Overview

• Aldi averaged £135.48 for a basket of 82 everyday items in May 2025.
• Lidl trailed by just 31p, with loyalty scheme prices at £135.79 for the same list.
• Waitrose topped the cost rankings at £184.03 for 82 items, making it 36% pricier than Aldi.
• Asda claimed the lowest price for a 198-item trolley at £485.79, more than £10 under Tesco’s Clubcard rate.
• Which? analysis shows that choosing the cheapest supermarket each month could trim grocery bills by up to 36%.