Orbis House 5 Mansfield Street London W1G 9NG
New courtyard surface including walk-on rooflight; window and door alterations; new window to Mansfiled Mews at second floor level; new rooflights; repairs to roof and external brickwork; replacement of services throughout; erection of new staircase in front area lightwell; partial infill of rear lightwell at ground floor level; erection of roof terrace; installation of PV panels at roof level; reinstatement of demolished historic stone cantilevered staircase; repair/refurbishment of interiors; and associated works.