 Together with his sons he purchased some land alongside the Preston River and a dilapidated ex-whalers cottage which he called "Charterhouse" and built a small timber chapel nearby.The church opened without consecration in September 1842 and is the second oldest still standing church in Western Australia, after All Saints Church at Henley Brook.It was later consecrated as St Mark's and is now located at the corner of Flynn and Charterhouse Close, Picton.