SmartWater Still Price at Costa Coffee (2026)
A SmartWater Still costs £3.1 at Costa Coffee in United Kingdom (updated September 2026).
Costa Coffee's SmartWater Still is priced at £3.10 in the United Kingdom right now (September 2026). That's about 3% below the average Costa Coffee Chilled Drink item — the 4th-cheapest of 17 we track. It's available at around 40 Costa Coffee locations across the United Kingdom. Prices are sourced from delivery platforms and refreshed regularly. Set a free alert to know the moment this price changes on MenuPriceToday.
How this compares in Chilled Drinks
17 items tracked| This item | £3.10 |
| Chilled Drinks median | £3.25 |
| Cheapest — Innocent Kids Smoothie | £2.25 |
| Most expensive — Innocent Plus Citrus Shield Juice | £4.20 |
| vs Chilled Drinks median | −5% |
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