Variation of condition 1 of listed building consent dated 10 August 2021 (RN: 21/04474/LBC) (which varied consents dated 20 May 2021 (RN 21/01997/LBC) and 02 October 2020 (RN: 20/04526/LBC)) for 'Erection of a single storey extension at lower ground floor level and enlargement of ground floor terrace, reconstruction of mansard roof, demolition of existing conservatory, installation of plant at lower ground floor level and associated changes, in connection with the use of building as a single family dwellinghouse (Class C3)'. NAMELY, to allow the provision of lighting and layout changes.

Variation of condition 1 of listed building consent dated 20 May 2021 (RN 21/01997/LBC) which itself varied condition 1 of listed building consent dated 02 October 2020 (RN: 20/04526/LBC) for the 'Erection of a single storey extension at lower ground floor level and enlargement of ground floor terrace, reconstruction of mansard roof, demolition of existing conservatory, installation of plant at lower ground floor level and associated changes, in connection with the use of building as a single family dwellinghouse (Class C3)'. NAMELY, to vary the approved drawing number for the layout at 5th floor.

Erection of a temporary fire escape staircase for 21 Arlington Street for a period of 3 years and facilitating works including demolition of modern conservatory to William Kent House and a blockwork wall, associated cuts into listed fabric to enable structural support of the escape stair, and works to make good the fabric upon removal of the temporary escape stair and permanent hard landscaping in place of removed conservatory.

Variation of condition 1 of the listed building consent dated 10 May 2016 (RN: 15/08070/LBC) for the: Excavation of new basement beneath existing single family dwelling, extension to existing lower ground floor level and associated internal and external alterations to building including demolition and replacement of existing conservatory. Installation of ventilation plant. NAMELY, to allow design changes to lower ground floor conservatory, additional excavation associated with the provision of two pool vents at ground floor level, changes to plant, internal layout changes and alterations to hard and soft landscaping. (Linked to 20/08286/FULL)

Variation of condition 1 of listed building consent dated 14 January 2021 (RN 20/07107/LBC) which itself varied condition 1 of listed building consent dated 02 October 2020 (RN: 20/04526/LBC) for the 'Erection of a single storey extension at lower ground floor level and enlargement of ground floor terrace, reconstruction of mansard roof, demolition of existing conservatory, installation of plant at lower ground floor level and associated changes, in connection with the use of building as a single family dwellinghouse (Class C3)'. NAMELY, to vary the approved drawing numbers to replace the glass to front ground floor windows, reinstatement of central sash window to fourth floor, replace the dado rail and wall panelling, alter the existing architraves, doors, cornices, skirtings and window surrounds, install decorative columns and new decorative ceiling.

Demolition of glazed conservatory and replacement with a new glazed extension, installation of external air conditioning unit at upper ground floor eastern side of the house, installation of two windows in historic blocked upside facade windows, and reinstate historic elements lost through insensitive past refurbishments. (Linked to 21/01679/FULL)

Erection of rear extension at lower ground floor level and associated excavation to lower ground floor level; glazed conservatory at rear ground floor level with associated balcony and stairs; partial demolition of existing closet wing and replacement with raised roof level; installation of dormer window, roof light and AC unit at roof level and associated works. Internal alterations, including changes to planform.

Demolition of conservatory and erection of a single storey rear full width and side infill extension to the lower ground floor, internal alterations, and addition of a new skylight to the property. (Linked to 21/01000/FULL)

External alterations to single dwelling to include extended front lightwell; extended rear lightwell, including new glazed conservatory; front floor side extension; and provision of 2no. air conditioning units within front lightwell. Internal alterations to existing dwelling. Demolition of existing garage and replacement with new garden room. Associated landscaping works. (Linked to 20/01815/FULL)

Erection of a single storey extension at lower ground floor level and enlargement of ground floor terrace, reconstruction of mansard roof, demolition of existing conservatory, installation of plant at lower ground floor level and associated changes, in connection with the use of building as a single family dwellinghouse (Class C3). (Linked to 20/04525/FULL)