Condensation, Damp and Mould

Condensation on a window

 

What is Condensation? 

Condensation is water droplets that appear on a cold surface when it comes into contact with warm air, for example on windows on a cold morning or on a bottle of milk when it comes out of the fridge. Condensation and mould are most common in kitchens and bathrooms because of the high levels of moisture in the air which has nowhere to escape. 

What causes Condensation? 

There are four main factors that cause condensation: 

  • Too much moisture being produced in the home 

  • Not enough ventilation 

  • Cold surfaces 

  • The temperature of your home 

Condensation can lead to mould if you don’t: 

  • Improve ventilation in order to circulate air 

  • Reduce the amount of moisture in the air 

  • Maintain an adequate temperature (heating your home) 

What is mould? 

Mould is a fungus that grows and multiplies in moist areas.  

The chances of your home being affected by mould is reduced if you keep your home warm, well ventilated and minimise the amount of moisture that’s released into the air within your home. 

What is damp? 

Damp occurs where moisture collects but does not have a chance to fully dry out. Damp is very common and is often caused by condensation. Damp usually builds up in areas where there is not much air movement.  

What steps should I take if I have damp and mould in my home? 

  • Report the issue to us immediately by completing our online form, including photos of the affected areas if possible or call 0300 777 2600 

  • Read below “how to reduce condensation and mould in your home” for more information 

  • Allow access to your home so we can carry out a mould wash, inspections and follow on works if required 

  • Contact us if the problem gets worse or reoccurs 

What steps will  we take? 

  • Arrange for a mould wash to be carried out  

  • Organise for contractor to visit your home and carry out an inspection, take photos and complete a full report detailing any works required

  • Keep in contact with you to discuss recommendations and next steps 

  • Discuss time scales for any required work 

  • We will only close the report when we have carried out all the promised steps or when you are satisfied that the problem has gone

Condensation, damp and mould online form

To report any issue with condensation, damp or mould in your home please complete the following form.

How to reduce condensation and mould in your home 

Report condensation, damp or mould in your home

A few simple changes could help reduce condensation and mould growth:  

  1. Heating

    • Make sure your home is heated adequately. Aim to heat living rooms to 21 degrees Celsius and bedrooms to 18 degrees Celsius 
    • It is effective to keep your home at a constant temperature all day. This will help raise the internal temperature of surfaces and reduce condensation forming 
  2. Showering

    • Turn on an extractor fan if you have one or open a window to allow moisture to escape 
    • Keep the bathroom door shut when showering 
    • Use a bath mat to soak up moisture and reduce condensation 
    • Run cold water in the bath before adding hot 
  3. Ventilation

    • Ventilate bedrooms by leaving a window slightly open at night if it is safe to do so 
    • Trickle vents must remain open (A trickle vent is a small opening in a window that allows ventilation)
    • Do not block air vents 
    • Open windows slightly for at least 15-20 minutes each day on both sides of your home to help air circulate 
    • Condensation is most common in the colder months. This is the most important time to ventilate your property 
    • Pull all furniture away from external walls, including beds   
    • Leave a gap between the curtains and the wall during the day 
    • Don't over-fill cupboards and shelves to allow space for the air to circulate
  4. Washing

    • Dry clothes outside 
    • If you need to dry clothes indoors make sure the room is heated and ventilated. Keep a window open, or extractor fan running to allow moisture to escape  
    • Do not dry your washing on radiators. Wet clothes on a radiator fill the room with moisture in seconds 
    • If you have a tumble dryer make sure it's vented properly 
  5. Cooking

    • Cover pots with lids when cooking  
    • Use an extractor fan or open a window to let steam out of the kitchen and wipe away any excess water on floors, tiling and worktops  
    • Shut the kitchen door  
    • Only boil the water you need in the kettle  
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