Example of SDLT Calculation for Partnership Property Contribution and Mortgage

SDLT on transferring property into a partnership

When a partner transfers property into a partnership, SDLT is not always based on the cash paid or any mortgage. Special partnership rules can instead use the property’s market value and reduce the charge to reflect the partner’s continuing interest in the partnership, so SDLT may apply to only part of the value.

• If the transfer is into a partnership, the normal SDLT consideration rules may be replaced by special partnership rules.
• The calculation starts with the market value of the property, not simply the amount paid by the partnership.
• The transferor’s retained partnership share can reduce the amount charged, because they still hold an indirect economic interest.
• In the example, a partner transfers a property worth £1 million into a four-person partnership and keeps a 25% partnership share.
• Using the sum of the lower proportions, SDLT is charged on 75% of the market value, so the chargeable amount is £750,000.
• For this rule, the £500,000 payment and the £250,000 mortgage are ignored, but real cases can be more complex where shares differ or change.

Scroll down for the full analysis.

SDLT when a partner transfers property into a partnership: how the partnership rules can reduce the charge

This page explains a specific SDLT rule that applies when a person puts land or property into a partnership. The ordinary SDLT approach is not simply applied in the usual way. Instead, special partnership rules can treat part of the transfer as effectively remaining with the same economic owner, so SDLT may only apply to part of the property’s market value. The example here shows how that works.

What this rule is about

SDLT has special provisions for partnerships because a transfer of land into or out of a partnership is not always a straightforward sale to a separate person in the ordinary sense. A partner may still retain an indirect interest in the property through their share in the partnership.

The rule in this example deals with a partner who introduces property into the partnership. The key point is that SDLT is not charged simply by looking at the cash paid or any mortgage involved. Instead, the legislation uses a market value-based approach and then reduces the charge to reflect the transferor’s continuing partnership interest.

What the official source says

The official example involves four partners, A, B, C and D. Each has a 25% share in the partnership’s income profits. A transfers a property worth £1 million into the partnership. The property is subject to a £250,000 mortgage, and the partnership pays A £500,000.

Under the special partnership rules, SDLT is calculated by reference to the market value of the property and the sum of the lower proportions, often abbreviated to SLP. In the example, the SLP is 25. That means SDLT is charged on 75% of the market value, which is £750,000.

The source also makes an important point: for the purposes of the relevant rule, the actual consideration paid and any associated debt are ignored. So the £500,000 payment and the £250,000 mortgage do not determine the chargeable consideration under this calculation.

What this means in practice

When a partner transfers property into a partnership, SDLT may be charged on less than the full market value if that partner keeps an economic stake in the property through the partnership.

In this example, A owned the property outright before the transfer. After the transfer, A still has a 25% interest in the partnership profits. The rules therefore treat 25% of the property interest as effectively still attributable to A, and SDLT is only charged on the remaining 75%.

This is why the charge is based on £750,000 rather than:

• the full £1 million market value,
• the £500,000 actually paid by the partnership, or
• some figure based on the mortgage.

The practical consequence is that partnership transactions can produce a very different SDLT result from an ordinary sale. Anyone analysing the transaction needs to apply the partnership code rather than assuming the normal consideration rules will decide the answer.

How to analyse it

A sensible way to approach this kind of transaction is:

• Identify whether the transfer is one to a partnership and whether the SDLT partnership provisions apply.
• Establish the market value of the property being introduced.
• Work out the relevant partnership profit-sharing proportions used by the legislation.
• Calculate the sum of the lower proportions under the statutory method.
• Apply that fraction to determine how much of the market value is left out of charge and how much remains chargeable.
• Do not assume that cash paid to the transferor or debt secured on the property sets the SDLT chargeable consideration for this rule.

In the example given, the essential steps are simple:

• Market value: £1,000,000
• SLP: 25
• Chargeable proportion: 75%
• Amount charged to SDLT: £750,000

Example

Illustration: Four individuals are equal partners. One of them transfers a commercial property worth £1 million into the partnership. The property has a mortgage, and the partnership also pays that partner a substantial sum on the transfer.

Under the special partnership rule shown in the official example, SDLT is not worked out by adding the cash and mortgage together. Instead, the transaction is tested against market value and the transferor’s retained partnership share. Because the transferor still has a 25% stake in the partnership, SDLT is charged on only 75% of the market value, giving a chargeable amount of £750,000.

Why this can be difficult in practice

The official example is short, but real cases are often more complicated.

One difficulty is that the result depends on the statutory partnership calculation, including the sum of the lower proportions. That is a technical concept, and the answer may not be obvious where profit shares are unequal or have changed.

Another difficulty is that many readers expect SDLT to follow the money. In ordinary transactions, the amount paid and debt assumed often matter greatly. Under this partnership rule, however, the legislation can override that instinct and substitute a market value-based calculation instead.

It is also important not to generalise too far from this example. The example shows one application of the partnership rules. Different facts, different partnership shares, or different statutory provisions may produce a different result.

Key takeaways

• When property is transferred into a partnership, SDLT may be worked out under special partnership rules rather than ordinary consideration rules.
• In the example, SDLT is charged on 75% of market value because the transferor retains a 25% partnership interest.
• For this calculation, the actual payment made and the related mortgage are ignored.

This page was last updated on 24 March 2026

Useful article? You may find it helpful to read the original guidance here: Example of SDLT Calculation for Partnership Property Contribution and Mortgage

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