Crystal Palace were forced to close the club's training ground kitchen earlier this season due to an infestation of mice.
An environmental health officer visited the club's Beckenham training ground in late August, giving the kitchen the lowest possible hygiene rating. The club has since remedied the situation.
"You have been given a food hygiene rating of 0," reads a report which was released to the Kent Live website from the Bromley Council following a freedom of information request.
This is because the conditions found at the time of inspection were unacceptable.
Personally, I am disappointed as you have failed to ensure the safety of the food you are producing and feeding your staff.
The report stated that the kitchen had a "significant mouse problem" which had been "ongoing for several months".
A spokesperson for the club said:
"We invested substantially in the training ground over the summer, upgrading facilities for our players and staff, and immediately took action to remedy the issues highlighted in the kitchen area following the works.
"The remedial action was approved by the environmental health inspector and we are confident that our five-star rating at Beckenham will be restored when we are re-inspected, in line with our five-star rating for the kitchen facilities at Selhurst Park."
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