Excavation of basement level beneath footprint of existing house with walk on rooflights; Rebuilding of bathroom extension at lower ground floor; Erection of extension at ground floor level over octagonal wing and creation of new parapet; Erection of infill extension on northeast elevation; Remodelling of bay on southeast elevation at lower ground floor level; Erection of replacement dormer; Demolition of existing retaining walls on south east elevation and eastern lightwell and construction of new metal escape stairs in these location; Replacement of windows; Rationalisation of drainage, repair of stucco render, repair/ refurbishment and part replacement of existing roof, refurbishment/ replacement of existing chimney and pots; Installation of Plant Machinery; Erection of bin and bike store to front garden; and associated external alterations.

Replacement of metal mesh and door and restoration of the Snowdon Aviary to encompass new monkey species, apparatus and informal housing for aviary species, safety and balustrade alterations to 'M' bridge, replacement of concrete shelter and erection of new animal house annex and links, alterations to the education building to the west of the aviary, removal and replacement of trees and landscaping alterations including installation of new gate for construction and emergency vehicles, together with demolition of north pheasantry aviaries and re-landscaping. (Linked to 20/02587/LBC)

Replacement of metal mesh and door and restoration of the Snowdon Aviary to encompass new monkey species, apparatus and informal housing for aviary species, safety and balustrade alterations to 'M' bridge, replacement of concrete shelter and erection of new animal house annex and links, alterations to the education building to the west of the aviary, removal and replacement of trees and landscaping alterations including installation of new gate for construction and emergency vehicles, together with demolition of north pheasantry aviaries and re-landscaping. (Linked to 20/02586/FULL).

Amendments to planning permission dated 14 March 2019 (RN: 18/10375/FULL) for 'Alterations at 13-15 Princes Gate including use as a single family dwelling: excavation of basement level; erection of full height side infill extension at first to third floor levels; alterations within area between Kingston House South and 13 Princes Gate including erection of single storey extension at lower ground floor level and installation of new railings, car lift and storage cupboards; demolition and reconstruction of rear ground floor terrace incorporating new spiral stair to lower ground floor level; demolition and alterations at roof level including creation of inset roof terrace and installation of air conditioning and use of 15 Princes Gate to single family dwelling: excavation of basement level; demolition of rear ground floor extension and demolition and reconstruction of rear ground floor terrace; demolition and alterations at roof level including removal of roof extension and creation of inset terrace and installation of air conditioning, alteration and reduction of side infill extension, minor additional basement excavation, minor alterations within rear side garden, to the car lift, to roof lights, front door, at roof level and internally'. Namely, to amend condition 14 to allow extension of construction hours at the site until 21:00 hours Monday to Saturday.