Grocery Savings Revealed
Which? Reveals Aldi as UK's Cheapest Supermarket, Offering Significant Savings on Weekly Groceries
Aldi has been named the cheapest UK supermarket, where a basket of 95 items costs just £163.34 — a saving of up to £66 compared to pricier rivals, according to Which? research. Lidl came in second, just £1.58 more expensive at £164.92.
The findings suggest that switching where you shop remains the fastest way to cut your weekly grocery bill. For many households, that one change alone could save hundreds of pounds over a year.
Aldi and Lidl Leave Rivals Far Behind
Which? compared a basket of 95 common grocery items across major UK supermarkets. Aldi came out on top at £163.34. Lidl followed closely at £164.92. The gap between the two budget chains and the rest of the pack was stark.
Asda placed fourth at £190.39. That means shopping at Aldi instead of Asda saves around £27 per week on the same basket. Over a full year, that adds up to more than £1,400.
Sainsbury's Nectar Card Undercuts Tesco in June
One of the study's bigger surprises was Sainsbury's. Its Nectar card loyalty prices allowed it to beat Tesco in June. Without the card, Sainsbury's would have ranked lower. This shows how loyalty schemes can change the rankings month to month.
Morrisons also beat Tesco's standard, non-loyalty prices. That placed Tesco near the bottom of the mid-range supermarkets. Shoppers not using a Clubcard at Tesco are paying more than those using rival loyalty schemes elsewhere.
The £66 Gap Between Cheapest and Most Expensive
The full gap between the cheapest and most expensive supermarket in the study reached £66. That is the difference between Aldi at £163.34 and the priciest retailer in the comparison. For families shopping weekly, this is a significant sum.
Consumer group Which? runs these basket comparisons regularly to track how prices shift. The results can change each month as supermarkets adjust their deals and loyalty offers. June's results put the discount chains firmly in front.
Switching Shops Still the Fastest Way to Save
The research points to a simple takeaway: where you shop matters more than what brands you buy. Switching from a mid-range supermarket to Aldi or Lidl can cut costs immediately. No coupons or loyalty cards are needed to access those low prices.
For shoppers who cannot easily reach a discount supermarket, loyalty cards at Sainsbury's or Tesco offer the next best option. But the data is clear — the budget chains remain in a league of their own on price.
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