Removal of existing garden structures; replacement of front gate and installation of railings to front boundary wall; works to wall of front lightwell and replacement of lightwell balustrade, repair of the existing main roof; repair of window and door to lower ground floor to the front elevation; alterations to existing single storey rear extension at lower ground floor level to include infilling 2no. windows to the side elevation, replacement of the roof including removal of an existing rooflight, installation of 3no. new rooflights and provision of sedum green roof, alterations to openings and fenestration to the rear elevation; enlargement of the external rear courtyard and steps; landscaping of the rear garden; internal alterations including works to lower ground floor, alterations to treads of staircase between ground and lower ground floor, alterations to bathrooms, fitted joinery and replacement floor coverings; and associated external and internal alterations.

External alterations including refurbishment and extension of the garden pavilion building to the rear of the rear garden to provide space for a home gym and office; associated landscaping works; internal alterations including layout changes to the first floor level of the coach house to provide an additional room for use as a home office; various internal alterations to the main house including the installation of integrated joinery across all floors including to both bedrooms, the main hallway and the bathroom at third floor level, the master bedroom and guest bedroom at second floor level, and the back kitchen at ground floor level; installation of a new boiler to the cloakroom at first 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.