Caution: Do NOT use iSpot to identify fungi to eat!
Some fungi are very poisonous so a mistaken ID could have serious consequences.
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Does seem to fit apart from your's has a yellow ting to it but maybe that is because it is a mature specimen.
It did look quite white from some angles, this was in slight shade. KB
Indeed nbn map shows its not been found within many miles of that location. Did you have more photos showing top and other angles of fungus
Possibly more likely to be H. cirrhatum
Lat/Lng: 50.6, -3.6
OS grid ref: SX9185