Where is the cheapest supermarket?

cheapest supermarket

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Aldi has been named the UK’s cheapest supermarket in March, coming out £20 cheaper than Waitrose but just 25p less expensive than Lidl.

Cheapest supermarket for small shops

A basket of 41 grocery items at Aldi cost £72.54 on average across the month, compared with £92.55 at Waitrose and £72.79 at Lidl, Which? Found.

cheapest supermarket for small shops
Price comparison of a basket of 41 grocery items (Which?)

Cheapest supermarket for big shops

A comparison of 137 items – the original 41 as well as another 96 including branded products such as Andrex toilet paper and Cathedral City cheese, and not including Aldi and Lidl, found Asda was the cheapest, costing £343.91.

Sainsbury’s was the next cheapest, costing £9.25 more.

Waitrose was £41.83 more expensive than Asda.

cheapest supermarket for bi shops
Price comparison of a basket of 137 grocery items (Which?)

Which? said the findings demonstrated that shoppers can make considerable savings on their groceries depending on where they buy their food.

However, it said many of the major supermarkets had not done enough to support their customers during the cost of living crisis.

How supermarkets could help more

The watchdog said retailers should be helping customers by making sure affordable basic ranges were available in all branches, including smaller convenience stores, as well as improving unit pricing on all products to allow customers to easily work out the best value.

Which? Retail editor Ele Clark said: “We know people are suffering through the worst cost-of-living crisis in decades and the price of food and drink has skyrocketed no matter where you shop.

“However, our monthly supermarket analysis shows you could save £20 on a basket of everyday groceries at the cheapest supermarket compared to the priciest one.

“Supermarkets aren’t currently doing enough to help customers. Which? believes the big retailers have a responsibility to ensure everyone has easy access to basic, affordable food ranges at a store near them, and to provide transparent pricing so people can easily work out which products offer the best value.”

Last month, the Office for National Statistics reported that UK inflation shot up unexpectedly to 10.4% in February as vegetable shortages pushed food prices to their highest rate in more than 45 years.


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