Mould and Condensation and How to Manage It After Cavity Wall Insulation Removal

If your defective Cavity Wall Insulation has been removed, you may want to consider the following steps in order to prevent further condensation and potential mould growth inside your home.

Ventilation is very important at providing a healthy environment, even more so in bungalows as there is no first floor for air to circulate. Defective Cavity Wall Insulation may not always be the sole cause of condensation and mould growth however, can often be a contributor due to restricted ventilation. We would therefore suggest adopting the following measures:

  • Installing a good quality extractor fan in the kitchen and bathroom areas
  • Double glazed windows fitted with trickle vents to allow for ventilation
  • Help to ventilate the property by opening windows, particularly after baths and showers to allow water vapour to escape. Dry clothing outside when possible.
  • Clean away old mould with specialized detergents following the cavity wall insulation extraction

Essentially, mould growth will occur when warm damp air settles on ‘cold spots’ in the walls. Defective cavity wall insulation is a principle cause of ‘cold spots’ so removing this should certainly help. However, if excessive water vapour is being produced and the property is not ventilated properly, then condensation and mould growth can still occur, which is why it is important to adopt the steps mentioned above and promote a clean healthy environment.

If you’ve got issues of any other nature with your Cavity Wall Insulation that may be down to the installer not following proper guidelines as to the install. It is now apparent that hundreds of thousands of home owners across the UK will need remedial work that will consist of a full extraction of the Cavity Wall Insulation and could well mean a whole host of other repairs and replacements directly caused by the install.

Your home and your health can be seriously affected if you do not take action.

Contact Wall Cavity Claims today on free phone 0800-8-654321 or visit


  • Ragia Amer

    if we have a reinforced and grouted hollow brick in a cavity wall both sides, How would the damp proof go throw this wall?

  • wcc_admin

    We cannot give specific advice on situations like such. Our national network of assessment surveyors and chartered surveyors are the professionals that help our process through on-site visits.

  • official statement

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