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Guide

Landlords and damp: who is responsible?

Landlord damp duties

Landlords are responsible for the condition of the property, including adequate ventilation and heating, and serious damp and mould can be a hazard councils act on. Tenants must use the home reasonably, but reliable ventilation that cannot be switched off settles most disputes.

What does the law say in England?

Damp and mould is assessed under the Housing Health and Safety Rating System, and councils can require landlords to fix serious hazards. Social landlords also have Awaab's Law timescales.

What about Wales, Scotland and Northern Ireland?

Wales uses the fitness for human habitation rules under the Renting Homes Act; Scotland uses the Repairing Standard for private lets; Northern Ireland has its own fitness and repair duties.

What should a landlord do when a tenant reports mould?

Inspect promptly, find the cause, fix ventilation or building defects, and keep records of what was done.

What ventilation works best in rentals?

Humidity-controlled or continuous extract fans in every wet room and, where condensation is widespread, a PIV unit.

How do I evidence the work?

Keep photos, product details and measured airflow for each fan in the property file.

Ventilation Contractors technical team
Written for homeowners, landlords and building managers. Last reviewed 9 November 2026.

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