This is because the addition of a solid roof turns what was a temporary extension into a permanent structure.
Glass roof extension planning permission.
No more than half the area of land around the original house would be covered by additions or other buildings.
When there is a change of use planning permission is required.
I only say if suitable because w hen you re applying for planning permission for an extension with a new glazed door or window you may need to specify the material the frame will be made of and in conservation areas you may not be allowed to use upvc or aluminium if this isn t used anywhere else.
Usually you won t require planning permission as long as your glass extension.
Planning permission was gained for an annex building and due to restrictions within the green belt the architects created a flat roofed single storey glass link extension to the house.
Planning permission for glass extensions is like with conservatories a complicated matter but there are a few basic rules to follow that might help you understand if it will be required for your project or not.
Provided your property has permitted development rights pdr then you can extend your home up to 3000mm from the existing rear wall for a terraced or semi detached house and 4000mm for a detached property.
No extension forward of the principal elevation or side elevation fronting a highway.
If you are removing a glass roof to make way for a solid roof this will cause what is known as a change of use.
Any extension of the home be it conservatory glazed lean to orangery or full brick and tile can be evaluated by its size and location.
Your glass extension must comply with the full set of rules below to be considered a permitted development and not require planning permission.