For some advice on maintaining food hygiene in your kitchen at home, The Food Standards Agency have produced some useful pages:
Use by and best before dates
Safe cooking of chicken
Kitchen Check: Looking at your kitchen habits and how you may be putting you or your family/friends at risk of food poisoning
How to Barbecue Safely
Allergies and intolerances
In December 2014, the law on how allergen information is provided by food businesses changed to make it easier for those with allergies or intolerances to buy food and eat out safely.