70 Margaret Street London W1W 8SS
Infill extension of recessed bay at rear of the building across 1st to 3rd floors and erection of new roof terrace on fourth floor roof; erection of 5th storey roof terrace with associated sedum roof and balustrading; extension of existing roof extension to allow for new staircase access to roof and a servery for the roof terrace; erection of new plant enclosure on roof and rear ground floor lightwell to house new AC Condenser Units; alterations at ground floor level to improve access and enhance existing entrances; installation of new glazing at basement lightwell and at ground floor level; and installation of cycle parking and end of journey facilities; all to extend and alter building in office (Class E) use.