To find the cache, you need to visit the Lych gate at the headline co-ordinates where you will find an inscription ' This Lych gate was erected under the will of Mrs Elizabeth Poynter in memory of her parents Richard and Elizabeth Skelding in ABCD'
Then use ABCD in the folowing format to find the final cache:
N 52 16.C (B-A) (B/3)
W 002 13.D (B-A-C) (A+C+D)