Planning Portal Roof Extensions

The need for extra living space and not wanting to leave your current home are two of the main reasons for building an extension.

Planning portal roof extensions.

Extensions of more than one storey must not extend beyond the rear wall of the original house by more than three metres or be within seven metres of any boundary opposite the rear wall of the house. Any part of the extension is not higher than the highest part of the roof of the existing house. If the extension is within 2m of a boundary maximum eaves height should be no higher than 3m to be permitted development. There is a lot to consider when planning an extension or major works to your home.

About planning portal adverts planning permission is not normally required. These rules known as permitted development rights allow you to extend a house without needing to apply for planning permission if specific limitations and conditions are met. Roof pitch must match existing house as far as practicable note that this also applies to any upper storey built on an existing extension. Or more than 3m for any other house.

From the design stage to planning through to working out costs and the actual build project building an extension is a big commitment. Advice and guidance for home owners on extensions alterations additions. Please select the appropriate volume calculator below. Lean to single pitch roof.

Single storey rear extensions must not extend beyond the rear wall of the original house by more than 4m if a detached house. Dormer window flat roof. Conservatory extensions single storey extensions two storey loft conversion outbuildings porches. About planning portal adverts.

What to consider before planning an extension find a trade professional use our partner directories from riba fmb rtpi or cieem to find an architect builder planning consultant or ecologist to help with your project or development. Any alteration to project no more than 150 millimetres from the existing roof plane. However permission is required where you extend or alter the roof space and it exceeds specified 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 as the permitted development rules allow for roof alterations subject to the following limits and conditions.

If the development is within the curtilage of a listed building you may need to submit a planning application for the work. Roof pitch of extensions higher than one storey to match that of the existing house as far as is practicable.