most residential purchases, this is straightforward. You conclude missives, but LBTT is not normally triggered at that stage. The tax point is settlement, when the price is paid and the keys and disposition are delivered.
The difficulty arises where the buyer gets ahead of formal completion. If the buyer moves in early, pays most of the price early, or the contractual rights are passed on in a way that lets another person require the conveyance, LBTT may arise before settlement.
That can have several practical effects:
- the effective date may be earlier than expected;
- the filing and payment deadline will run from that earlier date;
- the parties may need to notify a later completion as a further transaction, even if no extra tax is due beyond any increase in consideration;
- if the deal later falls away, a repayment claim may be needed.
In other words, the legal title may not yet have transferred, but LBTT can still already be in point.
How to analyse it
A sensible way to approach the issue is to ask these questions in order.
First, is this a contract that is intended to be completed by a conveyance? In a normal purchase, the answer will be yes.
Second, have missives been concluded in writing? That identifies when the contract was entered into, even though that is not usually the tax point for a standard purchase.
Third, has the contract been completed by conveyance? If yes, and there has been no earlier substantial performance, the effective date is completion.
Fourth, if there has not yet been completion, has there been substantial performance? Look at each possible trigger:
- Has the buyer, or someone connected with the buyer, taken possession of all or substantially all of the property?
- Has a substantial amount of the consideration been paid or provided?
- Has there been an assignation, sub-sale, or similar arrangement giving a third party the right to call for the conveyance?
Fifth, if substantial performance has happened, when exactly did it happen? That date becomes critical because it is the effective date for LBTT purposes.
Sixth, if the transaction is later completed, check whether there is any additional consideration beyond what was already taxed and whether a further notification is required.
Seventh, if the contract is abandoned, rescinded or annulled after substantial performance, consider whether a repayment claim is available and which statutory route applies.
If the contract is conditional, do not assume the condition delays the contract date. Revenue Scotland’s view is that a contract subject to suspensive conditions will usually still have its contract date when it was entered into, because it is binding from that point. That does not automatically mean LBTT is due then, but it can matter when working through the later rules.
Example
A buyer concludes missives to purchase a house. Settlement is due in four weeks. If nothing unusual happens, the effective date for LBTT is settlement.
Now change the facts. The seller allows the buyer to move into the property two weeks before settlement under the contract. If that amounts to the buyer taking possession of the whole, or substantially the whole, of the premises, the contract may have been substantially performed at that earlier point. In that case, the effective date may be the date the buyer took possession, not the later settlement date.
If settlement then goes ahead as planned, the later completion is treated separately, but additional tax would only arise to the extent the consideration on completion exceeds the amount already brought into charge.
If instead the deal collapses and is never completed, the buyer may be able to claim repayment of the LBTT paid on the substantially performed contract.
Why this can be difficult in practice
The main difficulty is that substantial performance is fact-sensitive.
Possession is not always clear-cut. A buyer may have limited access before settlement, or may occupy only part of the property. The legislation refers to possession of the whole or substantially the whole of the premises, so the exact nature and extent of occupation can matter.
The “substantial amount of the consideration” test is also not mechanical. Revenue Scotland expressly says there is no fixed percentage. That means advisers and taxpayers cannot safely rely on a simple numerical threshold. The amount paid, the structure of the deal, and the surrounding facts may all be relevant.
Sub-sale and assignation cases can also be technical. The guidance mentions an exception where sub-sale development relief applies, so not every onward arrangement will trigger the rule in the same way.
Conditional contracts are another area where readers often expect the condition to delay the tax analysis. The guidance suggests that, at least for contract date purposes, that is usually not how Revenue Scotland approaches a binding contract subject to suspensive conditions.
Finally, the rules for leases are not the same as the rules for purchases completed by disposition. It is important not to assume that the same treatment applies across both categories.
Key takeaways
- In an ordinary Scottish purchase, LBTT is usually triggered at settlement, not when missives are concluded.
- If the contract is substantially performed before completion, the effective date can move forward to that earlier date.
- Substantial performance is highly fact-sensitive, especially where early possession or early payment is involved.
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Useful article? You may find it helpful to read the original guidance here: Guidance on LBTT Contracts, Conveyance, and Substantial Performance Rules
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