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