Repair and refurbishment of roof and chimney stacks. Refurbishment of sash windows. Demolition of outbuilding and construction of single storey extension. Removal of one sash window and surrounding section of external wall to connect extension to existing. Conversion of garden outbuilding to create office and redecoration of external walls and front door. Installation of wood burning stove and associated flue liner within the living room. Alterations to the chimney breast and mantlepiece in the kitchen. Alteration of existing ground floor WC and alterations to existing surface water drainage system adjacent to house.

Repair and refurbishment of roof and chimney stacks. Refurbishment of sash windows. Demolition of outbuilding and construction of single storey extension. Removal of one sash window and surrounding section of external wall to connect extension to existing. Conversion of garden outbuilding to create office and redecoration of external walls and front door. Installation of wood burning stove and associated flue liner within the living room. Alterations to the chimney breast and mantlepiece in the kitchen. Alteration of existing ground floor WC and alterations to existing surface water drainage system adjacent to house.

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.

Demolition of concrete detached garage with asbestos roof and construction of a replacement double garage with a home office and roof windows and solar electric panels

External works and alterations (retrospective) including - the construction of a new entrance porch, new chimney, replacement cladding and external materials to the walls and roof and new windows and doors to allow the change of use of the building for uses incidental to the principal use of the dwelling known as Birchwood Farm as a home office, overnight guest accommodation, and the provision of new welfare facilities including toilet and shower in addition to agricultural use

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).

Construction of two storey rear extension, front porch and lychgate. Raising of roof to garage to incorporate home office, including new dormer windows and re-cladding external walls

Construction of home office/annexe with alteration to fenestration and 2 roof lights.

Construction of home office/annexe with alteration to fenestration and 2 roof lights.