The cache is placed at N54 24.ACB W006 35.(D-2)(2A)(D-2)
At the posted coordinates there is a sign that will provide all the information you need (and perhaps more!)
A = How many windows are indicated on the plan of the hermitage?
B = How many letters are in the word used to describe the clothing worn by the hermits (one word)?
C = How many letters are in the name of the location of a similar example of a hermitage in County Down?
D =How many letters are in the word used to describe the 'not uncommon' type of models (one word)?
The cache is a small screwtop container