Trends · data through July 2026

Grocery & Convenience trends in Merthyr Tydfil

Iceflower tracks 121 stores from 66 grocery & convenience chains in Merthyr Tydfil. Tesco grew fastest over the last year, ahead of One Stop and Asda.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains
66
Tracked stores
121
Consumer panel
130M+

Growth ranking

Fastest-growing tracked grocery & convenience chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. Tesco and One Stop sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 T Tesco logo Tesco - -0.0%
2 O One Stop - -7.6%
3 A Asda logo Asda - -8.3%
4 I Iceland ▲1 -9.2%
5 C Co-op Food logo Co-op Food ▼1 -13.6%
6 L Lidl logo Lidl - -15.9%
7 P Premier - -17.5%
8 L Londis - -59.8%

Store footprint

Store map

121 tracked store locations in Merthyr Tydfil, colored by category.

Top tracked chains by store count

  • 1 P Premier 14
  • 2 C Co-op Food logo Co-op Food 7
  • 3 I Iceland 7
  • 4 N Nisa Local logo Nisa Local 5
  • 5 L Lidl logo Lidl 5
  • 6 T Tesco logo Tesco 5
  • 7 L Londis 4
  • 8 O One Stop 4
  • 9 A ALDI logo ALDI 4
  • 10 A Asda logo Asda 3
  • 11 F Farmfoods 3
  • 12 B Best-one 2
  • 13 M Morrisons logo Morrisons 2
  • 14 S SPAR 2
  • 15 H Heron Foods 2
  • 16 H Holland & Barrett 2
  • 17 F Fresh 'N' Fruity 1
  • 18 M Merthyr Food & Wine 1
  • 19 V Val's General Store 1
  • 20 E Edward Convenience Store 1
  • 21 P Pontlottyn Stores 1
  • 22 A Amphletts Butchers 1
  • 23 B Brynithel Stores 1
  • 24 L Llanhilleth Stores 1
  • 25 P Prices 1
  • 26 S S & S Stores 1
  • 27 W West View Stores 1
  • 28 M Madame Fromage 1
  • 29 F Family Shopper 1
  • 30 A AJ Convenience Store 1
  • 31 T The Ocean 1
  • 32 A A&S News, Best-one 1
  • 33 B Buy4Save Supermarket 1
  • 34 T Top Square Convenience Store 1
  • 35 P Perthcelyn Food Market 1
  • 36 H Household Stores 1
  • 37 G Grape Tree 1
  • 38 R Rassau General Stores 1
  • 39 R Rhymney Convenience Store 1
  • 40 M Mount Valley Store and Off Licence 1
  • 41 F Foundry Bargain Convenience Store 1
  • 42 W Waitrose & Partners logo Waitrose & Partners 1
  • 43 M M&S Simply Food logo M&S Simply Food 1
  • 44 B BP-Mid Glamorgan Service Station 1
  • 45 G Gilwern Garage 1
  • 46 M McColl's 1
  • 47 G General Store 1
  • 48 C Craig's Meat Shack 1
  • 49 G Gareth Rees 1
  • 50 H Hirwaun Village Stores 1

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