Amendments to planning permission dated 20 March 2020 (RN 19/08785/FULL) for the variation of condition 22 of planning permission dated 16 November 2018 (RN: 18/07079/FULL) which itself varied condition 17(i) of planning permission dated 12 December 2017 (RN 17/08082/FULL) for use of the ground floor and basement of no. 6 Catherine Street as a restaurant (use class A3), together with associated elevational changes at ground floor level (No. 6 Catherine Street); creation of a new opening between no. 6 Catherine Street and Vinegar Yard; enclosure of the rear part of Vinegar Yard; demolition of a redundant generator shed in Vinegar Yard; installation of exterior plant equipment on the Theatre Royal Drury Lane and Vinegar Yard; and the creation of a publically-accessible terrace on the Theatre Royal at the corner of Russell Street and Catherine Street. Internal works to the front of house, auditorium, stage area and back of house of the Theatre Royal; to allow the approved revolving doors to be replaced with double doors. NAMELY, installation of small duct on ground floor flat roof at rear of 6 Catherine Street.

Excavation of double storey basement extending under house, front and rear gardens and underneath the pavement to Craven Hill, associated replacement of rear garden staircase and garden room and boundary railings, and alterations to front lightwell. Replacement of storage shed with louvred structure for air conditioning equipment.

Excavation below main building and front and rear gardens to create a two storey basement and associated replacement of rear garden staircase and garden room. Replacement of storage shed with louvred structure for air conditioning equipment. Creation of tunnel connecting existing main house and mews property to convert 23 Craven Hill and 23A Craven Hill into a single household dwelling.

Excavation of double storey basement extending under house, front and rear gardens and underneath the pavement to Craven Hill, associated replacement of rear garden staircase and garden room and boundary railings, and alterations to front lightwell. Replacement of storage shed with louvred structure for air conditioning equipment, new subterranean link structure to facilitate amalgamation of nos. 23 and 23a Craven Hill

Excavation of a basement under footprint of the house and part of front and rear garden incorporating lightwells, demolition of existing rear conservatory and erection of a single storey glazed rear extension, removal of rear dormer and erection of new dormer window, installation of replacement rooflights, replacement/repair of windows, rebuilding of existing timber shed, installation of vehicular gates, installation of plant in enclosures at the side of the building, and general internal/external refurbishment works. (Linked to 20/03116/LBC)

Excavation of a basement under footprint of the house and part of front and rear garden incorporating lightwells, demolition of existing rear conservatory and erection of a single storey glazed rear extension, removal of rear dormer and erection of new dormer window, installation of replacement rooflights, replacement/repair of windows, rebuilding of existing timber shed, installation of vehicular gates, installation of an air conditioning unit at the side of the building, and general internal/external refurbishment works. (Linked to 20/03115/FULL)