Take-home sales at the grocers grew by 4.8% over the four weeks to 7 September versus last year, according to new figures from Kantar.
At the same time, like-for-like grocery price inflation dipped slightly for the second consecutive month to 4.9%, the group said.
Tesco won more market share than any other grocer in the 12 weeks to 7 September 2025, now accounting for 28.4% of all sales, up 0.8 percentage points compared to a year ago. Britain’s largest grocer saw growth across all channels, with spending up 7.7% – its highest rate since December 2023.
Ocado was once again the fastest-growing retailer, with sales rising by 11.9%. It outpaced the wider online market, which was up by 8.2% over the 12 weeks. Spending through the tills at Sainsbury’s increased by 5.4%, taking its portion of the market up to 15.1%.
Lidl was the fastest growing bricks and mortar retailer with sales up 11.0%, moving its share to 8.2% from 7.8% in 2024. Fellow discounter Aldi held its 10.7% share with an uplift in spending of 4.7%. Morrisons’ portion of the market is now 8.4%, while Asda’s stands at 11.8%.
Take-home sales at Iceland grew by 4.7% with its share remaining at 2.3%, while convenience specialist Co-op has a 5.4% hold of the market. Waitrose’s share sits at 4.4%, with spending up by 4.3%. Sales of groceries at M&S were 5.9% higher than a year ago.
“Prices might not be climbing quite as quickly, but they’re still on the rise and the battle between own-label lines and brands continues as household finances remain tight,” said Fraser McKevitt (Head of Retail and Consumer Insight, Worldpanel Division)
He noted that supermarkets’ own lines now make up 51.2% of all sales, up from 50.9% a year ago. Sales of these products grew by 5.9% this period, just ahead of brands at 5.3%, but it’s the premium own-label goods which are the real standout performers.
“Sales rose by an impressive 10.3% making it six months in a row that they’ve increased by double digits. However, brands are holding ground in some categories, including toothbrushes, frozen chicken, and baby toiletries, showing that consumers still value well-known names across some very different parts of the store.”
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