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For community events or clubs, the most recent guidance regarding food hygiene rules and on good hygiene practice, as well as on the rules regarding labelling of foods is covered in a question and answer format on the Food Standards Agency's “Eatwell” website at:
www.eatwell.gov.uk/asksam/keepingfoodsafe/asksamevents/
Guidance on food allergies with regard to non-prepacked foods can also be found on the agency's website at:
www.food.gov.uk/foodindustry/guidancenotes/labelregsguidance/nonprepacked
No licence or permit is required for the sale of such foodstuffs at such events.