Context
Effective management of damp, condensation, and mould in residential properties requires collaboration between tenants, landlords, and letting agents. These issues affect both the condition of the property and the health of its occupants. Everyone has a role to play in prevention, and taking reasonable steps is part of a tenant’s responsibility just as much as the Landlord.
Understanding Condensation
Condensation occurs when warm, moist air contacts a cold surface, forming water droplets. If left untreated, this moisture can cause dampness and eventually lead to mould growth.
Common causes include:
- Inadequate heating
- Poor ventilation
- Low indoor temperatures
Causes of Damp and Mould
Mould is a fungus that thrives on moist surfaces and is most often caused by condensation. Cold surfaces combined with high humidity create ideal conditions for its growth.
Other causes of damp may include:
- Penetrating damp from external leaks (e.g. roofs, gutters, windows)
- Rising damp due to a defective or missing damp-proof course
Note: Rising damp does not typically cause black mould.
Who Is Responsible?
Responsibility for addressing damp and mould in rented homes is shared between tenants, landlords, and letting agents.
Tenant Responsibilities
- Clean affected areas using appropriate mould-cleaning products
- Use extractor fans and pan lids when cooking or showering
- Avoid drying clothes indoors where possible
- Maintain a reasonable level of heating
- Keep window trickle vents open
- Avoid blocking air circulation with furniture
Landlord and Agent Responsibilities
- Use anti-mould paint where necessary
- Conduct regular inspections and respond to reports promptly
- Ensure adequate insulation and draught-proofing
- Maintain and repair ventilation systems (e.g. fans, trickle vents)
- Show tenants how to use heating and thermostat controls efficiently
- Address plumbing or structural leaks without delay
Prevention and Daily Management
Drying Clothes
Avoid drying clothes on radiators. Use:
- A tumble dryer
- A heated airer with a cover
- A well-ventilated space with an open window or dehumidifier
Ventilation
- Open windows regularly, even during cold weather
- Keep trickle vents open to allow moisture to escape
- Ensure furniture and storage do not block airflow
Heating
- Keep rooms between 18°C – 20°C as recommended by WHO
- Regular, low-level heating is more effective than short bursts of high heat
Extractor Fans
- Use when cooking or showering
- Leave running for a few minutes afterward to remove excess moisture
Dehumidifiers
- Help reduce airborne moisture
- Especially useful when drying clothes indoors
Houseplants
Some indoor plants can help absorb moisture, including:
- Peace lilies
- Ferns
- Orchids
- Palms
- Spider plants
Wipe Down Surfaces
- Regularly wipe condensation from windows and walls
- Prevents moisture buildup and mould development
Identifying and Reporting Penetrating Damp
If you notice:
- Leaks from plumbing
- Damp patches from roofing, chimneys, or gutters
Report it promptly to your managing agent. While waiting for repairs: - Dry wet areas
- Use buckets or containers to catch drips
Cleaning and Removal
Mould frequently appears in:
- Kitchens
- Bathrooms
- Around windows
To clean mould: - Use commercial mould cleaners or a white vinegar solution
- Ventilate the area
- Wear gloves and a face mask to avoid contact with spores
- Follow all safety instructions on cleaning products
If the issue persists, contact your letting agent to check for underlying structural problems or ineffective ventilation.
Reporting Damage or Repairs
If you identify any damage or required repairs:
- Contact LifeStyle to arrange an inspection
- They’ll coordinate any necessary works
Letting agents are there to provide reasonable support, but please be aware that: - They are not responsible for external factors such as energy prices
You can view the Property Mark guide here.
