A small excavation by AAAHS in 1969 revealed a stone wall, built partly over a stone-lined well. The trench was 8 feet (about 2.4 metres) square. Medieval pottery, dating to the 12th and 13th centuries, was also found.
R.A. Rutland and J.A. Greenaway, 'Archaeological Notes from Reading Museum', Berkshire Archaeological Journal 65 (1970), 58.