Conversion of existing garage into a habitable accommodation; construction of ground floor rear extension with roof light; roof light on front elevation; enlarged rear dormer window; and alterations to windows and doors.

Erection of a mansard roof extension, including internal air conditioning units; New roof light; Timber sash window; Replacement garage door and repositioning of entrance door to front elevation; New internal staircase up to second floor; and other associated works to enlarge and alter dwellinghouse (Class C3).

Variation of Condition 1 of planning permision dated 16 October 2023 (RN: 23/05842/FULL), which itself varied planning permission dated 22 December 2022 (RN: 22/06621/FULL) for: Reconfiguration of two residential units to form one unit within Nos. 25, 26 and 48; and new residential unit within No. 49; installation of four condenser units, two on each of the roofs of Nos. 25 and 26; and extension at rear third and fourth floor level of No. 25 and associated works (site includes 25-26 Chester Square and 49-48 Eaton Mews South). NAMLEY, to allow works to front lower ground floor including new York stone paving to lightwell with single step below external staircase, new timber sash window with sidelights, new security railings to both windows in lightwell at no. 25, to match no. 26 existing railings; new York stone paving at no. 26, lightwell, and new Portland stone to both no. 25 and no. 26; rear elevation works include new glazing and glazing bar layout to external door to rear elevation, omit proposed screen between 25 and 26 terraces, new metal railings to coping at no. 25 terrace, and new double dormer; new front door, garage gate and associated fanlights at no. 48.

Enlargement of rear lightwells and erection of rear extensions at lower ground floor, use of garage as habitable accommodation and associated replacement of garage door with window, replacement windows in rear extension, replacement rooflights, erection of storage/plant enclosure to rear, erection of trellis to rear boundary wall, removal of tree in front garden; alterations to front gate and railings and associated landscaping as well as internal alterations across all levels. (Linked to 22/08125/LBC)

Excavation of basement with lightwells to front; Demolition and replacement of rear extension at lower ground floor level with terrace at ground floor level; Excavation to lower ground floor and rear garden; Use of garage for additional internal accommodation; Installation of plant machinery to rear; Demolition of garden house; Replacement of windows throughout (part-retrospective); Landscaping works to front and rear gardens; and associated external and internal alterations. (Linked to 23/04726/LBC)

Demolition of garage to side and conservatory to rear at lower ground floor level; Erection of two storey extension to side and rear and single storey extension to rear with terrace above; Installation of plant machinery within enclosure in rear garden; Lowering of lower ground floor level and part of rear garden; Hard and soft landscaping works; Changes to fenestration and external alterations.

Conversion of the garage into a habitable room, alterations to windows and doors and installation of new railings and planters in association with creation of a terrace to front elevation at 1st floor level.

Details all new windows to main house and mews; new external doors; construction and window details of the new dormers to main house; construction and window details of the new dormers to mews house; and new garage doors pursuant to Condition 5 i, ii (part - external doors only), vi, vii and viii of planning permission dated 5 January 2023 (RN 22/05927/FULL).

Replacement of the existing garage door with new sash window.

Conversion of garage, relocating the entrance and first floor balcony to the next bay over, infilling the recessed porch, reposition first floor window, replacement garage door with french doors within the existing opening; extension of the existing side extension; addition of rooflights and two rear roof dormers, installation of borehole to facilitate ground source heat pumps and rainwater attenuation tank within front garden, and associated works.