For instance if you are planning on increasing.
Replacing flat roof with pitched roof planning permission.
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.
Despite the new generation of materials available for a flat roof many homeowners do look to upgrade a flat roof to a solid pitched roof if they can.
Flat roofs are an often lower cost and easier to install alternative to traditional pitched roofs.
When converting your flat roof into a pitched roof that s when planning permission may come into play.
When do i need planning permission for a flat roof.
Typically flat roofs are more likely to suffer worse water damage than pitched roofs resulting in damage to the structure due to the strain placed on the walls.
Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project.
Any alteration to project no more than 150 millimetres from the existing roof plane.
If you are replacing more than 25 of the roofing area then you will also need to replace the thermal insulation.
While that s the easiest route it s certainly not your only option.
Depending on why you want to replaces your roof also means that you have to comply with different rules.
We have a chalet style house the garage is joined to the house and measures 7m x 2 8m.
Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes.
Because of the variability in design and the possible choice of materials sometimes it is easier to work to an average price per square metre.
Simply replacing your existing flat roof with a new one should be a pretty straightforward process.
In most cases a like for like replacement does not require any planning permission.
The space within the new pitched roof over the garage would be used as an en suite bathroom.
At this point you may be wondering whether it is best to replace a damaged flat roof with a pitched roof so as to stop water damage arising in the future.
We are planning to replace an existing flat roof over the garage with a pitched roof inline with the existing roof with two velux windows.
The change of roof will materially affect the external appearance end of story.
Is planning permission required.