Just a quick update to say that the underfloor heated concrete slab is now down and on it's 3 month dry out phase before the heating can be swtiched on.
The walls have started to go up, the aim is to put up stud walls infront of the old brick walls to provide ample space for insulation whilst also preserving the original brickwork.
Next week the roof should be insulated and plasterboarded over, it should really start looking like a proper room at that point.