Hip To Gable Roof Extension Permitted Development

Lean to single pitch roof.
Hip to gable roof extension permitted development. Dormer window flat roof. On the plain meaning of the words there are three roof planes on that single storey extension being the flat surfaces of the roof and changing from a hip to a gable will inevitably project. In the case of the house pictured they didn t apply for planning permission. Removal of permitted development rights.
Horsforth large rear extension cat slide roof to gable conversion 1141 1 residential all buildings extension large home permitted dev self build hip 2 gable calculation for residential permitted development 9002. Hip to gable extensions are permitted. An extension beyond the plane of the existing roof slope of the principal elevation that fronts a highway is not permitted development. No part of the extension to be higher than the highest part of the existing roof.
By comparison a gable roof is a type of roof design where two sides slope downward toward the walls and the other two sides include walls that extend from the bottom of. The roof enlargement cannot overhang the outer face of the wall of the original house. Gable roof in a nutshell. A hip roof or hipped roof is a type of roof design where all roof sides slope downward toward the walls where the walls of the house sit under the eaves on each side of the roof.
The key issue was whether the proposed hip to gable extension would be contrary to class b part b 1 b which states that development is not permitted by class b if any part of the dwellinghouse would as a result of the works extend beyond the plane of any existing roof slope which forms the principal elevation of the dwellinghouse. Verandas balconies or raised platforms are not. Roof extensions are not permitted in conservation areas national parks areas of outstanding natural beauty or world heritage sites and you must seek planning permission to build them. Roof extensions not to be permitted development in designated areas roof extensions apart from hip to gable ones to be set back as far as practicable at least 20cm from the original eaves.
I was wondering if anyone can answer the questions that i have below. People who have done the hip to gable extension have used the permitted development rights now i want to educate myself on how the process works. If the building is listed you should consult with your local planning authority. Hip to gable dormer loft conversions are for properties with a sloping side roof hipped roof which means that the side of your roof slopes inwards towards the ridge chimney.