London has topped a list of dirty dining destinations according to ratings from the Food Standards Agency (FSA).
Six out of the ten least hygienic areas were London boroughs, with a high percentage of zero rated restaurants recorded in Ealing, Enfield and Brent.
Newham has the highest percentage of restaurants and cafes rated between 0 and 2 at 29.2 per cent. Barking and Dagenham has the lowest percentage of eateries given top marks with just 27.1 per cent out of 177 premises in total.
Outside London the worst performing areas in England are Hertsmere in Hertfordshire, Birmingham in the West Midlands and Hyndburn in Lancashire, according to the study of FSA business ratings by website LoveMyVouchers.
Of the 1,249 eateries in Birmingham, 4.7 per cent were given the lowest possible rating for hygiene standards.
South Derbyshire was the council district that performed the best overall – with the highest proportion of restaurants rated good (4) or very good (5), and no restaurants rated 0, 1 or 2.
Darlington also performed well, with no 1 or 2 ratings, the highest percentage of 5 ratings, and 98.8 per cent of its restaurants and cafes scoring 4 and 5.