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.

(i) Demolition of roof top plant enclosure, rear service ramp and removal of cladding to facilitate the refurbishment, recladding and extension of the existing Office (Class B1(a)) building at 150 Aldersgate Street to create a basement, ground plus nine storey building, including rear and roof top extensions, infill extensions to the rear courtyard (ground plus two storeys) to link with 3-4 Bartholomew Place; (ii) a part change of use at ground floor from Office (Class B1) to Cafe (Class A1). (iii) erection of a new building Office (Class B1(a) at 3-4 Bartholomew Place comprised of basement, ground plus three storeys; (iv) the amalgamation of the two buildings; (v) the creation of new accessible and inaccessible terraces, green roofs, hard and soft landscaping, and creation of external courtyards; (vi) upgrade works to Braidwood Passage, including new lighting; and (vii) reconfiguration of the loading bay and associated works.

Refurbishment and extension of the existing building involving the partial demolition and partial infilling of the existing structure and the introduction of a new facade to all elevations and extension to the building at all floors, introduction of roof terraces at fifth and sixth floors, including a public viewing terrace and associated lobbies at second and sixth floors, alongside a part change of use at ground floor from Office to Retail/Cafe/Restaurant (Class A1/A3); a part change of use at first from Office to either Office or Retail/Restaurant (Class A1/A3/B1); second floor from Office to either Office or Retail/Restaurant (Class A1/A3/B1) and a change of use from Office to Retail/Cafe/Restaurant (Class A1/A3); a part change of use at sixth floor from Office (Class B1) to either Office or Restaurant/Bar (Class B1/A3/A4) and a change of use from office to restaurant/bar (Class A3/A4) use together with public realm works to Peter's Hill (including the removal and relocation of the southern HSBC gates), Lambeth Hill, Trig Lane and Paul's Walk (part of the Thames Path) and associated works, this part of the proposal include the rescission of part of the City Walkway.

(1) Infill extension to retail unit at ground floor for either Class A3 or Class A4 use, (2) Alterations at ground floor level to create an extension to the existing office entrance, (3) Change of use of part ground and lower ground floors from office (Class B1) use to a flexible use for either office (Class B1) or D1 medical uses with new entrance off Warwick Lane, (4) Change of use of part of the ground, lower ground and basement floors from office (Class B1) use to Class D2 gym use with a new entrance off Warwick Lane, (5) Creation of a new cycle entrance off Warwick Lane for new cycle parking at basement level. (6) New lighting design to Newgate Street colonnade, (7) Works to the facade and fenestration at ground and first floors associated with the office entrance on Rose Street, (8) Demolition of existing roof top plant and creation of a new seventh floor for Class B1 (office) use and creation of a secondary entrance from Newgate Street (9) Creation of new terrace at seventh roof level and re-landscaping existing terraces.

Alteration and extension to the existing building, including: (i) demolition of the existing mansard roof; (ii) erection of a replacement fourth floor and an additional two storey roof extension to provide additional office accommodation (Class B1) (net increase in floorspace: 273sq.m GIA); (iii) erection of a rooftop plant enclosure; (iv) associated works at ground floor level.

External alterations including (i) part demolition of the existing roof; (ii) erection of infill extensions and two storey roof extension to provide additional office (Class B1) floorspace; (iii) creation of terraces and plant enclosure at roof level; (iv) creation of new entrances; (v) alterations to the facade; (vi) reinstatement of bottle balustrade; (vii) reinstatement of turret on Finsbury Circus elevation; and (viii) associated works. Change of use from office (Class B1) to: (i) a flexible use of either retail (Class A1) or assembly and leisure (Class D2) at part lower ground and part ground floor level; (ii) a flexible use of either office (Class B1) or non-residential institutions (Class D1) or assembly and leisure (Class D2) at part lower ground and part ground floor level; (iii) a flexible use of either retail (Class A1) or financial and professional services (Class A2) or restaurants and cafes (Class A3) or non-residential institutions (Class D1) or office (Class B1) at part ground floor level; (iv) a flexible use of either retail (Class A1) or restaurants and cafes (Class A3) or drinking establishments (Class A4) or offices (Class B1) at part lower ground and part ground floor level; and (v) retail (Class A1) at part ground floor level. Change of use from Drinking Establishment (Class A4) to: (i) a plant room; and (ii) a flexible use of either retail (Class A1) or financial and professional services (Class A2) or restaurants and cafes (Class A3) or non-residential institutions (Class D1) or office (Class B1) at part lower ground floor level.

(i) Infill extension at third, fourth, fifth floor and roof level and infill of western lightwell at lower ground floor level to provide additional office (Class B1) floorspace; (ii) creation of terrace area at third floor level; (iii) infill of the rear lightwell and part demolition and reconfiguration of the basement levels storage vaults for ancillary facilities; (iv) reconstruction of the main entrance steps ; (v) installation of a platform lift and associated alterations to the forecourt including soft landscaping; (vi) the reconfiguration of internal layouts of building from lower ground to fifth floor levels, associated external refurbishment works; reconfiguration and installation of plant equipment and provision of cycle parking.

(i) Infill extension at third, fourth, fifth floor and roof level and infill of western lightwell at lower ground floor level to provide additional office (Class B1) floorspace; (ii) creation of terrace area at third floor level; (iii) infill of the rear lightwell and part demolition and reconfiguration of the basement levels storage vaults for ancillary facilities; (iv) reconstruction of the main entrance steps ; (v) installation of a platform lift and associated alterations to the forecourt including soft landscaping; (vi) the reconfiguration of internal layouts of building from lower ground to fifth floor levels, associated external refurbishment works and reconfiguration and installation of plant equipment.

External alterations to the existing building, including the part demolition of the existing roof and rear facade and erection of a new roof extension and extensions to the rear at floors 1-6; installation of a new plant enclosure at roof level; works to the front facade including stone repair and lowering of principal entrances and other associated works; change of use of part ground and part lower ground floors from Class B1 to flexible use for either Restaurants and Cafes (Class A3), or Drinking Establishments (Class A4) or Office (Class B1); other associated works.