Erection of access ramps, steps and an extended landing to the front entrance of the main school building following the demolition of the existing steps, including the installation of handrails, guardrails, external lighting and reconfiguration of the forecourt, including hard and soft landscaping. Internal alterations including provision of a concealed platform lift within the existing steps of the front entrance lobby, installation of timber framed glazed screens and widened glazed doors within the side walls of the front entrance lobby and associated removal and modification of existing timber panelling, architraves, internal doors and handrails, alterations to reception rooms at upper ground floor level.

Demolition of the existing Rosalind Franklin Building (excluding boiler house arch and chimney) and erection of a new two storey Centre for Design and Innovation (CDI) adjacent to the retained boundary wall and new fencing to the rear of properties on Rowan Road; excavation to extend the CDI to the west; erection of a glazed link between the CDI and the Mercers Building to the south; refurbishment of the Mercers Building including removal of the fire escape stair and introduction of new overhead door; demolition of the existing Forum Building (excluding screen to science courtyard) and erection of a new three storey Staff Hub and link with the Main Building; enclosure of spaces between the Main Building and the Staff Hub and CDI buildings by erection of covered links; installation of solar photovoltaic panels and replacement of existing plant screen to the roof of the Celia Johnson building; landscaping of the car park including changes to the entrance gates and the erection of a new single storey maintenance building in the southeast corner of the car park; reconfiguration of some spaces in the Main Building over lower ground, upper ground and first floor for administration spaces, meeting spaces, pastoral spaces and toilet and locker space; landscaping works to the science courtyard and other associated works.

Erection of a single storey rear extension and erection of a single storey extension to the side of the main building at lower ground floor level following the demolition of the existing garage and part of the single storey back addition; installation of balustrade to existing French doors in rear elevation at upper ground floor level; installation of new steps in front driveway area; amendments to rear landscaping and steps in the rear garden; alterations to the front gates and railings to provide a larger vehicular access; lowering of lower ground floor level; and associated internal and external alterations.