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.

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.

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 no. 25 and no. 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; internal alterations; and associated works (site includes 25-26 Chester Square and 49-48 Eaton Mews South). (Amendments to previously granted Listed Building Consent dated 22 December 2022 RN: 22/06622/LBC).

Amendments to planning permission dated 20th March 2021 (RN 20/01550/FULL) for the excavation of a basement beneath the footprint of the original dwelling. Erection of additional mansard roof storey with dormer windows. Alterations to elevation to provide new windows. Merging the two existing flats into a single dwelling house. NAMELY, to change the garage doors. Glass panel replaced by a louvered panel as required by ventilation strategy.

Demolition of existing front garage door and installation of new triple sash window; removal of concrete ramp to garage with installation of new cantilevered off road car parking space at pavement level; new side extension plant room with air conditioning unit with louvered attenuation and side staircase to rear garden; installation of new back door access to property to side of existing closet wing at LGF level; new roof extension with rear dormer window to existing roof pitch; removal of existing chimney to rear of property; alterations to windows and doors.

Variation of Condition 1 of planning permission dated 23 November 2020 (RN: 20/06032/FULL) for alterations to front elevation, roof pitch and rooflights; creation of rear dormer at third floor level and external amenity spaces at first, third and roof levels; namely, installation of balustrade at roof level and installation of sliding garage door.

Erection of two dormer windows to rear associated with loft conversion; erection of extension and formation of window to rear at lower ground floor level; and replacement of garage door to front.

Details of windows; new external doors; garage doors; external railings; rooflights; dormer windows; and CCTV cameras pursuant to condition 5 (parts 1 - 7) of planning permission dated 31 August 2021 (RN: 21/00759/FULL).

Demolition of the existing dwellinghouse (retaining rear façade) and erection of dwellinghouse with basement level. Replacement of front elevation including installation of French windows with a Juliet balcony at first floor level. Replacement of dormer windows and two first floor windows on front elevation. Replacement of garage door with windows. Repositioning of front door. Insertion of ground floor windows on rear elevation.

Conversion of garage into residential; new winter garden and dormer window with balcony deck to rear elevation; extension to rear of third floor, changes to fenestration; and internal layout.