Correspondents include: representatives of the Paterson Engineering Company (6); representatives of the Sevenoaks [Kent] and District Electricity Company Limited on electrical supplies (11); Horatio Seymour. Also includes notes and copies of correspondence from secretaries Jo Sturdee ("N S") [later Lady Onslow], Lettice Marston [later Lettice Shillingford], Elizabeth Gilliatt, and Grace Hamblin.Other matters covered by the file include: a purification plant for dealing with the lake water; the swimming pool; food for the secretaries; matters concerning cattle, trees, fish, and black swans; maintenance of various pieces of equipment; purchasing a television set; war damage repairs; the Well Street Cottage, Chartwell; lighting.Also includes: papers and plans for the water purification system; pamphlets on building materials; photographs of Chartwell; electricity bills.