You will need approval however if.
Pitched roof planning permission.
If you are replacing more than 25 of the roofing area then you will also need to replace the thermal insulation.
Always contact your local planning authority to be sure.
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.
Pitched roof extensions typically cost more simply because they involve more work and take longer to complete.
This is a factor that planning departments tend to look on favourably.
However when carrying out larger structural alterations this may be a little more difficult.
A low pitched roof should be easy enough to gain planning permission for.
Is planning permission required.
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.
Planning permission is required if the roof light would result in the provision of a roof terrace whether or not it would incorporate associated railings fencing or other means of enclosure.
This should be a straightforward process especially if it is a low pitch roof.
Depending on why you want to replaces your roof also means that you have to comply with different rules.
The change from a flat roof to a pitched roof is a complex renovation project so before you begin work it is important to work out whether you need to apply for planning permission.
You carry out structural alterations.
When converting your flat roof into a pitched roof that s when planning permission may come into play.
View guidance on the planning and building regulations regime for solar panels.
You are making any structural changes to the roof.
Any alteration to project no more than 150 millimetres from the existing roof plane.
Converting a flat garage roof to a pitched roof is a relatively simple job for professional roofing contractors.
About planning portal adverts if you want to carry out repairs on or re cover less than 25 per cent of the area of a pitch or flat roof you will not normally need to submit a building regulations application.
Pros of a pitched roof extension.
If the new roof covering is going to be different than the old one and this will affect the roof in the event of a fire.