Refurbishment of the existing building for continued office use including the reconstruction of the rear ground extension; new rear terrace; rationalisation of plant equipment; replacement of windows; internal alterations; upgrades to services, fabric repairs and altered decorations; and conversion of the third and fourth floors to ancillary accommodation for The Mercers' Company (as per 15/01308/FULL and 15/01309/LBC).

Refurbishment of the existing building for continued office use including the reconstruction of the rear ground extension; new rear terrace; rationalisation of plant equipment; replacement of windows; internal alterations; upgrades to services, fabric repairs and altered decorations; and conversion of the third and fourth floors to ancillary accommodation for The Mercers' Company (as per 15/01308/FULL and 15/01309/LBC).

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.

Conversion of part of the ground floor to two flats, retention of the existing estate office at part ground floor level, installation of replacement windows at ground floor to match existing, and the provision of a new disabled parking space.

Conversion of part of the ground floor to two flats with internal and external works including: (i) reorganisation and refurbishment of the existing Estates office; (ii) internal reconfiguration and alterations including the removal and insertion of partitions; (iii) installation of replacement windows at ground floor to match existing: and (iv) the provision of a disabled parking space.