When Is a Rental Property Unfit to Live In? The High Court Answers

A home does not have to be condemned or officially labelled dangerous before it may be legally unfit for human habitation. In Harvey and others v Heaver and another [2026] EWHC 1671 (KB), the High Court gave important guidance on how courts should assess a rented property’s condition under section 9A of the Landlord and Tenant Act 1985.

The judgment was handed down on 3 July 2026 and reported in commentary on 8 October. Its practical message for landlords is that the court looks at whether a property is reasonably suitable for occupation in its condition. A risk to health or safety can make it unfit, but so can sufficiently serious discomfort or inconvenience. A defect in one room may also affect the fitness of the home as a whole.

This article explains the decision, what it means for inspections and repairs, and how a landlord and tenant solicitors team can help with a housing-condition dispute. The section 9A framework discussed here applies to dwellings in England; Wales has a separate regime.

The test: reasonably suitable for occupation

Section 9A implies a covenant into many residential leases that the dwelling will be fit for human habitation when the tenancy begins and will remain fit during the tenancy. Section 10 sets out the assessment. It directs attention to matters including repair, stability, damp, ventilation, water supply, drainage and sanitary conveniences, as well as prescribed hazards.

The central question is whether the dwelling is so defective in one or more relevant matters that it is “not reasonably suitable for occupation in that condition.” The court assesses the property as it is, taking the relevant defects into account individually and together. The test does not mean that every repair issue makes a property unfit. The condition must be serious enough to cross the statutory threshold.

In Harvey, the court relied on established authorities, including Summers v Salford Corporation and Rendlesham Estates plc v Barr Ltd. It confirmed that fitness has two distinct dimensions:

1. Health or safety: ordinary occupation creates a risk of harm to occupants’ health or safety.
2. Comfort or convenience: conditions make the home unsuitable to occupy for a reasonable period without undue discomfort or inconvenience, even where a particular defect does not itself create a health or safety risk.

So, a landlord should not treat habitability as a question only of immediate physical danger. A home may fall short because the conditions substantially interfere with ordinary use and comfort.

No need for a Category 1 or 2 hazard

The High Court also clarified how the section 9A test relates to the Housing Health and Safety Rating System (HHSRS). A local authority’s finding of a Category 1 or Category 2 hazard may be strong evidence, but a tenant does not have to obtain such a finding to establish that a property is unfit under section 9A.

That distinction matters. The HHSRS is a tool used by local authorities to assess and enforce housing standards. The court’s private-law question is whether the home meets the section 10 fitness test. The two systems overlap, but they are not identical.

Section 10 includes prescribed hazards among the matters the court can consider. However, the absence of a formal HHSRS assessment, or of a Category 1 or 2 classification, is not, by itself, a defence to a fitness claim. A court may also find unfitness based on undue discomfort or inconvenience, even where the problem does not amount to a health or safety hazard.

A single defective room can affect the whole home

The judgment reaffirmed that unfitness is assessed by reference to the dwelling, not by asking whether every room is defective. A serious problem in one room can render the whole property unfit.

In Harvey, the evidence included widespread damp and moisture, a damaged ceiling containing asbestos in a bedroom, rodent infestation, and defects relating to drainage and heating. The court considered the condition in the round. It found the property unfit and concluded that the damp alone was sufficient on the evidence. The defective bedroom ceiling also presented a health and safety risk capable of rendering the home unfit independently.

That does not mean a localised defect will always make an entire dwelling unfit. The seriousness of the issue, its consequences for safe and reasonable occupation, and the property’s overall condition are all relevant. But landlords should not assume that a problem can be disregarded because it is confined to one room.

What landlords should do before and during a tenancy

The decision is a useful reminder that good property management begins before a tenant moves in. Landlords should take proportionate steps to identify existing problems and keep a reliable record of the property’s condition.

Before a tenancy begins:

• Inspect the property carefully, including bedrooms, ceilings, roof spaces where accessible, ventilation, heating and sanitary facilities.
• Record defects with dated photographs and clear written notes.
• Investigate signs of recurring damp, leaks, mould, pests or structural movement rather than treating visible symptoms alone.
• Arrange appropriate specialist advice where a defect may involve asbestos, structural safety, drainage or another technical issue.
• Complete necessary remedial work and retain invoices, reports and communications.

During a tenancy:

• Provide tenants with a clear route for reporting repairs and hazards.
• Acknowledge reports promptly, investigate the underlying cause and keep the tenant informed.
• Keep dated records of reports, inspections, repair instructions, access arrangements and completed work.
• Do not assume that damp or mould is simply the result of a tenant’s lifestyle. The cause and the landlord’s responsibilities need to be assessed on the facts.
• Prioritise urgent risks and consider whether temporary measures are needed while permanent work is arranged.

The section 9A fitness obligation does not set one universal repair deadline for every defect in a private tenancy. What is reasonable will depend on the nature and urgency of the problem and the work required. Separate legal duties may impose specific requirements in particular circumstances.

Awaab’s Law provides fixed timescales for specified hazards in the social rented sector in England. Its Phase 2 extension is due to start on 30 November 2026 for additional hazards in that sector. It does not mean those statutory deadlines already apply to ordinary private rented tenancies. The government opened a consultation on extending Awaab’s Law to private renting; the details and commencement date remain subject to the process. For a summary of the social-sector changes, see our Awaab’s Law Phase 2 guide for landlords.

Tenants: report defects clearly and keep evidence

Tenants concerned about a property’s condition should report each problem to the landlord or managing agent as clearly as possible. An email or text can create a useful record of what was reported and when. Include the property address, the defect’s location, when it began, whether it is getting worse, and any immediate safety concerns. Keep copies of messages, photographs, replies and repair appointments.

A clear written report is especially useful where notice of a defect is relevant to a repair claim. However, Harvey did not decide the broader question of whether notice is always required before a landlord can be liable under section 9A. The judge found it unnecessary to resolve that issue because the landlord had actual knowledge of the property’s present condition through the proceedings and expert evidence. Do not treat the decision as settling every notice question.

Tenants should not withhold rent or arrange substantial work at the landlord’s expense without taking advice first. The legal position and appropriate next steps depend on the tenancy, the defect, the evidence and any response from the landlord.

What remedies did the court order?

Where a court finds a breach of section 9A, it can order the landlord to carry out necessary work. In Harvey, the court ordered specific remedial works identified in the expert’s report because damages alone would not secure a habitable home.

The tenants also asked the court to require the landlord to provide or pay for temporary alternative accommodation while work was carried out. That request was refused on the evidence before the court. The judgment explains that private tenants do not have an equivalent freestanding “decant” right to some arrangements available in social housing. Depending on the circumstances, the cost of moving or alternative accommodation may instead form part of a damages claim.

A court’s decision on remedies depends on the evidence and the circumstances of the case. The judgment is not a guarantee that a particular tenant will obtain a specific order.

Practical takeaway

Harvey v Heaver confirms that the section 9A question is broader than whether a property is immediately dangerous or has been formally assessed by a local authority. Courts may consider health and safety, serious discomfort or inconvenience, and the combined impact of multiple defects. A single serious defect may also affect the fitness of the home as a whole.

For landlords, careful inspections, prompt investigation, effective repairs and good records can help reduce disputes and identify risks early. For tenants, clear reports and preserved evidence can make it easier to explain what is wrong and how the landlord responded.

The case is a significant guide to the statutory test, but whether a particular property is unfit remains a fact-specific legal question. Advice from experienced landlord and tenant solicitors can help landlords and tenants understand their position and decide what to do next.

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