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UK Insights

Hottest day fails to rally grocery sales

Fraser McKevitt

Head of Retail and Consumer Insight

Shoppers 20.08.2019 / 08:00


UK supermarkets are struggling to grow, according to the latest Grocery Market Share data.

The latest grocery market share figures, published today by Kantar, show year-on-year supermarket sales were flat during the 12 weeks to 11 August 2019 as the tough comparisons with 2018’s strong summer continue.  

The memory of last year still looms large for retailers and this summer’s comparatively poor weather, combined with low levels of like-for-like price rises, have made growth hard to find for retailers.

July’s hottest day on record wasn’t enough to shift the market into growth, but the grocers will have been encouraged by glimpses of better weather during the past four weeks which helped boost sales of summer staples like hayfever remedies, suncare and burgers by 17%, 8% and 5% respectively.

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Lidl’s sales increased by 7.7% and the discounter reached a record market share of 5.9% during the past 12 weeks. Lidl’s raft of new store openings has helped it attract 489,000 additional shoppers this period. Its campaign to encourage people to do their main weekly shop at Lidl is making an impact and the average basket spend is now nearly £19, 3% higher than last year, though still significantly lower than the £22.65 average spend at the big four. While best known for its own-label products, branded lines at Lidl grew by 19% this period and now account for 13% of the discounter’s sales with a strong presence for alcohol, toiletries, household products and soft drinks.

Meanwhile, sales at rival Aldi increased by 6.2%, supported by sales of bakery products, up 11%, and biscuits, up 13%. Nearly half of all households shopped in an Aldi during the past 12 weeks, showing the extent to which the discounter has established itself in our retail landscape – this figure increases even further to 58.4% in the north of England where the retailer is most popular.

Once again Ocado claimed the top spot as the UK’s fastest growing grocer, increasing sales by 12.6% this period. The online retailer increased its shopper base by 7% and encouraged its customers to spend £1.93 more each delivery. Ocado’s share of the total grocery market now stands at 1.4%, while it commands 18% of all online supermarket sales.

In a tough market, Co-op also found growth: sales are 0.2% higher compared with a year ago. Its new high-profile £3.50 burger and beer deal, which encourages shoppers to opt for barbecue favourites despite the weather, has helped bring customers into its stores more often. At the other end of price spectrum, sales of the convenience retailer’s premiumIrresistiblerange grew by 11% driven by strong performances for crisps and snacks, cheese and fruit.

Sainsbury’s accounted for 15.4% of supermarket sales this period. While each of the big four lost share, Sainsbury’s will be cheered to be the strongest performer among this cohort for the first time since November 2017.  Bucking the market-wide own-label trend, sales of branded goods at Sainsbury’s rose by 1.5%, driven by higher levels of promotion and its price lockdown strategy.

Asda and Tesco’s sales shrank by 1.5% and 1.6% respectively. It wasn’t all bad news for Asda and Tesco this period. Asda’s online growth of 11% was notably strong while Tesco continues to find success with its cheapest own-label lines. In fact, total sales of Tesco’s value tier were £29 million higher than this time last year.

Already selling more items through deals than any other retailer, Morrisons increased its level of promotion this period as its overall sales fell by 2.7%. A reduction in number of items bought per trip also contributed to this decline and its market share fell to 10.1% during the past 12 weeks.

Waitrose’s market share decreased by 0.1 percentage points to 4.9%. Free-from products were a bright spot for Waitrose, and it sold 8% more items from these aisles than this time last year.  As diets change and public awareness of food intolerances continue to grow, free from products account for a greater proportion of sales at Waitrose than at any other retailer.

Iceland’s market share held steady at 2.1%, with sales down by 0.4% during the past 12 weeks.

Source : Kantar

Editor's Notes

Please note that four week ending or six week ending retailer share data should not be used in media reporting. The 12 week ending data stated in this release covers a longer time period which means it is a superior indicator of retailer performances and trends.

These findings are based on Worldpanel FMCG data for the 12 weeks to 11 August 2019.  Kantar monitors the take home grocery purchasing habits of 30,000 demographically representative households across Great Britain.  Kantar grocery market share data includes all expenditure through store tills, excluding petrol and in-store concessions. All data discussed in the above announcement is based on the value of items being bought by these consumers.


Retailer growth figures reported by Kantar relate to overall take home sales, and so include the impact of store openings or closures. Like-for-like sales change is not measured or reported. Calculating like-for-like sales requires a detailed knowledge of store openings and extensions which is information held accurately only by individual retailers.

Kantar will only support data that is published in the context we have presented it and our own interpretation of these findings. Our commentary is based upon our own data and information in the public domain. We cannot be held responsible for any other interpretation of these findings.



An update on inflation

Grocery inflation now stands at 0.9%† for the 12-week period ending 11 August 2019. Prices have been rising since the 12 weeks to 1 January 2017, following a period of grocery price deflation which ran for 30 consecutive periods from September 2014 to December 2016. Prices are rising fastest in markets such as crisps, canned fish and frozen fish, while falling in canned cola, instant coffee and chilled fruit juices.


† This figure is based on over 75,000 identical products compared year-on-year in the proportions purchased by shoppers and therefore represents the most authoritative figure currently available. It is a ‘pure’ inflation measure in that shopping behaviour is held constant between the two comparison periods – shoppers are likely to achieve a lower personal inflation rate if they trade down or seek out more offers.



For all publicly-quoted data, users of our research (including media) must ensure that data is sourced to ‘Kantar’.

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