George Saxby, his father, owned and lived at Twickenham House on East St Helen Street. There is a detailed article about the house published by the AAAHS on their "Abingdon Buildings and People" website. To read the full article, use the link below and then ensure that you click on the "long history" in the tabs at the top of the article.
https://www.abingdon.gov.uk/abingdon_buildings/20-east-st-helen-street-twickenham-house