Sales across the grocery market grew 1.3% to £26.6bn in the 12 weeks to October 6, while the average spend per trip also inched up 0.6%, according to the latest Kantar data.

The discounters Lidl and Aldi continued to collectively gain market share on the big four, which combined grocery sales jumping 0.8% during the period – an increase worth £1bn annually. Aldi reported a 7.3% increase to 8.1% of total market sales, while Lidl reported an 8.2% jump to 6%.

Combined the discounters now account for 14% of total grocery market sales.