Always contact your local planning authority to be sure.
Pitched roof over flat roof planning permission.
You do not normally need to apply for planning permission to re roof your house or to insert roof lights or skylights as the permitted development rules allow for roof alterations subject to the following limits and conditions.
Depending on the climate your flat roof will only last between 15 and 30 years if well maintained.
However when carrying out larger structural alterations this may be a little more difficult.
Converting your flat roof to a pitched roof does require planning permission as any alteration that is higher than the highest part of the existing roof requires approval.
Pros of a pitched roof extension.
It is a significant renovation if you are converting from flat to pitched.
This should be a straightforward process especially if it is a low pitch roof.
However flat roofs require much more aggressive and consistent maintenance than a pitched roof.
When converting your flat roof into a pitched roof that s when planning permission may come into play.
The pros cons of flat vs.
Converting a flat garage roof to a pitched roof is a relatively simple job for professional roofing contractors.
Pitched roofs come in a variety of styles.
Pitched roof extensions typically cost more simply because they involve more work and take longer to complete.
Not in all cases you need to obtain a planning permission when building a new roof.
You are making any structural changes to the roof.
However you will likely need to apply for planning permission as it is not a like for like replacement.
Depending on why you want to replaces your roof also means that you have to comply with different rules.
A pitched roof is more expensive.
A low pitched roof should be easy enough to gain planning permission for.
If you are planning to add a new roof to your home or shed be sure to consider all the available options.
Flat roofs also don t last as long.
Any alteration to project no more than 150 millimetres from the existing roof plane.
Is planning permission required.
This is a factor that planning departments tend to look on favourably.
You will have to obtain a planning permission if.