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Uninhabitable Dwelling Guide

Warning: if you are considering making an SDLT refund claim, please read the refunds guide at this link first.

The guide below is intended to give you a realistic idea of when you can treat a property as uninhabitable for stamp duty. There is an important difference between a dilapidated house in need of renovation and a truly uninhabitable dwelling as the case law decisions mentioned below make clear.

Be careful of SDLT refund claims companies who make claims for homes that are in need of repairs but which are not actually uninhabitable. These companies rely on HMRC’s “process now, check later” process, where the refund will be issued up front and the company’s commission deducted but in 9 months’ time, HMRC may open a check into the claim and ask for the full refund back. You could then be left with having to pay the full refund back to HMRC with interest, a possible penalty and chasing the claims company for repayment of the commission they deducted from the refund.

At Cannon Chambers, we only make refund claims that we believe meet the strict criteria for an uninhabitable dwelling and we do not charge success fees or commission.

Stamp Duty Land Tax (SDLT) is a tax on the purchase of a property in England and Northern Ireland. One important feature of this tax is that the purchase of an uninhabitable dwelling qualifies for reduced rates of SDLT with a top rate of 5% compared with a possible 17% if the property is regarded as a residential property.

Deciding what constitutes an uninhabitable dwelling can be a complex matter in view of the inconsistent case law decisions on the point and is best handled by an experienced tax lawyer rather than a conveyancer or an SDLT claims company. It is important to know whether a claim for the purchase of an uninhabitable dwelling can be made at the time of purchase so that the reduced rates of stamp duty are indicated in the SDLT return by your solicitor or conveyancer and the reduced amount of SDLT paid.

Alternatively, buyers may have paid stamp duty at full residential property rates and then discover that they were eligible for the reduced rates of SDLT only after their purchase and seek to claim back part of their tax payment from HMRC by amending their return and making an SDLT refund claim for an uninhabitable dwelling.

If you are seeking advice on whether a property is uninhabitable, contact us using the form on this page.

What this uninhabitable dwelling guide covers

This guide to uninhabitable and dilapidated dwellings sets out the main criteria that need to be satisfied in order to claim the reduced non-residential rates of stamp duty or to make a stamp duty refund claim to HMRC for an uninhabitable dwelling. For each criterion, the guide sets out the relevant HMRC published guidance and then what recent tax tribunal decisions have had to say about these points. You can use the column in the centre of the chart to record notes about the relevant features of the properties you are buying to help you decide if it might qualify as an uninhabitable dwelling.

Last updated 19th July 2023
Criteria HMRC Published Guidance Facts Case Law
Not suitable for use as a dwelling

SDLTM00385: Whether a property has deteriorated or been damaged to the extent that it no longer comprises a dwelling is a question of fact and will only apply to a small minority of buildings. A property might not be considered “suitable for use” as a dwelling (sometimes referred to as uninhabitable) on the basis that it has been damaged to the extent that normal repair work, replacement or modernisation cannot resolve the issues.

However, there is a clear distinction between a derelict property and a dwelling that is in need of modernisation, renovation or repair, which can be completed without first addressing structural defects that would make the property dangerous to work on and or live in. If the building was used as a dwelling at some point previously, it is fundamentally capable of being so used again (there being no lack of structural or other physical integrity preventing this). If permission to use as a dwelling continues to exist at the effective date of transaction, a building will be considered suitable for use as a dwelling, even if not ready for immediate occupation. SDLTM00385

48 (1). So, the draftsman has contemplated a situation where a property requires change, and has extended the definition (only) to a situation where the process of such construction or adaption has already begun. This strongly implies that a property is not suitable for use within paragraph 7(2)(a) if it merely has the capacity or potential with adaptations to achieve that status. Second, SDLT being a tax on chargeable transactions, the status of a property must be ascertained at the effective date of the transaction, defined in most cases (by section 119 FA 2003) as completion. So, the question of whether the property is suitable for use as a single dwelling falls to be determined by the physical attributes of the property as they exist at the effective date, not as they might or could be. A caveat to the preceding analysis is that a property may be in a state of disrepair and nevertheless be suitable for use as either a dwelling or a single dwelling if it requires some repair or renovation; that is a question of degree for assessment by the FTT. Upper Tribunal Fiander

50. It is clear that there is a degree of disrepair that will result in a property, which may otherwise resemble and meet the requirements for (and indeed have been previously used as) a dwelling, not being suitable for use as a dwelling. However, a significant degree of disrepair is required. Although suitability is tested on the effective date, “suitable for use” on the effective date does not mean suitable for immediate use and occupation (“ready to move in”) on that date. There is, as it were, a margin of appreciation, a degree to which a property can fall short of being ready for an occupier to move in without the property ceasing to be suitable for occupation as a dwelling. Disrepair which can be cured (things which are not fundamental but which need fixing, as the FTT put it in Fiander) is not enough, nor is it necessarily enough that there is a feature of the property which makes it potentially more dangerous to inhabit than one would normally expect (unsuitable and potentially dangerous cladding is the example from Fish Homes Ltd).

