Replacing Flat Roof With Pitched Roof Planning Permission

Any alteration to project no more than 150 millimetres from the existing roof plane.

Replacing flat roof with pitched roof planning permission.

When do i need planning permission for a flat roof. 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. 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. For instance if you are planning on increasing.

They are common on extensions garages and commercial buildings. Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes. We have a chalet style house the garage is joined to the house and measures 7m x 2 8m. If you are replacing more than 25 of the roofing area then you will also need to replace the thermal insulation.

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. While that s the easiest route it s certainly not your only option. The change of roof will materially affect the external appearance end of story. Simply replacing your existing flat roof with a new one should be a pretty straightforward process.

Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project. 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. When converting your flat roof into a pitched roof that s when planning permission may come into play. I have read and re read above extract surely this means quite clearly this person requires planning permission to change from flat to pitched roof i don t understand how you could interpret this in any other way.

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. 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. Flat roofs are an often lower cost and easier to install alternative to traditional pitched roofs.

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.