Trends · data through September 2026

Upscale & Natural Grocers in Slough and Heathrow

Iceflower tracks 62 stores from 12 upscale & natural grocers in Slough and Heathrow.

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
12
Tracked stores
62
Consumer panel
130M+

Growth ranking

Fastest-growing tracked upscale & natural grocers

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year.

# Chain YoY growth
RankChainRank movementYoY growth
1 M M&S Simply Food logo M&S Simply Food ▲1 +13.9%
2 W Waitrose & Partners logo Waitrose & Partners ▼1 -12.9%

Store footprint

Store map

62 tracked store locations in Slough and Heathrow. The 7 largest tracked chains are highlighted.

  • M&S Simply Food (26)
  • Waitrose & Partners (21)
  • Grape Tree (6)
  • Ruislip Foods (1)
  • Vitamin Shop (1)
  • Food Mall Off Licence (1)
  • RK Superstores (1)
  • Other tracked chains

Top tracked chains by store count

  • 1 M M&S Simply Food logo M&S Simply Food 26
  • 2 W Waitrose & Partners logo Waitrose & Partners 21
  • 3 G Grape Tree logo Grape Tree 6
  • 4 R Ruislip Foods 1
  • 5 V Vitamin Shop 1
  • 6 F Food Mall Off Licence 1
  • 7 R RK Superstores 1
  • 8 D Dream Food and Wine 1
  • 9 G Gordon Supermarket 1
  • 10 O Oliver's Wholefood Store 1
  • 11 P Parkway Greens 1
  • 12 W Whole Foods Market logo Whole Foods Market 1

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