When you get here, look for the year the plaque was unveiled. The date may be obscured by items placed on it. Look carefully before moving anything. If you do have to move something, be respectful of the purpose of these items and replace them exactly as found.
Let the year be ABCD
Let E = the number of letters in Lady Pamela's surname
Solve this formula to find the location
N 52° 02.(B-D) D E W 000° 45.E C (A+D)
Please take care to replace the hide where you found it, and avoid muggles as this is an urban cache.
This is on Parks Trust land and the cache has been placed in accordance with the Landowner Agreement on the GAGB website.
If you really need to, you can check your solution here:
You can validate your puzzle solution with
certitude.
***** PLEASE NOTE IMPORTANT *****
CACHES ARE NOT ALLOWED TO BE PLACED ON ACTUAL MEMORIALS OR WITHIN THE BOUNDARY OF SUCH
AT ALL TIMES PLEASE TREAT LOCATIONS OF MEMORIALS WITH RESPECT