Date 1134 A.D. (from)
Founded in 1134 by the second Baron of Halton, William fitz Nigel. The only Augustinian Priory founded in Cheshire. Fully excavated in the 1970's and open to the public with a Museum to show and explain many of the "finds" and its history..
Much more information at www.nortonpriory.org and www.rossbullock.co.uk (The second link deals only with the history of Norton)