He then moved to London, becoming the representative of Lockerbie and Wilkinson, a firm of ironfounders who made cast-iron ware for the building trade, where he developed an interest in leadwork.
In 1905 his articles on leadwork topics began to be published in leading journals such as Country Life, Architectural Review, The Burlington Magazine, and The Art Workers' Quarterly.
[3] He wrote a large number of articles on country houses and gardens, especially those by Edwin Lutyens, providing a strong counterpoint to his predecessor, Avray Tipping.
[1] Weaver's career was subsequently supported by the patronage of Lord Arthur Lee, his Minister of Agriculture and Fisheries (1919–21), owner of the Chequers estate and later co-founder of the Courtauld Institute of Art.
Their son, Tobias Rushton Weaver (19 July 1911 – 10 June 2001), Sir Toby from 1973, was a civil servant and educationist, working in the Department of Education and Science for 27 years, culminating in his appointment as Deputy Secretary (1962–73), ending under Margaret Thatcher.