SmartWater Sparkling Price at Costa Coffee (2026)
A SmartWater Sparkling costs £3.05 at Costa Coffee in United Kingdom (updated August 2026).
A SmartWater Sparkling at Costa Coffee costs £3.05 in the United Kingdom as of August 2026. That's about 1% below the average Costa Coffee Chilled Drink item — the 2nd-cheapest of 14 we track. It's available at around 40 Costa Coffee locations across the United Kingdom. Prices are sourced from delivery platforms and refreshed regularly. See how it stacks up across other chains, and track its price for free, on MenuPriceToday.
How this compares in Chilled Drinks
14 items tracked| This item | £3.05 |
| Chilled Drinks median | £3.10 |
| Cheapest — Innocent Immunity Shot | £2.60 |
| Most expensive — Costa Latte RTD 330ml | £3.30 |
| vs Chilled Drinks median | −2% |
Compare Costa Coffee prices across 20+ countries — Fast-Food Price Index →