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Do you have a film of water on the inside of your windows or walls? It's called condensation and, if left uncontrolled, it can cause problems such as mould. However, don't worry – you can carry out a few simple measures to reduce it.

Condensation is made up of tiny drops of water. These appear when moist air cools through contact with a colder surface. Windows and external walls are the main areas where you may find condensation. This is because they are usually cold surfaces.

Common sources of condensation

Every day you are adding water to the air in many ways, such as:

  • Breathing and perspiration – six people add a 3/4 pint of water to the air every hour.
  • Cooking - this can add up to four or five pints of water per day.
  • Washing – a shower can add half pint of water to the air.
  • Drying clothes – any clothes dried inside will put all the moisture from the clothes into the air.
  • Using domestic appliances - Dishwashers, washing machines, and dryers can add several pints of water to the air. When the air in your home cools this water will turn into tiny droplets, which together make condensation.
What simple measures can I take to reduce condensation?

The best approach is to keep a steady air temperature, because condensation happens as air cools. In cold weather it is best to keep a low background heating on all day rather than let your home heat-up and cool down in cycles throughout the day.

Heavy curtains in bedrooms can trap moist air against a window, which will cool overnight and produce a lot of condensation. Always open the curtains in the day time and never leave the house with the curtains pulled shut.

  • When cooking put the lids on saucepans do not leave kettles boiling.
  • Do not put washing on radiators or drying racks to dry.
  • Keep the kitchen door closed, use the extractor fan and open a window when you cook.
  • Keep the bathroom door closed when you are having a bath and always use the extractor fan. Open a window when you have finished and close the bathroom door behind you.
  • If you sleep in a small room slightly open a window at night.
  • Whenever and wherever you can provide ventilation without causing a draught, do so.
  • Do not push furniture closely up against a wall as this does not allow the air to circulate and can result in condensation. 
What can I do about mould?

The first step is to treat the mould already in your home. If you deal with the basic problem of condensation and damp, mould should not then reappear.

To kill and remove mould, wipe down walls and window frames with an anti-fungal treatment or a dilute mixture of household bleach (1 bleach:4 water). Dry-clean mildewed clothes. Do not try to brush mould away – use a vacuum cleaner.

After treatment, we will redecorate using a fungicidal paint to help prevent mould. You need to tell us when you have removed the mould and then show us where it was so we can treat the whole area with the correct paint.

What can I do to prevent condensation?

If you still have condensation on your windows or walls please contact us and we can supply you with a window wiper and a non-electric de-humidifier. In the meantime wipe the condensation off the windows EVERY DAY and remove any signs of mould immediately. If the paintwork is damaged (especially around windows and window frames) you will be liable for the re-decoration costs as this damage is completely avoidable.

Electrical Reset

If your electricity has gone off the first thing you need to check is the electricity box. This short video will explain what to do. Watch this Oscar-nominated video and try this out before you ring our emergency may just be this simple.


We like to sort out problems straight away if we possibly can. We have a team of builders, plumbers and electricians available to respond to reported problems as soon as reasonably possible.

Our policy is to respond to all emergencies the same day. Non-urgent repairs are normally sorted out within a week. If we need longer, we will talk to you about when we propose to carry out repairs.

Occasionally we have had to do repairs that have been disruptive. Sometimes we have mutually agreed to do these repairs during holiday periods so as not to cause too much disruption to you.

Our in-house maintenance team are based at our Fishponds office and are ready to help you so be assured: if it needs fixing, it will get fixed, within a reasonable timeline.

Report a repair

Please raise a maintenance request by sending us an email to This email address is being protected from spambots. You need JavaScript enabled to view it. and include your property code and a brief description in the email subject line i.e. ‘7 Vas – Bedframe broken’.

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