Repairs and minor alterations to the existing windows and window framing at first, second and third floor levels of Crescent House, including: stripping, repairing and redecorating existing window frames; replacement of existing single-glazing with vacuum glazing panels; insulation works to the main concrete vaulted roof and first floor concrete soffit; and associated works.

Internal alterations to ground floor within the Chef's Shower Room, Staff Rest Room and The Lodge of Mansion House.

Removal of existing mezzanine floor and insertion of replacement floor, alterations to the fenestration on Shoe Lane at pavement level, insertion of an opening in the internalised east elevation of City Temple at lower ground and mezzanine level to facilitate linkage with Morley House, insertion of louvres on the Plumtree Court elevation; enlargement and underpinning existing foundations and additional column foundations; new Atrium junction detail between hotel and City Temple Church; and installation of new plant in association with the change of use of the lower ground and mezzanine floor to office space.

Internal alterations and refurbishment of 51 Defoe House including: 1. Lengthening of existing right hand side wall to kitchen hatch. 2. Removal of existing glazed, pocket door to kitchen and lengthening of existing L-shaped side wall. 3. Creation of new opening with fixed glazing in hallway/bedroom wall, relocation of light switch and addition of new double socket.

Refurbishment works to basement, lower ground and ground floor levels of Basildon House, including (i) internal alterations to re-align partition wall and amend entrance lobby, (ii) removal of external non-original goods lift and associated making good to north elevation with new railings and window to match, (iii) replacement cabling boxes, (iv) new external lighting to basement level, and (v) new externally illuminated sign to north elevation railings.

External alterations comprising the lowering of sills of two windows in the western facade of Thames House and installation of two doors to provide access from the seventh floor level for the new terrace amenity space.