https://www-bbc-co-uk.cdn.ampproject.org/v/s/www.bbc.co.uk/news/articles/cpd92pj94yeo.amp?amp_gsa=1&_js_v=a9&usqp=mq331AQGsAEggAID#amp_tf=From%20%251%24s&aoh=17586847273450&csi=0&referrer=https%3A%2F%2Fwww.google.com
The dungeon is a squeak outside of our period but also there is evidence of Roman stuff as well. In fact I've read about infants being buried under houses in the Roman/post Roman period a few times.