The Curry Micro series was originally conceived in Sussex by two curry loving Geocachers by the names of BHA LOYAL and proftonks back in 2012.
At the published coordinates you will be able to obtain a telephone number.
Call this 02380 AB64C0
Then calculate the final location (which is a short walk away) using this formula:
N50 56.(C)(C)(A+1) W001 21.(C)(B)(A+A)
Checksum of all 15 digits is 39
You'll find rewards, league tables and stats by visiting the Curry Micro Series website.