The coordinates take you to a corner of Twinches Lane Retail car park. There is no need to go there you can find the information you need online. However, the cache is hidden within the park. You need to get some information about the toy shop and the homeware shop to find the cache.
TOY SHOP
A= The number of letters in the town where the headquarters are.
B= How many brothers originally ran the company?
CDEF= The year the company was founded.
HOMEWARE SHOP
G= Number of letters in the founders first name
H= Number of letters in the town where the first shop opened up as C.D.S. Superstores.
JKLM= The year the company was founded.
The cache can be found at: N51 (D-F) (C-J).LFE W000 (A÷2) (M-2).(H÷B) (K-G) A