Replacement single storey rear extension. Two storey rear extension to 1-2 St Pancras with extension of existing residential apartment at second floor level and change of use of existing ground and first floor retail / office unit to class E: commercial, business and service and F1(f). Facade and access alterations to front elevation of 1-2 St Pancras. Installation of photovoltaic array.

Change of use from residential to A2 office with flexible B1 office use including minor alterations.