Aldi has been named as the UK’s cheapest supermarket again in March, beating Lidl’s loyalty scheme prices, according to new data from consumer group Which?

The consumer group which compared the prices of a shopping list that included 79 popular branded and own-brand grocery items, including Hovis sliced bread, milk and cheese. Aldi was found to be the least expensive supermarket at £133.73.

However Lidl, with its loyalty scheme prices, was just 67p more expensive than Aldi at £134.40, while the same items cost just an additional 3p more without the Lidl Plus savings. However, the discounter listed just one item from the list on loyalty discount during the period.

Tesco (with a Clubcard) came in as the fourth cheapest at £146.79, followed by Asda at £147.09, and Tesco (without a Clubcard) at £149.83.

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Sainsbury’s (with Nectar) cost £150.46, while Morrisons (with a More Card) was £155.47 and without, was £1.39 more. Sainsbury’s (without Nectar) cost £159.24.

The most expensive supermarkets, according to Which?, were Ocado and Waitrose, costing £167.20 and £176.41, respectively, for the basket of 79 items.

Sainsbury’s was running Nectar price promotions on 21 items on the consumer watchdog’s list, while Tesco had Clubcard prices on 14 and Morrisons had More Card discounts on five items.

When comparing a larger shopping list of 203 items which did not include Aldi and Lidl, Asda was the cheapest at £498, followed by Tesco (with Clubcard) at £503.03.

This time, Sainsbury’s (without Nectar) was the second most expensive at £559.66, however, Waitrose was named the priciest supermarket once again, costing £573.15.