Amalgamation of 2no dwellinghouses into a single family dwellinghouse; erection of rear extensions at third floor level, on top of the existing back additions; demolition of existing single storey rear extensions and erection of a replacement single storey rear extension including the formation of an enlarged roof terrace above the roof of ground floor rear back addition; excavation of the front garden to form lightwells in connection with the enlargement of the existing basements; replacement of existing dormer windows with new dormer windows comprising of windows and French doors with Juliet balconies in the rear roofslope; installation of 2no rooflights in the front roofslope to no. 6 Dewhurst Road; replacement of existing windows with new windows and replacement of the existing single door with double doors at first floor level to the rear elevation; removal of rear fencing and front wall between no. 6 and 8 Dewhurst Road and installation of replacement refuse and cycle stores; erection of new front boundary wall with railings on top and a pedestrian access gate to no. 8 Dewhurst Road; associated landscaping in the front and rear gardens.

Erection of a rear roof extension, involving an increase in the ridge height by 300mm; erection of a rear extension at second floor level, over part of the proposed replacement two storey rear extension; erection of a replacement two storey rear extension following the demolition of existing at ground and first floor level; erection of a single storey rear extension at ground floor level, to the side of proposed replacement two storey rear extension; replacement of existing roof tiles with natural slate to the front roofslope; replacement of existing windows with new hardwood timber sliding sash windows, to the front elevation at ground and first floor level; repositioning and alterations of existing window openings to facilitate new replacement windows, to the rear and side elevations at first floor level; installation of new charred timber fencing to replace existing side boundary wall, demolition of the existing garden shed; re-paving of the front garden and erection of a new bike/garden shed in the rear garden; landscaping of the rear garden to include installation of low level raised planters.

Partial demolition of the ground floor back addition; erection of single storey flat roof canopy; installation of roof lantern on existing single storey side extension; installation of a door with a Juliet balcony to replace the existing window at first floor level and installation of new doors at ground floor level to the rear elevation; replacement of existing boundary fence with brick wall.

Variation of condition 2 of planning permission ref: 2020/02540/FUL granted 25th January 2021 for the 'Demolition of existing timber yard storage building and erection of a replacement part one, part three storey plus basement building with a roof terrace at first floor level to provide 1 x 1 bedroom residential unit (Class C3) with flexible commercial floorspace (Class E) at basement and ground floor level fronting Kelvedon Road and Darlan Road; erection of a part one and part three storey 2 bedroom single family dwellinghouse (Class C3) fronting Kelvedon Road elevation' to allow amendments to the approved drawings to include: alterations to north eastern elevation to change second floor roof window with a dormer window, enlargement of ground floor windows, alterations to south eastern elevation to increase the size of the dormer window, alterations to refuse storage, provision of an external amenity space associated with the Class E unit, additional high level window on the ground floor to be made fixed shut, alterations to south western elevation to allow all windows to be made of aluminium casement frames, additional window to roof level, dormer window panes to change from 3 to 2, ground floor north western wall to be set back further, increasing the size of the dormer of dwellinghouse, 2no exterior gutters to be constructed of cast iron, reducing the height of the front fencing/gates to 1.8m, alterations to north western elevation to include the additional of a conservation type roof window for bathroom, part of the top of boundary wall to be finished in lead, alterations to front basement lightwell, basement to extend to church wall, alterations to ground floor layout, additional obscure glazed panels in terrace of dwellinghouse, alterations to first and second floor layouts and AOV roof window over stairs of dwellinghouse.

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.

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.