Food shopping costs £27 a week more

A basket of 24 common supermarket items such as tea bags and pasta sauce costs 27% more than it did 12 months ago, according to a survey.

The figure has increased from 21% last month.

Inflation is costing a family spending around £100 a week on groceries an extra £1404 over a year.

The supermarket price survey found Basmati rice is up 110% in 12 months from 90p for 1kg to £1.89. A one litre bottle of pure corn oil costs £1.38, up from 49p in August last year - a 181.6% increase.

An 800g thick sliced white loaf rose to 72p from 48p a year ago, a 50% increase. Six pints of semi-skimmed milk are 26% more expensive - a rise from £1.68 to £2.12 - than a year ago at Tesco, Asda and Sainsbury's.

Customers are paying 32% more for a dozen medium free-range eggs at the top three supermarkets, according to MySupermarket.co.uk - from £1.95 to £2.58.

Granulated sugar saw the biggest decrease, from 98p a year ago to 84p today - a 14% reduction. Also in the basket of goods were cheese, potatoes, bolognese sauce and cornflakes.

Demand for basic agricultural goods has led to huge increases in global grain prices in recent months.

Those costs then pass on down the food chain to meat and dairy products as farmers pay more to feed livestock.