Damp and mould: treat the complaint as a clock, not a lifestyle debate

The worst replies in private renting still start with "have you tried opening a window?" Sometimes ventilation is part of the picture. Sometimes the wall is wet because a gutter has been dumping rain into the cavity for two winters. You will not know which until you look, and you will not look if you treat the tenant as the problem.

Awaab's Law began in social housing after a child died. The private sector has been moving toward the same idea: serious hazards get a clock, not a debate. HHSRS already let councils act on category 1 hazards. The fines got uglier. The politics got louder. Your WhatsApp delay got harder to defend.

Condensation, leaks, and rising damp are not the same animal

Condensation loves cold corners, packed wardrobes, and drying clothes on radiators. Leaks love failed seals, gutters, and pipework. Rising damp is rarer than people think and gets blamed for sins it did not commit. A contractor who sells one product for every stain is not diagnosing. They are retailing.

You can still ask tenants to use the extract fan and not to block trickle vents. You cannot use lifestyle as a shield while black mould spreads behind a cot. If someone in the house has asthma, move faster, not slower.

What a grown-up response looks like

1. Acknowledge the report the same day, in the same channel you want to keep.
2. Inspect quickly, or send someone competent if you cannot.
3. Make it safe if there is a leak, a collapsed ceiling, or electrics at risk.
4. Clean and treat only after you understand the water source, or you are painting over a tap.
5. Write down the follow-up date, then actually follow up.

Why the repair trail matters more than a nice tone

Tone helps the relationship. Dates help the legal file. After the 2026 tenancy changes, tenants are less likely to leave just because the house feels grim. They can stay and complain, which is their right, and you will wish you had answered in week one.

Councils can still serve notices, and they can still bill you for work they do. Category 1 hazards are not a branding exercise. If a surveyor would wince, do not argue about boiling pans on Facebook.

Prevention that is not a lecture

Heat the property enough that walls are not soaking. Fix gutters in autumn. Service extractors. Leave instructions that a human can follow. In a vacant period, do not switch the heating off so hard that the plaster drinks moisture for six weeks.

Put the complaint in a maintenance record, not a chat stack. Informal threads collapse when you need the tenth photo and the date it arrived. Mould disputes are exactly that kind of fight.