Erection of a ground floor rear extension, front porch, first floor side extensions, loft development with front and rear roof lights, facade alterations, whole house internal alterations and all associated works.

Part change of use and conversion to mixed use development comprising Commercial, Business (Class E), Storage (Class B8) and Sui Generis units at ground floor; Construction of a two-storey extension with Mansard roof to the front of the site and a two-storey extension to the rear of the site, in order to form 8no flats (Class C3); to include changes to the fenestration and associated works to the rear to provide refuse, cycle and storage facilities accessed from Vivash Road.

Erection of single storey mansard roof extension to create additional residential (Class C3) floorspace and rear terrace at second floor level with associated works to the building including new and replacement windows. [Revised Description of Development to include terrace]

Horizontal extension at 8th and 9th floor levels and three-storey vertical extension plus plant enclosure to create Class E floorspace; alterations and refurbishment to existing windows and facades; structural alterations and repositioning of cores; creation of new and refurbished entrances on Gresham Street and at the junction of Aldermanbury and Love Lane; creation of inset balconies; creation of roof terraces at levels 8, 10 and 12; removal and replacement of plant and installation of PV; public realm improvements for new hard and soft landscaping; removal of ground floor mezzanine level facilitating the provision of retail frontages and retail units to Aldermanbury; provision of cycle storage and other works incidental to the development.

Changes to front elevation to include doors, windows, roof, wall cladding material, sign board, flags, new door at the front and reduced footprint of the building. (development already commenced).

Construction of 2 no. new garages to serve flats, as 2 no. few garages were constructed when the development was orginally built. Replacement of profiled cement roof sheets to garages and stores and repalcement with high performance felt and removal of dwarf brick parapet wallto perimter of front of garages. Replacement of existing metal up and over garage door with new metal units. Forming of new 1 metre wide strip of tarmac in front of Luqa and Seletar garages, to allow cars to park without tuning on the grass areas.

Partial excavation of existing rear garden to create a new two storey link extension at lower ground and ground floor level behind 25 Wimpole Street and 18-20 Harley Place to provide Class E (g)(ii) research and development space in conjunction with a new single storey basement and mansard roof extension at 18-20 Harley Place, installation of new plant on main roof at 25 Wimpole Street and new rear garden and outdoor terrace spaces to the rear of 18-20 Harley Place and 25 Wimpole Street. (Part of a land use swap with 27 Wimpole Street). (Linked with 23/03400/FULL)

Removal of existing rooftop mast and installation of 3no. replacement antenna, ancillary radio equipment and 1no. GPS module onto 3no. new tripod roof supports, upgrades to equipment cabinets at ground level and ancillary development thereto

Application under Section 73a of the Town and Country Planning Act 1990 to carry out development without compliance with Condition 2 (Approved Plans) for Application Reference Number: 19/01776/FUL (Erection of a new detached house with a roof accommodation, detached cycle store in rear garden and 2 car parking spaces at the front) dated 18/10/2019. Variation to consist of changes to amend the roof from hip to gable with two rear dormers and installation of 2nos. front rooflights.

Change of use from dwellinghouse (Use Class C3) to flexible use permission as a dwellinghouse (Use Class C3) and a House in Multiple Occupation (Use Class C4) under the provisions of Class V of Part 3 of Schedule 3 of the Town and Country Planning (General Permitted Development) (England) Order 2015 including conversion of garage into habitable room, internal alterations and insertion of roof lights to front and rear