Demolition of existing garage. Alterations to roof from existing rear hip and dormer to new rear gable end. New roof light to side elevation. Construction of single storey rear extension. Garden Room/office to rear garden. Fencing to side boundary. Extend existing raised rear patio.

Demolition of existing single storey elements (kitchen and toilet), rear boundary wall and art room. Change of use of No.25 from student accommodation to office accommodation. Construction of a new single storey link between No.21-24 Northampton Street and first floor rear extension at No.25; replacement of ground floor facade to No.21-24; alterations to Cripps Lane, car park and creation of new pedestrian route to the rear of No.21-25 including boundary treatments; installation of associated plant including PV panels and ASHP to roof of No.25; cycle parking and external insulation.