When you will need planning and building permission.
Planning permission for roof windows.
Protrude more than 150 millimetres above the existing roof plane.
A conservation area.
Or any listed building including tenements flats and business properties this is known as listed building consent.
You ll need planning permission to install a roof window if any of the following situations apply.
Are installed on the side of your building without any obscure glazing to protect privacy.
Whether you need planning permission to install your new roof windows or not you must still follow any relevant building regulations outlined in the planning portal and seek building regulations approval for any work you have carried out.
No alteration to be higher than the highest part of the roof.
The window will sit higher than the current peak of the roof.
Loft conversions and windows in the roof permissions maintenance and repair permissions new dwellings permissions satellite and tv antennae permissions windows doors and sunpipes permissions commercial developments.
These are specific to any other alteration to the roof of a dwellinghouse as detailed in schedule 2 part 1 class c of the the town and country planning general permitted development england order 2015 as amended.
The window will protrude over the roof ridge or be higher than the highest part of the roof.
Any windows installed must protrude no more than 150 millimetres above the existing roof plane.
New roof lights or skylights will not normally require an application for planning permission providing.
A side facing window doesn t have obscuring glazing.
Are higher than the highest part of the roof or stand out above the roof ridge.
They do not protrude more than 150mm beyond the plane of the roof slope they are no higher than the highest part of the roof.
The permitted development rules allow for roof alterations without the need for planning permission subject to the following limits and conditions.
You do not normally need to apply for planning permission to re roof your house or to insert roof lights or skylights.
You plan to install a.
Any alteration to the roof cannot project more than 150 millimetres from the existing roof plane.
However roof windows need planning permission if they.
Any opening to be 1 7m above the floor.
The window projects more than 150mm from the roof plane.
Side facing windows to be obscure glazed.
You may also need a building warrant please.
When it comes to inserting rooflights or skylights into your home generally there isn t a need to apply for planning permission as long as the following limits and conditions are met.