This cache is not at the listed location, which is at the Holy Trinity Church and is the suggested starting point for the related Adventure Lab, a very interesting place to start.
To reach the co-ordinates for this cache you need to complete the Wolverton History Adventure Lab series. You need to have the Adventure Lab App installed on a smartphone and visit the 5 stages answering questions. Each correct answer at each stage gives you a find and will increase the number of lab caches you have found each time.
Once the set is completed, in the app, select "View Journal Entries" and scroll through the entries to retrieve the values for A, B, C, D and E to complete this puzzle.
N52 0C.BA(C+D) W000 4(A+C+D).(D+D)(B+E)A
The cache is a camo'd tube, please ensure it is closed correctly and hidden well.
Here's the link to the Adventure Lab: https://adventurelab.page.link/Bz3N
FTF Honours: JGJMGlanville - Well done!