Bracket about 15 cms or so 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.
Looks like Artists Fungus or Southern Bracket
Do you have more photos? Were there more on same tree? What tree was it on?
The more info you can submit the more likely someone can id
The more I know the more I realise I don't know
Lat/Lng: 51.262, -1.0564
OS grid ref: SU659518