Can Damp and Mould Affect Your Health and Mental Wellbeing?
Living with damp and mould is not only about what a wall looks like.
Living with damp and mould is not only about what a wall looks like.
It can mean worrying about breathing the air in your bedroom, checking the backs of furniture, rewashing clothes that smell damp, keeping children away from a wall, spending more to heat the property and feeling embarrassed about inviting people into your home.
Your home is supposed to be the place where you switch off. When the home itself becomes the source of worry, the impact can extend well beyond the physical defect.
There are recognised physical health risks
Government health guidance says damp and mould mainly affect the airways and lungs but can also affect the eyes and skin.
Possible effects include respiratory symptoms, infections, allergies and asthma. Some people are more vulnerable, including children, older people and people with certain existing health conditions.
If you have symptoms that concern you, seek healthcare advice rather than trying to diagnose from the mould alone.
Mental wellbeing can be affected by the way you have to live
Housing problems can create persistent vigilance.
You may repeatedly check whether mould has returned, worry whenever a child coughs, avoid using a room or feel angry each time rent leaves your bank account while the problem remains.
Sleep can be disrupted. Couples can argue about heating, ventilation, money or whether to complain again. Children may lose space to sleep, study or play.
These are real consequences of living with unresolved conditions.
The financial impact can amplify the stress
A damp home can generate secondary costs.
You may run heating for longer, use a dehumidifier, wash more frequently, replace clothes or furniture, travel to stay elsewhere or lose working time dealing with inspections and repairs.
Keep reasonable records of actual additional expenditure if the conditions are unresolved. Financial loss can be relevant to a housing-conditions claim in appropriate circumstances.
You do not need a medical certificate before the landlord investigates
Current government guidance is explicit that landlords should not delay action on damp and mould while waiting for medical evidence or opinion.
Report the condition and explain any health concerns.
Medical evidence may later become relevant if somebody is asserting that housing conditions caused or worsened an illness, but it should not be used as a reason to postpone dealing with the underlying housing problem.
When health consequences and legal rights overlap
The Housing Conditions Pre-Action Protocol recognises that a civil claim about poor housing can sometimes contain a related personal-injury element.
A claim might therefore involve several different issues: the need for repairs, compensation for living with poor conditions, financial losses and, where properly evidenced, injury or illness.
Those elements require evidence and individual legal assessment. They should not be assumed simply because mould is present.
Record impact, not just mould
If the problem persists, a useful record may include:
where and when mould appears;
reports made to the landlord;
photographs over time;
rooms that cannot be used normally;
damaged possessions;
additional expenditure;
health appointments or symptoms; and
the effect on sleep, children, work and family life.
The aim is accuracy, not building a dramatic story.
Getting support on both sides of the problem
Housing advice can help with the property and your legal rights.
Healthcare support can address symptoms.
Mental-health support can help if prolonged housing stress is affecting anxiety, sleep, mood or relationships.
And where a landlord has known about serious poor conditions but failed to resolve them, independent housing-law advice can explain whether repairs, compensation or a related claim may be available.
Last reviewed
6 September 2026
Important informationThis guide provides general information only and does not constitute legal or medical advice. Housing rights and legal remedies depend on the type of tenancy, landlord, location, the condition of the property and individual circumstances. Where housing conditions are affecting health, safety or legal rights, check current official information and consider advice from an appropriately qualified housing adviser, healthcare professional or legal professional.