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 01243 AB73CD
Then calculate the final location (which is a short drive away with parking nearby) using this formula:
N50 51.(C+D)(D)(B-B) W000 55.(C)(B-D)(C)
Checksum of all 15 digits is 41