Erection of an additional floor at roof level in connection with the buildings use as part residential and part office accommodation, and formation of a roof terrace at fourth floor level.

Erection of a roof extension at second floor level to provide additional habitable accommodation to no. 15 and 16 Gransden Road; re-arrangement of the ground floor external areas to allow for a single large shared amenity space together with private patio areas for each of the 3 residential units on site.