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Roof
Planning permission
Alterations to the roof of a house (e.g. to re-roof or insert skylights) is considered to be permitted development (not requiring planning permission) subject to certain limits and conditions.
Read about the limits and conditions for work to a roof.
If you live in a flat, listed building or designated area (conservation area, national park, Area of Outstanding Natural Beauty, etc...) you should check with your local planning authority before carrying out any work.
Flats and Maisonettes
The planning regime for flats and maisonettes differs in many important ways to that which covers houses.
Bear in mind that the permitted development rights which apply to many common projects for houses do not apply to flats.
Read guidance specific to flats.
Building regulations
If you want to carry out repairs on or re-cover an existing pitched or flat roof you will not normally need to submit a building control application if:
- Less than 25 per cent of the total ‘building envelope’ (walls, floor, roof, windows, door, roof windows and roof-lights) is affected; and
- Less than 50 per cent of the roof is affected.
However, you will need approval if:
- You exceed the limits stated above (in which case there may also be further considerations that could require work to the entire roof, such as ensuring the thermal insulation is sufficient)
- You carry out structural alterations
- The performance of any new covering will be significantly different to that of the existing covering in the event of a fire
- You use a new covering material which increases the weight of the roof covering by 15 per cent or more.
It is advisable to contact an installer who can provide the necessary advice, preferably one who belongs to the relevant Competent Person Schemes.
Protected Species
Although planning permission may not be required, a wildlife licence may be required if the work will affect protected species like bats.
Contact Natural England for advice
Flats and Maisonettes
Building regulations approval is required to convert a loft or attic into a liveable space.
Greener Homes
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