LBTT Guidance on Lease Transfers Involving Partnerships and Chargeable Interest Calculation
LBTT on Leases Entering or Leaving a Partnership
Special LBTT rules apply when a lease moves into or out of a partnership. Instead of taxing the full lease value in the usual way, the tax charge is often reduced to reflect the partners’ existing interests in the partnership, using the “sum of lower proportions” (SLP).
- These rules cover cases where a partnership takes a lease as tenant or grants or transfers a lease to a partner.
- For rent, LBTT is charged on the normal net present value (NPV) of the rent, but only on the reduced proportion of (100 − SLP)%.
- If there is other consideration, such as a premium, the same reduced proportion is generally applied to the market value, which for a lease is treated as its capital value.
- A high SLP usually means a lower taxable amount, because more of the value is treated as already linked to the partners’ existing interests.
- A special rule can override this reduction where a lease is transferred from a corporate partnership to a body corporate that is or has been a partner and the SLP is at least 75; in that case, market value may be fully chargeable.
- In practice, the hardest part is often working out the SLP correctly, especially where partnership interests have changed or the deal is part of a wider restructuring.
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Read the original guidance here:
LBTT Guidance on Lease Transfers Involving Partnerships and Chargeable Interest Calculation

LBTT and leases moving into or out of a partnership
This page explains how Land and Buildings Transaction Tax (LBTT) applies when a lease is transferred into or out of a partnership. The rules are different from an ordinary lease transaction because the law adjusts the taxable consideration to reflect the partners’ existing economic interests in the partnership and, in some cases, in the property.
What this rule is about
Part 6 of schedule 17 to the Land and Buildings Transaction Tax (Scotland) Act 2013 contains special rules for partnership transactions. The source material here deals with cases involving leases, where the consideration is rent, or rent plus something else such as a premium.
The rule is aimed at two broad situations:
- a partnership takes a lease as tenant, or
- a partnership grants a lease to a partner, so the lease is moving out of the partnership.
In those cases, LBTT is not always charged on the full value that would apply in a normal lease transaction. Instead, the taxable amount is reduced by reference to the partners’ interests. The legislation does this through the concept of the sum of lower proportions, usually abbreviated to SLP.
What the official source says
The official guidance says that, for lease transactions involving a transfer into or out of a partnership, LBTT is charged on only a proportion of:
- the net present value (NPV) of the rent, and
- any other consideration, together with the market value of the lease where relevant.
For rent, the NPV is calculated in the normal way for LBTT. But only the relevant chargeable proportion of that NPV is taxed. That proportion is:
(100 − SLP)%
So if the SLP is higher, the taxable proportion is lower.
Where there is consideration other than rent, such as a premium, the source says the chargeable consideration is calculated in the same way as for other chargeable interests in land:
MV × (100 − SLP)%
Here, MV means market value. In the case of a lease, the guidance says this is taken to be the capital value of the lease.
The source also highlights a specific rule for transfers of a lease from a partnership where both parties are bodies corporate. If a lease is transferred from a partnership that is a body corporate to another body corporate that is or has been a partner, and the SLP is 75 or more, then the chargeable consideration is taken to be the market value of the interest transferred.
What this means in practice
In an ordinary lease transaction, LBTT on rent is based on the NPV of the rent over the lease term. If there is also a premium, that can also be chargeable. Partnership rules change that result.
The practical effect is that the law looks at how far the people involved already have an interest through the partnership structure. To reflect that, it taxes only part of the rent value and only part of any premium or other value element.
This matters because a transaction that appears to involve a full lease value may, under the partnership rules, be taxed on only a fraction of that amount.
It also means that you cannot analyse these transactions using only the normal lease rules. You need to identify whether the lease is moving into or out of a partnership and then work out the relevant partnership proportions.
How to analyse it
A sensible way to approach the issue is:
- Identify the transaction. Is the partnership becoming tenant, or is the partnership granting or transferring a lease to a partner?
- Work out whether the chargeable consideration consists of rent only, or rent plus something else such as a premium.
- Calculate the NPV of the rent in the usual LBTT way.
- Identify the SLP, because this determines how much of the value remains chargeable.
- Apply the reduced proportion: (100 − SLP)%.
- If there is non-rent consideration, consider the market value rule. For a lease, the guidance says market value is the capital value of the lease.
- Check whether the special corporate rule applies, especially if the transfer is from a corporate partnership to a body corporate that is or has been a partner and the SLP is at least 75.
The key question throughout is not simply “what is the lease worth?” but “what proportion of that value is actually chargeable after taking account of the partners’ lower proportions?”
Example
This is only an illustration of the mechanics described in the source.
A partnership enters into a lease as tenant. The NPV of the rent, calculated under the normal LBTT lease rules, is £200,000. Assume the SLP is 40. The chargeable proportion is therefore 60%.
LBTT on the rent element is worked out by applying the lease tax rules to £120,000, not to the full £200,000.
If there is also a premium or other non-rent value, the same percentage reduction is applied to the relevant market value amount, unless a special rule displaces that result.
Why this can be difficult in practice
The source material gives the formula, but not the full detail of how SLP is derived. In practice, that can be the hardest part. The answer depends on the partnership interests and the identities of the parties involved. If those interests have changed over time, or if the transaction is part of a wider restructuring, the calculation may not be straightforward.
Another difficulty is that lease transactions have two different value concepts:
- rent, taxed by reference to NPV, and
- non-rent consideration, which may require a market value approach.
That means the transaction has to be broken down carefully. It is easy to assume that only the rent matters in a lease, but the source makes clear that other consideration must also be considered.
The special rule for transfers involving bodies corporate is also important because it can override the expectation that a high SLP will reduce the chargeable amount. Where that rule applies, the chargeable consideration is taken to be the market value of the interest transferred.
Key takeaways
- Lease transactions into or out of a partnership are not taxed in the same way as ordinary leases.
- The taxable amount is generally reduced by applying the formula (100 − SLP)% to the rent value and to any non-rent value.
- A separate market value rule can apply where a lease is transferred from a corporate partnership to a body corporate that is or has been a partner and the SLP is 75 or more.
This page was last updated on 24 March 2026
Useful article? You may find it helpful to read the original guidance here: LBTT Guidance on Lease Transfers Involving Partnerships and Chargeable Interest Calculation
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