The cache is not at the posted coordinates, which is in the middle of a busy dual carriageway! You need to complete the associated ALC in order to obtain the coordinates to this physical cache.
This is a bonus cache for completing the Adventure Lab "A Walk Around Mere and a Grand View". Although not required, please upload any (non spoiler) photographs from your adventure and tell all about your experience in your Lab Cache log. Your adventure can begin after downloading the Adventure Lab app from Groundspeak.
To find this adventure lab cache, you will need to download the Adventure lab cache and scan the link below.
https://adventurelab.page.link/Gq6x
or use the QR code:
You will have noted your answers from the Adventure Lab which you will need for the final coordinates.
From Malt House lab journal entry, A
From Clock Tower lab journal entry, B & D
From Dewes House lab journal entry, C
From National School lab journal entry, E
From Castle Hill lab journal entry, F
Final Coordinates are N51 6.ABC W002 14.DEF
Checksum for all digits = 51
You are looking for a camouflaged 350 ml clip lock box. There is parking available not far from the cache.
NOTE. There is a fast, straight road to cross from the parking area. TAKE CARE