Tesco, Morrisons, and Sainsbury's shoppers face 'price differences' at smaller stores

Shoppers who buy groceries from convenience store chains could be paying up to a fifth more than at larger branches of the same supermarket, a study has claimed. The research, conducted by Which?, compared the cost of 42 popular grocery items at convenience chains Morrisons Daily, Sainsbury’s Local and Tesco Express against prices at their full-sized supermarkets on three occasions in June and July, also accounting for loyalty scheme discounts.

The most significant price difference was found at Morrisons Daily, where shoppers paid an average of 21% more for the same groceries than at a Morrisons supermarket. A 400g tin of own-label chickpeas was 104% more expensive at the convenience store – £1 compared to 49p at the supermarket – while a 165g tub of Philadelphia soft cheese cost 63% more at £2.58, compared with £1.58 at the supermarket.

In total, the basket of groceries at Morrisons Daily averaged £16 more, which could set consumers back a total of £832 more over the course of the year if they bought the same products once a week, Which? cautioned. Three products were discounted for loyalty scheme members in Morrisons' bigger stores but not at its convenience stores, meaning the average price difference for cardholders would have been slightly higher at 22%.

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Which? also claimed that while Sainsbury's and Tesco had fewer price differences between their convenience stores and larger outlets, Sainsbury's Nectar members could still be paying an average of 14% more at Sainsbury’s Local, while Clubcard holders could be paying 11% more at Tesco Express. Despite Clubcard offers, a pack of six Mr Kipling Bakewell Slices was £2.32 on average at Tesco Express but £1.50 at Tesco supermarkets – a 54% difference.

A 500g bag of own-label fusilli was 31% or 20p cheaper at a larger Sainsbury’s supermarket at 65p instead of 85p. In total, the basket of 42 groceries averaged around £11 more at Sainsbury’s Local and £10 more at Tesco Express for loyalty scheme members compared to their prices at the larger stores, adding up to more than £500 over a year.

All three supermarket convenience stores charged 8% more for two pints of own-label semi-skimmed milk – with or without a loyalty card. A medium white Hovis loaf cost 12% more at both Sainsbury’s Local and Tesco Express, and 14% more at Morrisons Daily.

Yet, at Morrisons Daily a 180g bag of Doritos Cool Original tortilla chips was 15% cheaper, a one litre bottle of Robinsons orange squash was 25% less and Kenco Millicano instant coffee was 32% cheaper. Clubcard holders paid 14% less on average for a five-pack of Nature Valley cereal bars at Tesco Express and 6% less for a 460g bottle of Heinz Tomato ketchup.

Over half of the people surveyed by the consumer watchdog frequent convenience stores at least once a week, mainly opting for supermarket-branded products. Which? Retail editor Ele Clark said: "Unfortunately, many people are without easy access to transport or online deliveries which leaves them reliant on smaller nearby stores.

"Convenience stores may often be easier to travel to and handy for shoppers who need to stock up on a few essentials, but people who have to use them regularly will be spending significantly more over the course of a year than those with access to larger supermarkets. Sainsbury’s, Morrisons and Tesco have committed to offer a broader range of budget and lower-priced ranges in their convenience stores as a result of Which? campaigning, but this latest research shows that more can still be done to increase the range of affordable product options for those consumers who rely on convenience stores."

In light of the findings, a Sainsbury’s spokesperson told PA: "There may be price differences between convenience stores and supermarkets. This is because our Sainsbury’s Local stores, which tend to be located in city or town centre locations, often have higher operating costs relative to their size, such as rents and business rates.”

Morrisons said: "We're always working hard to keep prices down and competitive for our customers while maintaining high standards and availability in all our stores. Last year, we became the first supermarket to introduce our budget ‘Savers’ range into Morrisons Daily stores nationwide.

"We know our customers and business partners would like to see the More Card accepted in Morrisons Daily stores, so we are actively working on introducing the offer into our convenience estate in the coming months."

Tesco has been approached for comment.