Electrical Distribution System for 'Royal Horticultural Society New Building'. Intake 4. Undated.

Existing Basement Layout drawn by 'SB' of iDEA Architecture and Construction on April 4th 2005.

Plan of first floor air conditioning control panel, dated August 1991. Drawn by 'M.P.' at Air Circulation & Design Ltd.

1:100 scale 'Hall 2' floorplan drawn by the Royal Horticultural Society and dated '4/5/93'. Includes main hall, raised dais and mezzanine.

1:100 scale 'Hall 2' main hall floorplan drawn by Patrick Donohue and dated 'February 1999'.

1:100 scale floorplan of New Horticultural Hall main floor, raised dais and entrance foyer. Produced by J.S. Services.

Hand drawn schematic of heating systems, annotated with technical specifications.

Hand drawn plan of the kitchen/bar buffet and restaurant HWS and heating services. Not dated or signed.

Plan of layout of main boiler room, dated October 1973. Drawn by D.J. Howe.

Plan of new low pressure hot water pump control equipment installed into existing control panel, dated July 1991. Drawn by 'M.P.' at Air Circulation & Design Ltd.