| 51 Products | Mar 2025 | Mar 2026 | Change |
| San Pellegrino Sparkling Natural Mineral Water Glass 6x250 ML (250ml) | £4.00 | £4.20 | + £0.20 5% increase |
| | £4.00 | £4.20 | + £0.20 5% increase |
| Buxton Still Natural Mineral Water Bottles (1.5l) | £3.93 | £3.50 | - £0.43 -10.9% decrease |
| | £3.93 | £3.50 | - £0.43 -10.9% decrease |
| Volvic Natural Mineral Water Bottles (500ml) | £2.00 | £2.00 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| Buxton Still Natural Mineral Water (1.5l) | £1.03 | £1.50 | + £0.47 45.6% increase |
| | £1.03 | £1.50 | + £0.47 45.6% increase |
| Highland Spring Sparkling Water (500ml) | £2.88 | £2.50 | - £0.38 -13.2% decrease |
| | £2.88 | £2.50 | - £0.38 -13.2% decrease |
| Nestle Pure Life Still Spring Water (500ml) | £2.65 | £2.80 | + £0.15 5.7% increase |
| | £2.65 | £2.80 | + £0.15 5.7% increase |
| Buxton Sparkling Natural Mineral Water (500ml) | £2.10 | £2.10 | £0.00 No change |
| | £2.10 | £2.10 | £0.00 No change |
| Waitrose Ltd Essential Sparkling Natural Mineral Water 4x2litre () | £2.20 | £2.25 | + £0.05 2.3% increase |
| | £2.20 | £2.25 | + £0.05 2.3% increase |
| Evian Still Mineral Water 6x50cl Bottles (500ml) | £3.60 | £3.60 | £0.00 No change |
| | £3.60 | £3.60 | £0.00 No change |
| Waitrose Ltd Essential Sparkling Natural Mineral Water (500ml) | £1.90 | £2.00 | + £0.10 5.3% increase |
| | £1.90 | £2.00 | + £0.10 5.3% increase |
