Contents of a folder labelled 'Thematic House: Engineering Report'.

Includes:
-Unlabelled perspective drawings (folded)
-Annex Plans by Farrell/Grimshaw Partnership June 1979 with pen annotations (folded)
-felt tip pen on tracing paper labelled 'Rear Elevation; Jencks' House Nov '78 (folded)
-comb-bound printed report by ACRAED titled 'A Feasibility Study of Passive Solar Heating for the Jenks House 19 Lansdown Walk, London March 1979' [sic] including 8 options for insulation and glazing of the house and conservatory with a comparison of predicted heating loads and costs.
-Notes in ink on tracing paper titled 'Design Solutions + Performance Analysis?' mainly regarding insulation, heating and solar energy collection (folded)
-calculation sheets from David French & Partners labelled 'preliminary' detailing loading calculations, with ink sketches on reverse

Bundle of drawings on tracing paper labelled on a post-it note "Farrell Partnership: South Elevation Dwgs; Solar Storage Ideas Circa 1982? Or before?"

The bundle is wrapped in a large piece of folded tracing paper with manuscript notes in pen on Orientation; Heat Loss Insulation; Thermal Mass; Solar Gains; Incidental Heat Gains; Fabric Losses and Infiltration Losses; Over-heating; Shading Devices. Inside are options for different arrangements of glass on the rear elevations and the likely impact of the sun.

Contents of a folder labelled 'Farrell-Jencks Letters 1978-1983'.

The file comprises letters between Maggie and Charles, Terry Farrell and staff at the Farrell/Grimshaw Partnership and Terry Farrell Partnership. Letters from Terry Farrell and his firm form the majority of the file; there are also some copy letters from Maggie and Charles, as well as photocopied correspondence from other parties, notes taken at meetings (manuscript and typescript) and a few draft designs. Many of the letters received from Terry Farrell/Terry Farrell Partnership have been annotated or have sketches on the reverse.

Topics covered include:
-programme of work
-builders and tradesmen
-fees and costs of work
-solar tempering
-planning consent
-program of work
-insurance
-reaction of neighbours to the designs and work
-cost/progress reports
-Venice Biennale
-request from Farrell for a name for the house
-credit for the designs
-problems arising due to working methods
-Charles' role as architect and client
-proposals for completion of works

Includes pages torn from Sunday Times Magazine 16 January 1983 with an article on Terry Farrell by Deyan Sudjic including discussion of the unfinished Jencks's house; photocopies of an Astragal piece in the AJ 19 May 1982 regarding the building work on 19 Lansdowne Walk and subsequent correspondence; incomplete manuscript notes (headed 3 and 4) regarding credit for the designs for the house.