William

Hi Everyone, Many thanks indeed for your interesting responses. From what I can gather so far, there appears to be no definitive answer. I agree, before I embark on a similar build project I should verify either the local planning authority for compliance. That is good guidance and I am truly grateful. Stay safe everyone and I will continue to enjoy the very information exchanges here on buildhub. William

Hi I have joined because of this very informative forum. My neighbour built a single storey garden studio at the end of his garden to his terraced house about ten years ago. He carried out this building with a Certificate of Lawfulness. Last year he converted the roof space of his main house and created a dormer window which projects out beyond the roof slope, creating as additional volume build of about 40 cubic metres. He did not apply for planning permission nor did he apply for a Certificate of Lawfulness. He maintains his roof space and dormer window complies with Permitted Development Rights. My query is this. Having made use of his permitted development rights for the the garden studio, does he in fact have the benefit of PD again for the roof conversation with the Dormer Window. I would really welcome your views and opinions on this as I would like to challenge the validity of his dormer window. If the dormer window is legal, it would mean I can do the same.

Hi I have joined because of this very informative forum. My neighbour built a single storey garden studio at the end of his garden to his terraced house about ten years ago. He carried out this building with a Certificate of Lawfulness. Last year he converted the roof space of his main house and created a dormer window which projects out beyond the roof slope, creating as additional volume build of about 40 cubic metres. He did not apply for planning permission nor did he apply for a Certificate of Lawfulness. He maintains his roof space and dormer window complies with Permitted Development Rights. My query is this. Having made use of his permitted development rights for the the garden studio, does he in fact have the benefit of PD again for the roof conversation with the Dormer Window. I would really welcome your views and opinions on this as I would like to challenge the validity of his dormer window. If the dormer window is legal, it would mean I can do the same.