This is Great St Mary's church in Sawbridgeworth.
The church is deeply ingrained in Sawbridgeworth History and the site is believed to date back to the Domesday times (11th Century). It is believed to have been a worship place for Anne Bolyn who was granted the nearby Manor of Pishiobury nearby by husband Henry VIII.
There is lots more information on the church and Friends of St Mary's site:
http://www.sawbridgeworthchurch.com/history.htm
To locate this cache you will need to get the need to find a bench: Vera McCarthy was born in ABCD
Then the cache can be found at:
N 51° 48.(B-C)B(C+D)' E 0° 9.C(A+D)(C+D)'
If you would like to add to the Church Micro series yourself then please look here
http://churchmicro.co.uk/
There is also a Church Micro Stats & Information page that can be found at
http://www.15ddv.me.uk/geo/cm/index.html