Is your landlord responsible for mould in your flat?
Direct answer
Mould may engage the landlord's repair or fitness duties when it results from disrepair, leaks, fixed heating or ventilation problems, or an unfit condition. Responsibility, knowledge where required, access, cause, response, and loss remain evidence-dependent. Report it in writing, photograph it, explain any health or safety impact, and ask for inspection. The council can assess housing hazards; the checker cannot assign an HHSRS category or decide liability.
What the law says
Section 11 of the Landlord and Tenant Act 1985 requires the landlord to repair the structure and exterior and the installations for heating, water, and sanitation. Mould caused by leaking roofs, defective gutters, penetrating damp, rising damp, defective windows, failed extractor fans, or heating failures is therefore the landlord's repair responsibility. Section 9A of the same Act requires the home to be fit for human habitation throughout the tenancy.
The Homes (Fitness for Human Habitation) Act 2018 made the fitness duty enforceable by tenants. Damp and mould are also assessed under the Housing Health and Safety Rating System in Part 1 of the Housing Act 2004. The council can inspect and select enforcement action under that Act. Awaab's Law's fixed timescales currently apply within the commenced social-housing regime; no private-rented-sector commencement date has been announced.
Step-by-step: what to do
1. Photograph the mould close up and from the whole room. Add dates and repeat photos after cleaning or after rain.
2. Report it in writing to the landlord or agent. Describe where it is, when it appeared, and whether there are leaks, cold walls, condensation, broken fans, or heating problems.
3. Ask for an inspection and written plan, not just advice to open windows. Cause and responsibility are evidence-dependent, so record any leak, insulation, heating, or ventilation indicators without guessing.
4. Keep health evidence if anyone has asthma, breathing problems, skin irritation, or sleep disruption. Ask your GP to record symptoms.
5. If the landlord does not act, complain to Environmental Health and ask for a Housing Act 2004 inspection.
Common mistakes to avoid
Do not treat a blanket allegation about lifestyle as a concluded cause. Property condition, heating, insulation, ventilation, occupancy, access, and independent evidence may all matter. Do not rely only on cleaning products where the underlying condition persists. Report promptly and photograph damaged belongings before disposal.
- Do not let the landlord treat repainting as the only remedy.
- Do not ignore broken extractor fans or heating faults.
- Do not clean before taking dated photos.
- Do not wait for winter to end before escalating health risks.
Related guidance
- Damp and mould checker
Check whether the mould triggers repair, fitness, or council enforcement rights. - Damp and mould tenant rights
Repair duties, fitness claims, council action, and health evidence. - Awaab's Law explained
How damp and mould response duties work and what deadlines mean. - The landlord is not fixing damp and mould
Escalation steps when complaints are ignored.
Sources used for this guide
These are primary legislation and public guidance sources that support the legal-information framework used on this page.
- Landlord and Tenant Act 1985
Primary statute for core landlord repair duties, including structure, exterior, installations, heating, water, gas, and sanitation. - Homes (Fitness for Human Habitation) Act 2018
Primary statute adding a fitness-for-human-habitation duty for rented homes in England. - Housing Act 2004
Primary statute for tenancy deposit protection, HMO licensing, and local authority housing hazard enforcement. - GOV.UK: repairs in private renting
Government guidance on landlord repair responsibilities and what tenants can do when repairs are not carried out. - Shelter England: repairs
Independent housing charity guidance on repair duties, evidence, and escalation when a landlord does not act. - GOV.UK Awaab's Law guidance for social landlords
Official Awaab's Law guidance for social housing timeframes, useful context where private rented sector pages explain which deadlines are not yet fully commenced for PRS tenancies.
Common questions
- Is your landlord responsible for mould in your flat?
- Mould may engage the landlord's repair or fitness duties when it results from disrepair, leaks, fixed heating or ventilation problems, or an unfit condition. Responsibility, knowledge where required, access, cause, response, and loss remain evidence-dependent. Report it in writing, photograph it, explain any health or safety impact, and ask for inspection. The council can assess housing hazards; the checker cannot assign an HHSRS category or decide liability.
- Can the landlord blame me for mould?
- Tenant behaviour can be relevant, but it does not decide causation by itself. Building condition, ventilation, heating, leaks, insulation, occupancy, access, and independent evidence may all matter.
- Does the landlord have to remove mould?
- A landlord may have to remedy the underlying condition where mould results from an applicable repair breach or makes the home unfit. That conclusion depends on evidence, notice or knowledge where required, access, and reasonable opportunity to act.
- Can Environmental Health help with mould?
- Yes. The council can inspect under Part 1 of the Housing Act 2004 and require the landlord to deal with damp and mould hazards.
- Can I claim compensation for mould?
- A claim may seek damages if duty, breach, causation, and loss are proved. The court assesses loss of amenity and any proven property, expense, or health-related loss on the evidence.
Is this legal advice?
This is legal information for renters in England, not legal advice. If you need advice on your specific facts, contact Shelter (0808 800 4444), Citizens Advice, your council, or a housing solicitor.