This year is a fresh start in the studio and I am starting the refurb next week. First thing to do is position the window....
UPDATE: I moved it over a bit:
Having met with Julian the builder and had a think about the logistics of the wall and existing brickwork behind the fabric and soundproofing, it seems this would be a good way to go now. Here's a photoshop version of the idea, compared to the previous idea below it: