UK Grocery Market Share October 2026: Lidl Gains Ground, Aldi Slows and Supermarket Volumes Barely Move
Tesco controls 27.8% of the British grocery market. Or 26.3%, depending on which research company you ask. Both figures were published on 13 October 2026. Worldpanel by Numerator puts Lidl ahead of Morrisons. NielsenIQ has Morrisons ahead of Lidl. Both agencies agree, however, that Lidl is gaining market share while Aldi and Asda are losing ground. There is another uncomfortable number. UK grocery sales grew just 1.0% in the latest four weeks, while grocery price inflation reached 2.5%. For retailers and FMCG suppliers, the problem is becoming familiar. Sales value can increase without much improvement in actual consumption. And winning market share does not automatically mean making more money. UK Grocery Market Share October 2026: Two Different Rankings The latest Worldpanel by Numerator report covers the 12 weeks ending 4 October 2026. NielsenIQ’s October Total Till report covers the 12 weeks ending 3 October. Both measure grocery retailers in Great Britain, but their method...