UK supermarket named cheapest for sixth month in a row — £100 cheaper than most expensive rival

Aldi and Lidl are not on the list.Steffan Rhys Deputy Content Hub Director04:09, 11 Aug 2026The UK''s most affordable supermarket for branded goods has been revealed, claiming the top spot for the sixth month running. The latest findings from consumer watchdog Which? show that shoppers could end up paying more than double for identical products depending on where they choose to shop and whether they take advantage of a loyalty card.‌Which? says it uncovered price disparities of up to 159% between the same everyday household staples across major supermarkets in July. In an examination of 224 popular branded groceries — including Heinz beans, Nescafé coffee and Mr Kipling cakes — Which? said Asda retained its position as the most competitively priced supermarket overall, with the basket cost