The Food Safety (General Food Hygiene) Regulations 1995

1.  In rooms where food is prepared, treated or processed (excluding dining areas)—

(a) floor surfaces must be maintained in a sound condition and they must be easy to clean and, where necessary, disinfect. This will require the use of impervious, non-absorbent washable and non-toxic materials, unless the proprietor of the food business can satisfy the food authority that other materials used are appropriate. Where appropriate, floors must allow adequate surface drainage;

(b) wall surfaces must be maintained in a sound condition and they must be easy to clean and, where necessary, disinfect. This will require the use of impervious, non-absorbent, washable and non-toxic materials and require a smooth surface up to a height appropriate for the operations, unless the proprietor of the food business can satisfy the food authority that there materials used are appropriate;

(c) ceilings and overhead fixtures must be designed, constructed and finished to prevent the accumulation of dirt and reduce condensation, the growth of undesirable moulds and the shedding of particles;

(d) windows and other openings must be constructed to prevent the accumulation of dirt. Those which can be opened to the outside environment must where necessary be fitted with insect-proof screens which can be easily removed for cleaning. Where open windows would result in contamination of foodstuffs, windows must remain closed and fixed during production;

(e) doors must be easy to clean and, where necessary, disinfect. This will require the use of smooth and non-absorbent surfaces, unless the proprietor of the food business can satisfy the food authority that other materials used are appropriate;

(f) surfaces (including surfaces of equipment) in contact with food must be maintained in a sound condition and be easy to clean and, where necessary, disinfect. This will require the use of smooth, washable and non-toxic materials, unless the proprietor of the food business can satisfy the food authority that other materials used are appropriate.