Do I pay less Stamp Duty on a derelict or uninhabitable property?

Full answer

Whether a derelict or run-down property qualifies for non-residential (rather than residential) Stamp Duty Land Tax rates depends on a specific legal test about habitability at the point of purchase, not simply on how unpleasant or dated it looks. **Why the distinction matters** Residential SDLT rates (and any 3-5% additional property surcharge for second homes or company purchases) are generally higher than the rates for non-residential or mixed-use property. If a property genuinely does not qualify as 'suitable for use as a dwelling' at completion, it may instead be charged at the lower non-residential rates. **HMRC's high bar** HMRC and tribunal case law have consistently taken a strict view: a property lacking a kitchen, having no working bathroom, needing rewiring, or being generally dated or in poor decorative condition is NOT automatically uninhabitable for this purpose -- it must typically have serious structural issues (such as no roof, severe structural damage, or being genuinely dangerous to occupy) to be treated as non-residential. **Worked example** A buyer purchases a fire-damaged property with a partially collapsed roof and no functioning utilities, genuinely unsafe to live in without major structural work. This is a stronger candidate for non-residential SDLT treatment than a property that merely needs a new kitchen and bathroom, redecoration, and updated electrics, which would very likely still be treated as residential despite needing significant renovation spending. **Documenting the condition** Buyers seeking to argue for non-residential treatment should obtain a detailed structural survey and photographic evidence of the property's condition at the point of purchase, since HMRC can and does challenge these claims, sometimes years after completion, potentially resulting in an SDLT assessment plus interest and penalties if the claim is rejected. **Practical tip** Get specific SDLT advice from a solicitor or tax adviser experienced in this area before relying on an uninhabitability argument to reduce your SDLT bill, since HMRC scrutinises these claims closely and getting it wrong can be expensive well after completion.

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