Development of part four storey Norman Shaw South internal courtyard infill building, to provide further accommodation for parliamentary uses (Sui Generis). Partial reconfiguration of basement level of 1 Canon Row to accommodate a new cycle centre and goods lift connecting to the lower ground level. Single storey building in St Stephen's Yard connecting to Norman Shaw South and Portcullis House to provide an extension to existing accommodation for parliamentary uses (Sui Generis). Linked to 19/08271/LBC REVISED SCHEME: including amendments to risers and services and omission of photovoltaic roof tiles. RE-CONSULTATION following receipt of Addendum to originally submitted Environmental Statement (ES) and further information (EIA Reg 25) including updates to ES: Ch 4 Approach to assessment, Ch 6 Townscape & Visual Impact, Ch 7 Cultural Heritage, Ch 12 Ground Conditions, Ch 13 Cumulative Impacts

Excavation of a basement under existing house; enlarged lower ground floor under part of front and rear gardens with enlarged front lightwell and formation of rear lightwell, extension of ground floor living space, erection of concrete garden wall to rear garden and heightening level of rear garden, erection of roof extension between existing front and rear ridges at main roof level and associated door/ fenestration changes. (This scheme proposes the development as approved under applications 19/05827/FULL which varied 18/08748/FULL, but with amendments)