If you are replacing more than 25 of the roofing area then you will also need to replace the thermal insulation.
Pitched roof planning permission.
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.
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.
This is a factor that planning departments tend to look on favourably.
Always contact your local planning authority to be sure.
You will have to obtain a planning permission if.
When converting your flat roof into a pitched roof that s when planning permission may come into play.
However you will likely need to apply for planning permission as it is not a like for like replacement.
This should be a straightforward process especially if it is a low pitch roof.
Any alteration to project no more than 150 millimetres from the existing roof plane.
Pros of a pitched roof extension.
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.
You will need approval however if.
You are making any structural changes to the roof.
You carry out structural alterations.
View guidance on the planning and building regulations regime for solar panels.
Converting a flat garage roof to a pitched roof is a relatively simple job for professional roofing contractors.
Is planning permission required.
However when carrying out larger structural alterations this may be a little more difficult.
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.
A low pitched roof should be easy enough to gain planning permission for.
Pitched roof extensions afford a more traditional look and that means they blend in better with the style of many houses.
Depending on why you want to replaces your roof also means that you have to comply with different rules.