A new penthouse room was formed in what was a covered outdoor roof space (see before image below)
Non structural walls were opened up onto the stair case; new sliding hardwood doors which emulate original Barbican joinery were installed at either end of the resulting space; the house still benefits form two generous roof terraces, front and back while gaining a spectacular extra room.
Light slots were cut through the central staircase wall on the landings and glazed with white "diff lam" glass
The original standard doors were replaced with new full height units with glazed vertical light slots
A new shower was fitted in the bathroom utilising a wasted space behind the seperate hall WC
A utility room was created by using the rear of the garage, still leaving enough space to garage a small car or motorbike.