February 6, 2021 by Brian Dalkey in forum Planning Forum

#924 Brian Dalkey, 6 February 2021, 11:31

I would like to know if I can do the same as my neighbour, which is this.

My neighbour built a garden studio for work at the end of the garden to his terraced house about ten years ago. He obtained a Certificate of Lawfulness for that single storey building which is approximately 10M x 4M.

Last year he converted his roof space of his main house and created a dormer window which has added an additional 40 cubic metres in volume to the roof of the main house. He did not obtain planning permission for this and neither has he obtained a Certificate of Lawfulness. He maintains he does not need a planning permission for the roof conversion as it comes under Permitted Development.

What is the situation here?
Did he effectively use up his permitted development allocation with the garden studio the first time round?

Can he in fact exercise permitted development rights again for the roof space of his main house also.

I would like to do the same, but I do not want to build without the correct approvals in place.

Any guidance on this would be greatly appreciated as I am confused.
Many Thanks, Brian

#925 Damian, 6 February 2021, 13:39

PD is split into various use classes, i.e. extensions, loft conversions, outbuildings, etc... You are not allocated a certain percentage before requiring formal Planning.

Applicants can choose to obtain a CoL should they require confirmation from the LPA works are PD. This is not mandatory. Obtaining the relevant approvals/confirmations is always better and easier than having to worry about if/when you come to sell.

The PD rules for outbuildings are here...

The PD rules for loft conversions/extensions is here...

Note these rules and guidance only relate to Planning and does not exempt you from Building Regulations. Some outbuildings are exempt from BR’s (check the Planning Portal website) and loft conversions/extensions will require BR’s.

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