Continuing on from my Secret Garden Adventure Lab at Eastcote House here is Part 2 of the story and a bonus cache to go with it. Complete the Adlab around these gardens, collect the bonus clues, work out the maths and go find that cache! Happy hunting.
You should have all the answers from the Adventure Lab plus G = A-1
N51 35. (C-E) G (B+G)
W000 22. (D-G) (F-(E+G)) (D-A)