planning permitted development loft conversion

Hi all, hoping someone may be able to provide some insight into what roof enlargements you can make under Permitted Development Class B. I am particularly interested in condition B.2(b)(ii) which states: "other than in the case of an enlargement which joins the original roof to the roof of a...

Hi, I have a technical question for anyone with planning experience. We've already had drawings approved to extend our semi (not yet built), however if we now apply afresh for a loft coversion as shown in red on the attached, will it be a straight forward permitted development? The key issue...