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.

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.

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.

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.

Construction of a rear infill extension to existing ground floor projection, alterations to existing ground floor extension including louvres above roof glazing extension, changes to garden elevation of garage; installation of rooflights and dormer windows to roof level to allow for additional living accomodation; installation of additional windows to ground and 1st floor side and rear elevations.

Partial demolition of the existing single family dwelling and reconstruction and extensions to provide a new third floor dormer extension with rear terrace on top of a rebuilt second floor, reconstruction of rear basement, ground and first floors of the property to the existing rear building line, inclusion of additional windows and new fenestration in rear elevation and Juliet balconies at rear ground floor, creation of replacement rear second floor terrace with re-located roof lights and alterations to the front door and garage door.

Amendments to planning permission dated 8th December 2020 (RN 20/03395/FULL) for the erection of roof extension, erection of replacement rear extension and replacement of the garage door. NAMELY, amendment to position of small window in the dormer; change to narrow panel to the right of the ground floor sliding glass door from opaque glass to dark stained softwood boards; and the three rear elevation first floor windows will be lowered by three brick courses.

Erection of roof extension with dormer windows; first floor rear and side extensions; and alterations to windows and doors including garage door.

Erection of rear mansard roof extension with installation of two dormer windows to rear elevation, installation of replacement garage door and front door, and installation of a new skylight to front elevation.