Demolition of existing conservatory and construction of replacement dining / garden room. Internal and external alterations consisting of blocking door, creation of new rear door and insertion of rooflight. Removal of eastern boundary hedge and erection of timber fence. Installation of timber trellis atop the existing southern boundary fence. Removal of existing tree.

Erection of retaining wall to existing boundary wall to protect TPO Trees. Construction of garage with habitable space above to side of house, erection of single storey extension to rear and infill extension to existing conservatory and removal of steps. Conversion of attic back into habitable space including alterations to roof and reinstatement of windows to attic gables. Alterations to windows including replacing single glazed windows with double glazed upvc sash windows and installation of roof lights (additional Ecology Report received 16/06/2022 and Structural Condition Inspection Report received 11/07/2022) (as amended by plans received 27/04/2023, 19/07/2023 and 25/07/2023) and including tree works identified in Aboricultural Method and Impact Statements (Rev B) including Tree Protection Plan (received 19/07/2023)

Demolish existing conservatory and boundary wall and construction of single storey side extension and single storey front extension. Remove conifer trees on boundary

Neighbouring Borough Consultation for Demolition of existing (non-heritage) buildings and construction of a part 2 / part 3 storey building including refurbishment of the retained listed buildings providing a six form entry Secondary School and Sixth Form, including a two storey detached sports hall and Multi Use Games Area (MUGA), provision of a modified pedestrian entrance from Bexley Road including opening into the existing wall, playing fields, car parking, boundary treatment and landscaping including works to protected trees and associated works. Listed building works include: Demolition of modern extensions to the remains of the Mansion House and provision of a replacement part two, part three storey structure; Demolition of modern extensions to the Honeycomb Building and Engine House; Refurbishment and restoration of the Mansion House, Honeycomb Building and Engine House. These works include the removal of the removal of the modern mezzanine floor within the Picture Gallery and Gymnasium; Internal works to subdivide the Mansion House and Winter Garden; Refurbishment of the Western Stables and Groom Cottage; Boundary treatments and provision of a new pedestrian access into the site from Bexley Road; Refurbishment of the original lavatory. (The development may impact on the setting of three Grade II listed buildings being Avery Hill Training College (Entrance Gate And Adjoining Lodge), Avery Hill Training College (Main Doorway, Lobby, Passage And Theatre) and Avery Hill Training College (Conservatory))