53. Pulling all of this together, I consider that a building which was recently used as a dwelling, has not in the interim been adapted for another use and is capable of being so used again (a building, such as the one in Bewley, the defects in which cannot be put right at all, will not be capable of being so used) will count as a dwelling, even though it is not ready for immediate occupation, unless the reason/s why it is not ready for immediate occupation are so fundamental (being radioactive or at high risk of collapsing, for example) that the work required to put these problems right goes beyond anything that might ordinarily be described as repair, renovation or “fixing things” (examples of this sort of work being installing a new boiler or heating system, damp problems or floors needing replacing).

54. I accept that the state of the gas and electrics and aspects of the water supply (including the need for a new boiler house roof) made the Property too dangerous for a reasonable person to occupy immediately, but the works required to put those problems right were not fundamental and were much closer to the new boiler/heating system/curing damp/new flooring end of the spectrum than the radioactive house/dangerous structure/potentially collapsing walls end. Mudan

Repairs, renovations and other non-fundamental issues

SDLTM00385: Examples of repairs, renovations and issues that will not make a property unsuitable for use as a dwelling include, but are not limited to:

  • The temporary removal of bathroom or kitchen facilities before sale.
  • Substantial repairs required to windows, floors, or a roof.
  • Replacement boiler and pipework or
  • Unsafe electrical wiring.
  • The need to switch services back on.
  • An infestation of pests.
  • Damp proofing required or plasterboard damage.
  • Flood damage.

These are all common issues which can be rectified relatively quickly and constitute common improvements and/or maintenance attached to residential properties. They do not constitute structural changes to the dwelling that would mean the building is no longer suitable for use as a dwelling. SDLTM00385

62. But I accept that some defects in what could otherwise be a dwelling or suitable for use as such would mean that it is not so. Defects which make it dangerous to live in fall within that category but such danger must in my view be such that a reasonable person would say ""it's too dangerous to live there"". Some risks to health and safety may fall into this category: high radioactive pollution, the high probability of walls collapsing, and the kind of hazards which would spur a local authority to issue a prohibition notice restricting the use of the premises. Fish Homes Ltd

43. As to (6) whether it could be renovated and occupied as a dwelling is not relevant. The test set out clearly in paragraph 18(1)(a) Schedule 4ZA is whether it was “suitable” to be used as a dwelling at the time of purchase: it is not whether it was capable of becoming so used in the future.” PN Bewley Ltd

Fundamental issues with the building

SDLTM00385: Examples of when a property will be considered not suitable for use as a dwelling include:

  • Where repair work cannot be undertaken safely because of high levels of asbestos that cannot be removed without deconstructing the property.
  • Where there is high radioactive pollution present.
  • Where there is a high probability of walls collapsing.
  • Where there are hazards present that would cause a local authority to issue a prohibition notice restricting use of the premises. SDLTM00385

62. But I accept that some defects in what could otherwise be a dwelling or suitable for use as such would mean that it is not so. Defects which make it dangerous to live in fall within that category but such danger must in my view be such that a reasonable person would say "it's too dangerous to live there". Some risks to health and safety may fall into this category: high radioactive pollution, the high probability of walls collapsing, and the kind of hazards which would spur a local authority to issue a prohibition notice restricting the use of the premises. Fish Homes Ltd

43. As to (6) whether it could be renovated and occupied as a dwelling is not relevant. The test set out clearly in paragraph 18(1)(a) Schedule 4ZA is whether it was “suitable” to be used as a dwelling at the time of purchase: it is not whether it was capable of becoming so used in the future.” PN Bewley Ltd

53. Pulling all of this together, I consider that a building which was recently used as a dwelling, has not in the interim been adapted for another use and is capable of being so used again (a building, such as the one in Bewley, the defects in which cannot be put right at all, will not be capable of being so used) will count as a dwelling, even though it is not ready for immediate occupation, unless the reason/s why it is not ready for immediate occupation are so fundamental (being radioactive or at high risk of collapsing, for example) that the work required to put these problems right goes beyond anything that might ordinarily be described as repair, renovation or “fixing things” (examples of this sort of work being installing a new boiler or heating system, damp problems or floors needing replacing).

54. I accept that the state of the gas and electrics and aspects of the water supply (including the need for a new boiler house roof) made the Property too dangerous for a reasonable person to occupy immediately, but the works required to put those problems right were not fundamental and were much closer to the new boiler/heating system/curing damp/new flooring end of the spectrum than the radioactive house/dangerous structure/potentially collapsing walls end. Mudan

Important Disclaimer

This guide is subject to changes in law and practice and is intended to provide general guidance only and should not be relied on as providing legal, tax or accounting advice. This guide should not be used as a basis for acting or refraining from acting in any particular matter, and users should take their own specific professional advice before doing so. No liability or responsibility can be accepted for any loss arising as a result of this guide, and users should only proceed on this basis.

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