Partial demolition of front facade and of rear facade, outdoor seating terraces and part of rear basement to 59 West Street. Rear extensions and refurbishment to 59 West Street, including to ground, first, second, third and fourth floor levels and addition of new fifth floor level to provide office accommodation (Class E) with replacement of existing West Street facade, new independent main entrance from Boyces Street, new entrance courtyard, waste management and recycling facilities to serve both uses, secure cycle parking and plantrooms. Retention and rear extension of ground and basement floors of 59 West Street as public house/nightclub (Sui Generis). Works include remodelling of internal layout and new window openings to rear of flats 1 and 3 within 60 West Street.

Change of use of existing storage building (B8 use) to office accommodation over two floors (B1 use) including external alteration to fenestration and single storey side extension to provide storage (B8 use) (Amended Description)

Demolition of existing stable building and construction of an underground secondary car storage area; creation of hidden parking area within existing landscaped area to rear of dwelling, with home office and gym; grading of land on western part of site with spoil from excavation; reconfiguration of existing driveway. Works to the existing dwelling comprising of a single storey rear infill extension; conversion of integral garage to habitable accommodation; removal of existing porches; reconfiguration of existing chimney; first floor front and rear extension; removal of bay windows; alterations to fenestration and installation of rooflights. Alterations to terrace and creation of outdoor swimming pool.

Extension of existing ground floor office accommodation and first floor mezzanine storage deck including insertion of new windows to north and east elevations (additional information received) (amended 18/05/23).

Variation of condition 1 of planning permission dated 30 May 2022 (RN:22/02156/FULL) for the Variation of condition 1 of planning permission dated 26 May 2021 (RN: 21/01109/FULL) (which varied conditions 1, 6 and 13 and removed conditions 8 and 18 of planning permission dated 11 September 2019 (RN 19/03450/FULL)) for 'Refurbishment and extension of existing building to provide additional B1 (office) floorspace, use of ground floor for retail (Class A1) purposes and Class A3 (cafe/restaurant) purposes and gym (Class D2) at basement level; terraced infilling of central courtyard, creation of roof terraces together with green roofs; reconfiguration and provision of additional plant accommodation at basement and roof level; replacement windows and new entrances together with new shopfronts; new layout at ground level for accessible parking and refuse store; cycle parking and showers and servicing at basement level, to amend the approved drawings to reflect design and technical development changes post planning permission, including alterations to proposed roof plant, removal of green walls and retention and refurbishment of pentagon roof. Namely amendment to layout at floor 8 to extend it and consequential amendment at roof level.

Demolition of existing lift motor room and chimney stack at main roof level. Erection of an extension at fifth floor level to facilitate the installation of a replacement and extended lift and erection of an extension within rear lightwell at basement and ground floor level to provide additional office accommodation (Class E). Installation of plant within an enclosure at main roof level. Installation of a single window in place of two windows at rear ground floor level. Infill of roof light at main roof level. Removal of rear fire escape stairs.

Erection single storey extension within rear lightwell at basement level to provide additional office accommodation (Class E) with courtyard above. Alterations at rear fourth floor to create a terrace. Infill of rear windows at basement level and roof light at main roof level. Replacement of existing doors/windows from ground to fifth floor level (roof enclosure) and removal of rear fire escape stairs.

Change of use of lower ground floor from part betting shop (Sui Generis) and part office (Use Class E) to retail and office (Use Class E), and change of use of part ground floor from retail to office use (Use Class Eg) and alteration and extension, including: (i) new and replacement windows to the facade at all levels; (ii) removal of existing rooftop plant enclosure and erection of one storey roof extension at seventh floor to provide office (Use Class E) with erection of plant room and fire escape above and creation of private terrace at roof level; (iii) new shopfronts and office entrance at ground floor level with reconfiguration of retail space; (iv) rear partial infill extension from first to sixth floors to provide office accommodation (Use Class E); and ancillary works.

Two-storey extension including roof-level plant along the Bressenden Place façade to provide a new office entrance pavilion (Class E), the provision of Class E office / retail accommodation, remodelling of the crown of Portland House and creation of a setback rooftop extension to provide office amenity (Class E) and an outdoor terrace, reconfiguration of the second floor plant accommodation fronting Cardinal Place, relocation of the zephyr on Bressenden Place, provision of cycle parking, public realm and associated works including window replacement and the application of a new façade treatment.

Variation of Condition 1 of planning permission dated 6 August 2021 (RN: 21/02885/FULL) for, 'Extension at rear ground and upper ground floor levels over the basement lightwell to provide additional restaurant and office accommodation (Class E). Installation of a new metal access stair from ground floor level to the retained basement lightwell'; NAMELY, increase in size of approved windows; adjustment to rear stair and slight reposition of wall. (Application under Section 73 of the Act).