Caution: Do NOT use iSpot to identify fungi to eat!
Some fungi are very poisonous so a mistaken ID could have serious consequences.
No interactions present.
Is that rock it is growing on?
No - it is a log
I think it might be Velvet Shank... see eg http://www.rogersmushrooms.com/gallery/DisplayBlock~bid~5832.asp
The caps are not as shiny or sticky-looking as usual, but the colours are about right and the stems do look a bit velvety.
Lat/Lng: 54.01965, -0.387569
OS grid ref: TA057593