St Peter's, Barton-upon-Humber, is a redundant medieval church in the care of English Heritage. As a result of a major program of research carried out between 1978 and 2007, it is now the most intensively studied parish church in the UK. Excavations between 1978 and 1984 investigated most of the interior of the building, as well as a swathe of churchyard around its exterior. At the same time, a…