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.
(a.k.a. Many-Zoned Polypore, Tramates versicolor). but it looked as if it were being overgrown by another fungus.
The illustration of Bjerkandra in my book is not very like this photo, but reading up on it, a white margin is sometimes found in young specimens: this darkens with age.
So the revision above could well be correct.
Lat/Lng: 52.508, -1.794
OS grid ref: SP140900