| 20 Products | Jul 2025 | Jul 2026 | Change |
| Highland Spring Sparkling Water Pear & Elderflower (330ml) | £4.00 | £4.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| Highland Spring Sparkling Water (500ml) | £3.15 | £3.25 | + £0.10 3.2% increase |
| | £3.15 | £3.25 | + £0.10 3.2% increase |
| Radnor Infusions Unsweetened Raspberry & Black Cherry Flavoured Welsh Sparkling Spring Water (330ml) | £3.50 | £3.50 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| Buxton Sparkling Natural Mineral Water (500ml) | £3.00 | £3.20 | + £0.20 6.7% increase |
| | £3.00 | £3.20 | + £0.20 6.7% increase |
| Sainsbury's Bottled No Added Sugar Sparkling Apple & Elderflower Flavoured Spring Water (1l) | £0.75 | £0.90 | + £0.15 20% increase |
| | £0.75 | £0.90 | + £0.15 20% increase |
| San Pellegrino Sparkling Natural Mineral Water Bottles 4x500 ML (500ml) | £2.40 | £2.40 | £0.00 No change |
| | £2.40 | £2.40 | £0.00 No change |
| Harrogate Spring Water Sparkling Glass Bottle (750ml) | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| Highland Spring Eco Sparkling Mineral Water (1.5l) | £1.25 | £1.35 | + £0.10 8% increase |
| | £1.25 | £1.35 | + £0.10 8% increase |
| San Pellegrino Sparkling Natural Mineral Water (500ml) | £1.40 | £1.50 | + £0.10 7.1% increase |
| | £1.40 | £1.50 | + £0.10 7.1% increase |
| San Pellegrino Sparkling Natural Mineral Water Glass (750ml) | £2.00 | £2.00 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
