SDLT And Uninhabitable Property After Mudan v HMRC

For UK tax, “uninhabitable” is a very high bar and most run‑down houses still count as dwellings.

  • Poor condition (damp, unsafe electrics, no kitchen, major repairs) usually does not change SDLT or CGT treatment.
  • It must be more like a ruin or fully converted to another use before it stops being a dwelling.
  • Surveyor comments like “uninhabitable” rarely persuade HMRC on their own.
  • Next steps: gather photos/reports from the time, and get advice from a property tax specialist before making any tax claim.

Scroll down for the full analysis.

Nick Garner

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Attached image received by email: no tax question was included

Introduction

Sometimes an email chain or attachment is forwarded without the underlying tax question or explanation. In that situation, there is no reliable factual scenario to analyse and no safe public-facing answer to give on stamp duty land tax or any other tax point.

Here, the source material contains only an automated forwarding trail and an indication that an image was attached. It does not include the client’s actual question or Nick’s substantive reply on the legal issue. That means there is no identifiable tax problem to restate or explain.

The Question

No substantive question was provided in the source material. The only information available is that an image was attached to an email.

Nick’s Explanation

No substantive explanation was included in the source material. The text available contains only administrative email content and general contact or promotional wording, which has no bearing on a legal or tax analysis.

The Law

Because no factual tax issue was supplied, it is not possible to identify the relevant legislation, HMRC guidance, or case law with sufficient accuracy.

Tax analysis depends on the precise facts. For example, in stamp duty land tax matters, the answer can change depending on matters such as:

  • whether the property is residential, mixed-use, or non-residential;
  • whether the buyer already owns another dwelling;
  • whether the transaction is a replacement of a main residence;
  • whether the property was suitable for use as a dwelling on the effective date of the transaction;
  • whether multiple dwellings relief, linked transactions, or company purchase rules are in point; and
  • the completion date and the legislation in force at that time.

Where a reader is considering whether a property was uninhabitable or not suitable for use as a dwelling, it is important to note that the threshold is now relatively high following Amarjeet and Tajinder Mudan v The Commissioners for HMRC [2025] EWCA Civ 799.

Analysis

There is nothing in the supplied material that allows a proper step-by-step legal analysis. A sound tax answer would normally require, at minimum:

  • a clear description of the transaction;
  • the date of completion or other effective date;
  • the nature of the property or land involved;
  • the ownership position before and after the transaction;
  • the consideration paid and any linked arrangements; and
  • the specific point the reader wants answered.

Without those facts, any conclusion would be speculative and potentially misleading.

Outcome

No legal conclusion can properly be drawn from the material provided. The source text does not contain a tax question or a reasoned answer that can be turned into a public article.

Practical Steps

If you want a usable public-facing article on the issue, the following source material is needed:

  • the client’s original question in full;
  • Nick’s substantive reply in full;
  • any relevant factual background, with private details removed or capable of anonymisation; and
  • any legislation, HMRC guidance, or case authorities referred to in the reply.

Once that information is available, it can be rewritten into a clear article covering the facts, the law, the analysis, and the practical outcome.

Conclusion

The supplied text contains no substantive tax query and no substantive legal explanation. As a result, there is no proper basis for a public article answering a stamp duty or other tax question.

Legal References Used

  • Amarjeet and Tajinder Mudan v The Commissioners for HMRC [2025] EWCA Civ 799

This page was last updated on 22 March 2026.

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Nick Garner

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