(i) Alterations to the office entrance at 11 Philpot Lane (ii) replacement of windows to rear elevations (iii) replacement finishes to the existing terraced areas at levels 4 and 5 and (iv) removal of a horizontal metal fin screen to the Level 5 terrace.

Change of use of basement level B1, parts of basement level B2, ground and first floors from Sui Generis to Class E (Office) use (919sq.m); reconfiguration of mansard roof to sixth floor and addition of glazed mezzanine pavilion and external terrace area at roof level (seventh floor); formation of new entrance courtyard on Wilson Street elevation and reinstatement of pavement lights within the site area on Wilson Street; alterations to the ground floor facade on Wilson Street; insertion of new windows on north elevation within existing brickwork panels; alterations to windows on east elevation; new roof terrace atop Eldon Street building; and associated internal alterations and ancillary external works.

Change of use of the North Block to a function venue, museum, office space and archive store (Sui Generis) with associated external repairs and alterations including: (i) window alteration and replacement, (ii) rooftop alterations including the formation of a rooftop plant enclosure and (ii) the formation of an access ramp.

Internal and external alterations associated with the conversion of the North Block to a function venue, museum, office space and archive store (Sui Generis) including: (i) repair works; (ii) window alteration and replacement: (iii) rooftop alterations including the formation of a rooftop plant enclosure; (iv) the formation of an access ramp; (v) internal reconfiguration to include the removal and insertion of partitions.

Submission of details pursuant to the following parts of Condition 6 of planning permission 20/00602/FULL dated 12 November 2020: a) Particulars and samples of the materials to be used on all external faces of the building including external ground and upper level surfaces; b) Details of the proposed new facade interventions including typical details of the fenestration, entrances and new 5th floor fa?ade; c) Details of a typical bay of the development; d) Details of the metal and stone decorative elements to applied to the building including the main entrance portal, window surrounds and spandrel panels, service entrance doors and vents; e) Details of ground floor elevations; f) Details of the ground floor office entrance; g) Details of new dormer windows; h) Details of soffits, handrails and balustrades; and i) Details of alterations to the existing facade.

External alterations including, facade and fenestration replacement and replacement office entrance; part demolition and extension at roof level to create a roof top pavilion for Class E use and reconfigure the plant room; creation of roof terrace at 7th floor and associated hard and soft landscaping; provision of cycle parking and associated facilities; and other ancillary works.

External alterations to the existing building (Class E), including the part demolition of the existing roof and rear facade, and erection of a new 2 storey roof extension and extensions to the rear at floors 1-7; creation of a new accessible roof terrace and a plant enclosure at roof level; refurbishment works to the front facade including stone repair, replacement tiling, and lowering of principal entrances and other associated works; works to the north facade including introduction of new door and window at ground floor level; flexible use of part ground and part lower ground floors for either Office (Class E) or Restaurant and Cafe (Class E)/ Drinking Establishment (Sui Generis); and other associated works.

Installation of glazed balustrade to existing flat roof area on north elevation fronting London Wall for use as a terrace to office tenants, alterations to existing north elevation windows into doors to terrace, repositioning of door to east terrace, and associated works.

Internal and external alterations associated with the change of use of the Gatehouse to office space (Class E use) including repair and refurbishment works, the installation of a new sash window within an existing opening, the removal of existing partitions and the insertion of new partitions.

Change of use of the Gatehouse to office space (Class E use) with associated external works including repairs and the alteration of fenestration within existing openings.