57% of UK Coffee Shops Open to Making Oat Milk the Default Option, If Demand & Costs Align

Why It Matters

Defaulting to oat milk could unlock significant climate benefits for the café sector while driving sales growth, provided price and demand hurdles are addressed.

Key Takeaways

• 57% of UK cafés would consider oat milk as default
• Consumer demand and lower wholesale prices are key adoption drivers
• Higher cost and perceived customer backlash remain main barriers
• Trials show default oat milk can boost sales and cut emissions
• Minor Figures supplies free oat milk and signage to support pilots

Pulse Analysis

The push to make oat milk the default in UK coffee shops reflects a broader shift toward plant‑based beverages driven by sustainability concerns and consumer preferences. Recent behavioural‑science research demonstrates that default nudges dramatically increase the uptake of alternative milks, with a university café study showing a three‑fold rise in oat‑milk selections and a 25‑34% reduction in per‑drink carbon emissions. For cafés, the appeal lies not only in environmental impact but also in potential revenue gains, as 45% of surveyed owners anticipate higher sales from a default oat‑milk offering.

Cost remains the primary obstacle. While oat milk’s carbon footprint is roughly one‑third that of dairy, its wholesale price can be 20‑30% higher, deterring adoption. The Canteen’s partnership with Minor Figures, which provides 60 litres of oat milk and free in‑store signage, illustrates a pragmatic solution: offsetting price barriers through brand support and promotional material. If wholesale prices drop or are subsidised, the 52% of cafés citing cost as a decisive factor could swiftly transition, expanding the market for oat‑milk producers.

Beyond individual cafés, the default oat‑milk model signals a scalable pathway for the broader foodservice industry to meet climate targets. Corporate pilots, such as Sodexo’s Good Eating Company program at LinkedIn’s San Francisco office, have already demonstrated emissions cuts of up to 50% when plant‑based defaults are implemented. As consumer awareness of dairy’s environmental toll grows, the combination of behavioural nudges, price incentives, and strategic partnerships could make oat milk the new norm across the UK’s vibrant coffee culture.