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Tenant Maintenance - Preventing Condensation


Tenant Maintenance – One of the most common causes of debate and contention in relation to rental property inspections and check outs is the issue of condensation and mould. This is a problem most likely caused through lack of ventilation of a property.

Many tenants report dampness issues to Landlords and Agents which turn out to be condensation. This happens when warm air comes into contact with a colder surface and airborne moisture forms water droplets.

This is a common issue, particularly in bathrooms, en-suites and kitchens and if left to build up can lead to the appearance of black mould which can be difficult to remove. Mould is most likely to occur on the inside of external walls, in the corners of rooms, on window frames and behind wardrobes and furniture placed close to walls.

It is generally a Tenant’s responsibility to take all reasonable steps to ensure adequate ventilation of a property to prevent condensation build up. If any condensation develops, the tenant is expected to wipe down and clean the affected surfaces regularly to prevent mould growth and other associated damage that can be caused to window frames, walls, ceilings and floors.


  • Open a window and use any extractors when cooking and keep lids on saucepans.
  • Leave a bathroom or en-suite window open and keep an extractor fan running for at least 15 minutes after taking a bath or shower.
  • Keep the bathroom door shut when having a bath or shower.
  • Do not block air vents or airbricks in external walls.
  • Open windows throughout the house for a few minutes regularly (preferably daily) to ensure adequate airflow through the house.
  • Leave some background heating on during cold weather spells.
  • Do not cover radiators or storage heaters with damp clothes or washing.
  • If storing items or placing furniture against external walls, ensure enough space is left behind to permit adequate air circulation.

Condensation damage as a result of failure to take these reasonable steps during occupation is often a reason why the full deposit cannot be returned to a tenant at the end of a tenancy.

If you notice a damp problem that you do not believe is condensation related, it is important that you advise us as soon as possible so that it can be inspected without delay.