Tesco's grocery market share in Northern Ireland has seen a significant rise, highlighting changing consumer habits and market dynamics.

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Data from Worldpanel by Numerator reveals some exciting news: Tesco is firmly gripping the Northern Ireland grocery market, boasting an impressive **37.3%** share of take-home grocery spending in the year leading up to August 10, 2025. This marks a significant **7.2%** increase compared to last year, making it the fastest-growing option among its major competitors.
But what does this mean for shoppers and the overall market?
Market Dynamics and Competitive Landscape
Tesco’s surge in market share is particularly striking, surpassing the combined shares of its nearest rivals: Sainsbury’s at **16.8%** and Asda at **15.6%**.
Interestingly, Asda has seen a slight dip in its market presence, while Lidl is on the rise, now grabbing **9.2%** of the market. It’s a dynamic landscape, and the competition is heating up!
Last year, the grocery sector in Northern Ireland saw total spending hit **£4.4 billion**, representing a modest **1.9%** increase from the previous year.
What’s driving this growth? Factors like favorable weather and the end of school holidays have definitely helped boost consumer spending.
Consumer Trends and Spending Patterns
Emer Healy, the business development director at Numerator, weighed in on these trends, stating: “This growth was partly driven by warm summer weather and the tail end of the school holidays.” It’s fascinating to note that even though shoppers made **2.5%** fewer trips to the store, they’re spending more when they do go out, contributing an additional **£70.6 million** to market growth. Are we witnessing a shift in how people approach their grocery shopping?
Grocery inflation has also ticked up to **3.09%**, a slight rise from **2.97%** the previous month. Healy pointed out that the final weeks of the holidays, combined with pleasant weather, encouraged splurging on seasonal favorites, resulting in an extra **£7.8 million** spent on beverages like soft drinks, water, and ice cream. Who doesn’t love a cool drink on a sunny day?
Convenience and Prepared Meals on the Rise
Convenience is clearly a top priority for consumers, as evidenced by a **£2.5 million** increase in spending on chilled ready meals and antipasti. The busy summer social calendar also led to a surge in spending, with over **£6 million** poured into sports and energy drinks. Isn’t it great to see how our lifestyles are shaping our shopping habits?
As the grocery sector continues to evolve, these insights provide a glimpse into the preferences of Northern Irish consumers, highlighting a growing trend toward convenience and larger purchases during shopping trips. It’s clear that the way we shop is changing, and staying informed can help us make better choices at the checkout!




