Bolete perhaps that has become infected with a mould. Growing under willow but large pine also nearby. 2 inches across.
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.
Almost certainly a Bolete infected by Hypomyces chrysospermus.
Lat/Lng: 51.7878, -2.7884
OS grid ref: SO457101