Damp Survey for Tenants — Your Rights and What to Do

Damp and mould in a rented home is not something you should have to live with — and increasingly, it’s not something your landlord can ignore. Here’s what you need to know about your rights, what evidence helps, and when an independent survey is useful.

Your landlord’s obligations

Under the Homes (Fitness for Human Habitation) Act 2018, landlords must ensure rented properties are fit for human habitation at the start of a tenancy and throughout. Serious damp or mould that affects your health or comfort can make a property unfit.

Under Awaab’s Law (Social Housing (Regulation) Act 2023), social housing landlords must investigate reported damp and mould within a set timeframe and fix emergency hazards within 24 hours. The Renters’ Rights Act 2025 is extending equivalent duties to private landlords.

In short: if you’ve reported damp or mould to your landlord and they haven’t acted within a reasonable timeframe, they may be in breach of their legal obligations.

How to document the problem

Before escalating a complaint, build a clear record:

• Report it in writing — email your landlord or letting agent so there’s a dated paper trail. Keep copies of all correspondence.
• Photograph everything — date-stamped photos of mould growth, damp patches, peeling wallpaper, and water ingress. Show the extent, not just the worst spots.
• Log when you reported it — the date of your first report matters if the case escalates. If Awaab’s Law applies, the landlord’s investigation window starts from this date.
• Note any health impacts — respiratory problems, asthma, allergies or skin conditions that began or worsened since the damp appeared are relevant if you make a claim.

When an independent survey helps

If your landlord is disputing the cause of the damp — claiming it’s condensation caused by your lifestyle rather than a structural defect they’re responsible for — an independent survey can provide objective evidence.

A professional survey produces calibrated readings (moisture levels, temperature, humidity, dew point) and a written report identifying the cause. That report carries far more weight with a housing officer, tribunal or solicitor than photos and written complaints alone.

Common situations where tenants commission surveys:

• The landlord claims the mould is caused by tenant behaviour, but you believe there’s a structural issue (poor ventilation, cold walls, defective guttering)
• You’re preparing a formal complaint to the council’s housing enforcement team or the Housing Ombudsman
• You’re considering a disrepair claim and need expert evidence of cause and condition
• Your landlord has arranged a survey by a company that also sells treatments — and you want an independent second opinion

What the survey covers

• Calibrated moisture readings throughout the affected areas
• Temperature, relative humidity and dew point measurements
• Assessment of ventilation provision against Approved Document F
• Identification of cause — condensation, penetrating damp, rising damp, or plumbing fault
• Written report you can share with your landlord, a solicitor, or a tribunal

Try our free self-diagnosis tool first

If you want a first-pass assessment of what might be causing the damp in your home before booking a survey, our free Damp Self-Diagnosis Tool walks you through the common symptoms and gives you an indication of the likely cause.

Useful resources

• Report to your local council’s housing enforcement team if your landlord doesn’t act — they can issue improvement notices
• The Housing Ombudsman (social housing) and the Property Ombudsman (private letting agents) handle formal complaints
• Shelter and Citizens Advice both provide free guidance on housing disrepair rights