Complaint Letter to Landlord About Damp and Mould
Write a formal complaint letter that your landlord cannot ignore. Personalised to your property, your situation, and your tenancy. Free preview included.
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Damp and mould are among the most common complaints from tenants in the UK, and among the most ignored. A formal written complaint changes that. It puts your landlord on notice, creates a dated record, and makes clear that you know your rights and are prepared to act on them.
When to use this letter
- Your rented property has significant damp or mould affecting rooms you use regularly.
- You have already mentioned the problem to your landlord verbally and nothing has been done.
- The issue has been present for several weeks or months without any inspection or remedial work.
- The damp is causing health concerns, damage to belongings, or preventing you from using part of the property.
- You want a formal written record before reporting the issue to your local council's Environmental Health team.
What a damp and mould complaint letter looks like
A short sample — your letter will be personalised to your specific details and situation.
[Your Name] [Your Address] [Date] [Landlord's Name or Letting Agency] [Landlord's Address] Re: Formal Complaint Regarding Damp and Mould at [Property Address] Dear [Landlord's Name / Sir or Madam], I am writing to formally notify you of a serious disrepair issue at the above property, which I have occupied since [tenancy start date]. There is significant damp and mould affecting [describe location: e.g. the main bedroom ceiling, the bathroom walls, the kitchen]. The problem was first noticed in [month and year] and has continued to worsen despite [any steps already taken or previous contact]. This issue is causing [describe the impact: health concerns, damage to belongings, inability to use part of the property]. I reported this to you on [date or dates] and have not received a satisfactory response or any confirmation that repairs will be carried out. As my landlord, you have a legal duty to maintain the property in a habitable condition. I am formally requesting that you arrange an inspection and carry out the necessary remedial work within 14 days of the date of this letter. If this matter is not resolved within that timeframe, I will consider escalating to the local council's Environmental Health department and seeking further advice on my options as a tenant. Yours sincerely, [Your Name]
Sample only. Your letter is written from the specific facts, dates, and names you provide.
How it works
Add your details
Tell us who it's from, who it's to, and the key facts of your situation. Rough notes are fine.
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What makes this letter effective
The more detail you provide, the stronger your letter will be.
Describe the damp in detail
Note which rooms are affected, how large the area is, whether there is visible mould, condensation or a damp smell. The more specific you are, the harder it is to dismiss.
Include the dates you first reported it
If you have previously mentioned the problem to your landlord verbally or in writing, include those dates. It shows the landlord had notice and failed to act.
Note the impact on you
Health effects, damage to clothing or furniture, rooms you cannot use comfortably. This is relevant if the matter is later escalated.
Set a clear deadline
14 days is standard and reasonable. Stating a deadline shows you are organised and prepared to take further steps.
Common mistakes to avoid
These are the errors that most often weaken an otherwise strong letter.
Describing the damp too generally
Specify which rooms are affected, how large the area of mould is, and whether there is a damp smell, visible spores, or damage to walls and ceilings. Specific detail makes the complaint far harder to dismiss.
Not including when you first noticed or reported it
The date you first became aware of the problem, and the date you reported it to the landlord, are important facts. They establish how long the landlord has been aware and had the opportunity to act.
Failing to mention the impact on you
Health effects, damage to clothing or furniture, or rooms you cannot use comfortably — these are relevant to how seriously the landlord and any third party is required to treat the complaint.
Setting no deadline for inspection or repair
14 days is a reasonable and standard starting point for a non-emergency repair. A clear deadline shows you are organised and prepared to escalate if no action is taken.
Frequently asked questions
Landlords in England and Wales are required to keep rental properties free from serious hazards under the Homes (Fitness for Human Habitation) Act 2018. They are also required to maintain the structure and exterior of the property under the Landlord and Tenant Act 1985. Significant damp and mould can constitute a serious hazard, particularly where it affects health.
14 days is a widely used and reasonable timeframe for non-emergency repairs in rental properties. For more urgent issues involving health risks, a shorter deadline is appropriate. State your deadline clearly in the letter and note that you will escalate if no action is taken.
If your landlord fails to respond or carry out repairs after receiving a formal letter, you can report the issue to your local council's Environmental Health department. They can carry out inspections under the Housing Health and Safety Rating System and require the landlord to act. Keeping a written record of all contact with your landlord is important at this stage.
Email is usually sufficient and gives you a time-stamped record. For more serious situations, sending a copy by recorded post as well provides additional evidence that the landlord received your complaint. Keep copies of everything you send.
Other options if you are not ready to generate instantly
Some people prefer to check wording, tone, or get human help before sending an important letter. These options can help without replacing the instant generator.
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