The proposed alterations include the following but not limited to:

• Removal of the existing cladding to the rear and majority of the front elevation and replacement with new aluminium and stone. New 7-story extension to the rear and extension of the front level 5 terrace. New single-story extension at roof level and structural strengthening works internally.
• Refurbishment of the Upper John Street Elevation, including:
• The removal of the existing plant screen on the roof level to create an additional level of offices, the refurbishment of the upper floor to create a new mansard roof, a new roof terrace, new terraces incorporated into the refurbished façade, replacement of the existing glazing with new double glazing, refurbishment of reception façade bay, and a new retail shopfront.
• Refurbishment of rear elevation, including:
• Partial infilling of rear courtyard to create new office area at ground floor level, rear façade extension on first to fifth floors to create more internal area.
• Core reconfiguration, including toilets and MEP services upgrades
• Basement reconfiguration to include cycle storage, showers and changing facilities
• New roof terrace with integrated lift access, green roofs, and plant enclosure to rear. Extension to existing staircases to provide access to the new roof terrace.

The works will also include:

• structural alterations and associated required temporary works
• utility, mechanical, public health, and electrical services
• vertical transportation, including three passenger lifts and one passenger wheelchair platform lift serving level 7 to the roof terrace
• fire safety systems
• cat-A fit-out