Variation of Condition 1 and 11 of planning permission dated 20 October 2022 (RN: 22/04903/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; and amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; namely, design modifications to the Carlton House Terrace elevation including an additional entrance, pavement lights, replacement railings and re-alignment of a section of the south facade; alterations to the lower ground floor glazing on the west elevation, a new stairwell and platform lift to roof terrace (level 10), widening of central core to accommodate emergency access and fire-fighting lifts, realignment of level 10 balustrade and alterations to south-west lift overrun and amendment to the wording of Condition 11 to include the word 'pergolas'.

Amendments to planning permission dated 23rd January 2023 (RN: 22/05428/FULL) for 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, namely to amend the wording of Condition 3 (Code of Construction Practice) to enable early works to be carried out in accordance with the Appendix A dated 22/11/22 signed by the Environment Inspectorate and prior to the discharge of Condition 3.

Amendments to planning permission dated 30 March 2022 (21/07642/FULL) for the variation of Conditions 1, 20, 21, 23, 24 of planning permission dated 16th March 2021 (RN 20/04933/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; NAMELY, Street scape enhancements (Front elevation - Carlton House Terrace and Facade realignment); Amenity enhancements (Inclusion of glazed doors to external terraces (west elevation), external terraces and Level 10 Roof Access) and Detailed design and technical amendments (Widening of the central 'core strip' and Balustrade Position at level 10).

Variation of condition 2 (Approved Plans) and condition 5c (Detailed Drawings) under Section 19 of the Planning (Listed Buildings and Conservation Areas) Act 1990 following a grant of Listed Building Consent ref. 19/04644/LB (Refurbishment of lower ground floor to provide new WC and shower facilities. Erection of a rear extension at 1st floor level, including the construction of a rendered wall to enclose the existing terrace and installation of 2 dormer roof windows. Reconfiguration of existing storeroom at no.516 to provide cycle storage, and reinstatement of link between nos. 518-522 and no. 516. Other internal and external additions/alterations. Works are in connection with the change of use of ground floor of nos. 518-522 from public house (Use Class A4) to coffee shop (Use Class A3), and conversion of existing single flat over first and second floors of nos. 518-522 into 2 self-contained flats.) granted on 26.03.2020. Variation sought: minor material amendments including the reorientation of the rear staircase/balcony, reinstatement of windows and alteration of the colour specification of the render for the elevations to the rear and installation of a bollard in the courtyard to protect vehicles from the proposed outward opening door.

Approval of details pursuant to conditions 4(method statement) and 6 (Details of all new external vents, services or plumbing for kitchens and bathrooms) of Planning Permission Ref:19/04644/LB (Refurbishment of lower ground floor to provide new WC and shower facilities. Erection of a rear extension at 1st floor level, including the construction of a rendered wall to enclose the existing terrace and installation of 2 dormer roof windows. Reconfiguration of existing store room at no.516 to provide cycle storage, and reinstatement of link between nos. 518-522 and no. 516. Other internal and external additions/alterations. Works are in connection with the change of use of ground floor of nos. 518-522 from public house (Use Class A4) to coffee shop (Use Class A3), and conversion of existing single flat over first and second floors of nos. 518-522 into 2 self-contained flats.) granted 26.03.2020

Approval of details pursuant to conditions 4 (method statement) 6 (Details of all new external vents, services or plumbing for kitchens and bathrooms) and 7 (cycle parking) of Planning Permission Ref: 19/04643/FUL (Change of use of ground floor of nos. 518-522 from public house (Use Class A4) to coffee shop (Use Class A3), and refurbishment of lower ground floor to provide new WC and shower facilities. Conversion of existing single flat over first and second floors of nos. 518-522 into 2 self-contained flats, involving the erection of a rear extension at 1st floor level, including the construction of a rendered wall to enclose the existing terrace and installation of 2 dormer roof windows. Reconfiguration of existing store room at no.516 to provide cycle storage, and reinstatement of link between nos. 518-522 and no. 516.) granted on 25.08.2020

Approval of details to discharge part of condition 5 comprising the following: 5-b) details of bin store, 5-d) Details of paving stone and 5-e) Details of dormers of Listed Building ref: 19/04644/LB (Change of use of ground floor of nos. 518-522 from public house (Use Class A4) to coffee shop (Use Class A3), and refurbishment of lower ground floor to provide new WC and shower facilities. Conversion of existing single flat over first and second floors of nos. 518-522 into 2 self-contained flats, involving the erection of a rear extension at 1st floor level, including the construction of a rendered wall to enclose the existing terrace and installation of 2 dormer roof windows. Reconfiguration of existing storeroom at no.516 to provide cycle storage, and reinstatement of link between nos. 518-522 and no. 516) granted on 25.08.2020.

Approval of details to discharge part of condition 5 comprising the following 5-b) details of bin store, 5-d) Details of paving stone and 5-e) Details of dormers of Listed Building ref: 19/04644/LB (Change of use of ground floor of nos. 518-522 from public house (Use Class A4) to coffee shop (Use Class A3), and refurbishment of lower ground floor to provide new WC and shower facilities. Conversion of existing single flat over first and second floors of nos. 518-522 into 2 self-contained flats, involving the erection of a rear extension at 1st floor level, including the construction of a rendered wall to enclose the existing terrace and installation of 2 dormer roof windows. Reconfiguration of existing store room at no.516 to provide cycle storage, and reinstatement of link between nos. 518-522 and no. 516) granted on 25.08.2020.

Change of use of ground floor of nos. 518-522 from public house (Use Class A4) to coffee shop (Use Class A3), and refurbishment of lower ground floor to provide new WC and shower facilities. Conversion of existing single flat over first and second floors of nos. 518-522 into 2 self-contained flats, involving the erection of a rear extension at 1st floor level, including the construction of a rendered wall to enclose the existing terrace and installation of 2 dormer roof windows. Reconfiguration of existing store room at no.516 to provide cycle storage, and reinstatement of link between nos. 518-522 and no. 516.