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SDLT Group Relief: A New Degrouping Risk

November 6, 2026
Hand placing a model house on land, illustrating property ownership

By Farhan Nagda FCCA MBA

A property group can move a building between companies and claim Stamp Duty Land Tax (SDLT) group relief, but that is not always the end of the tax story. Budget 2026 announced a targeted change to the rules that can withdraw the relief if the purchasing company later leaves the group. For groups planning a sale, liquidation or reorganisation, the sequence of steps now deserves particular attention.

What has changed?

Under the existing rules, group relief may be withdrawn if the purchaser and vendor cease to be in the same group within three years of the relieved land transaction. There is an exception where the separation results from winding up the vendor, or a company above it in the group structure. HMRC says that exception could otherwise be used to avoid a charge when the purchasing company is subsequently sold outside the group.

The Budget proposal adds a change-of-control test to that winding-up exception. If the exception applies but control of the purchaser changes within the three-year period, the earlier relief may be withdrawn. HMRC says the change applies to transactions with an effective date on or after 29 October 2026; the legislation is currently in draft and is intended for Finance Bill 2026–27. The final enacted wording should be checked before relying on it.

Why property groups should look beyond the transfer

Consider a group that transfers an investment property from Company A to Company B with group relief. Company A is then wound up and the shares in Company B are sold to an outside buyer within three years. The initial transfer may have appeared tax-neutral, yet the later control change is precisely the type of sequence the proposed rule targets. The SDLT exposure belongs in the deal model and the sale documentation, not just the original transfer file.

This does not mean every intra-group property transfer will trigger SDLT. The purchaser’s group status, the reason companies leave the group, the timing and the statutory exceptions still matter. Nor should an old signed contract automatically be assumed to fall within the new rule: the draft includes a limited pre-29 October 2026 contract protection, with exclusions for variations, assignments, options and certain sub-sales.

Three checks before a disposal or reorganisation

  1. Trace the property history. Identify group-relieved acquisitions in the preceding three years, their effective dates and the companies involved.
  2. Map ownership after each step. A liquidation, share sale or other change of control can alter the result even if the property itself does not move again.
  3. Quantify and allocate the risk. Model any potential withdrawal before heads of terms are fixed, and make sure the legal documents address who bears any SDLT cost and reporting responsibility.

Where Edge can help

Edge Accountants can review a property group’s transaction chain, test the SDLT group-relief position with the legal team and quantify a potential degrouping charge before a sale or restructuring is committed. That early review can prevent a tax cost being missed in the commercial price.

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General information as at 6 November 2026, not transaction-specific advice. Sources: HMRC tax information and impact note; draft legislation; Budget 2026 legislation overview.

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