Molly Greeves compares the average price of a food shop at eight major UK supermarkets T he UK’s cheapest supermarket has been revealed, beating competing stores on price throughout February 2026. Exclusive data analysis by The Independent has found that Aldi was the cheapest supermarket last month, based on the average prices across a range of typical household food items. When we delved into the data, we calculated that a basket of 30 items costs £45.14 on average across the month at Aldi,