Trends · data through September 2026

Sandwich & Sub Shops in Slough and Heathrow

Iceflower tracks 68 stores from 15 sandwich & sub shops 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
15
Tracked stores
68
Consumer panel
130M+

Growth ranking

Fastest-growing tracked sandwich & sub shops

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.

# Chain YoY growth
RankChainRank movementYoY growth
1 S Subway logo Subway - -0.3%
  • Subway
  • Maja Polish Deli
  • Polski Smak
  • Punjabi Junction
  • Parsnips of Teddington
  • Jantar
  • Carlo Delicatessen
  • Other tracked chains

Store footprint

Store map

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

  • Subway (54)
  • Maja Polish Deli (1)
  • Polski Smak (1)
  • Punjabi Junction (1)
  • Parsnips of Teddington (1)
  • Jantar (1)
  • Carlo Delicatessen (1)
  • Other tracked chains

Top tracked chains by store count

  • 1 S Subway logo Subway 54
  • 2 M Maja Polish Deli 1
  • 3 P Polski Smak 1
  • 4 P Punjabi Junction 1
  • 5 P Parsnips of Teddington 1
  • 6 J Jantar 1
  • 7 C Carlo Delicatessen 1
  • 8 P Pogrebok 1
  • 9 D Double Deli 1
  • 10 R Richmond Deli 1
  • 11 P Pickled Pantry 1
  • 12 T The Deli 1
  • 13 P Pantry 1
  • 14 T The Alberts Deli 1
  • 15 M Magazin Romanesc-Las Fierbinti 1

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