Planning Law

Failing to take planning law seriously can result in extreme measures, often ending with you being forced to tear down the roof and start again.

There are simple ways to avoid this and our team at County Flat Roofing are able to avoid advice about how and when to investigate the planning consent that may be required for your project. More often than not, you don’t need planning consent to re-roof your house but this mainly comes down to measurements. As long as the new roof is no more than 150mm from the existing roof plane and that you can demonstrate the changes to the roof won’t result in it being higher than the highest part of the existing roof, you should be fine.
However, there are occasions when it Planning Consent is essential. These are:

  • If, in the case of a fire, the performance provided by the new covering will be significantly different to the existing covering
  • If you need to carry out structural alterations
  • If you are replacing/repairing more than 25 per cent of the roof area. In this instance you would need thermal roof insulation and this generally needs to be approved.

This may all seem daunting, but it doesn’t have to be. You can consult the County Flat Roofing team at any point to discuss your requirements or your concerns.

Remember, flat roof repairs or replacement should always be carried out by a qualified professional, this will help to ensure that the roof structure remains undamaged and that the new materials are all fitted correctly.

The latest regulations state that:

  • New flat roofs must be adequately ventilated in order to protect from condensation and should usually have a 50mm gap between any insulation and the underside of the roof.
  • Any new roof is required to protect against the elements, be energy efficient, prevent the spread of fire and have a sufficient drainage system.


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