 Condon successfully challenged the result before parliament, alleging that he had been libelled, resulting in Thompson's win being voided, but Condon lost the resulting by-election by a larger margin.He succeeded in a bid for the Legislative Council in a by-election following the death of Andrew Kirkpatrick, and held the seat until his own death in 1961.He served on the public Works Standing Committee, which oversaw the construction Morgan-Whyalla pipeline, Mount Bold Reservoir, Anzac Highway, Birkenhead Bridge, Port Adelaide and Glenelg sewage treatment works, the operating theatre complex at the Royal Adelaide Hospital, the Uley-Wanilla Basin scheme to supply water to Port Lincoln, and Adelaide Boys' High School on West Terrace.