| 100 Products | May 2025 | May 2026 | Change |
| Highland Spring Sparkling Water (500ml) | £3.70 | £3.70 | £0.00 No change |
| | £3.00 | £3.15 | + £0.15 5% increase |
| | £3.14 | £2.50 | - £0.64 -7.8% decrease |
| | £3.25 | £3.40 | + £0.15 -3.5% increase |
| | £3.00 | £3.25 | + £0.25 -0.6% increase |
| | £3.15 | £3.25 | + £0.10 No change |
| | £3.15 | £3.15 | £0.00 No change |
| | £2.60 | £2.60 | £0.00 No change |
| | £3.15 | £3.15 | £0.00 No change |
| | £8.89 | £8.89 | £0.00 No change |
| Nestle Pure Life Still Spring Water (500ml) | £2.93 | £2.97 | + £0.04 1.4% increase |
| | £2.58 | £2.65 | + £0.07 2.7% increase |
| | £2.39 | £2.42 | + £0.03 2% increase |
| | £2.50 | £2.65 | + £0.15 3.2% increase |
| | £2.80 | £2.80 | £0.00 2.3% increase |
| | £2.80 | £2.80 | £0.00 1.9% increase |
| | £2.50 | £2.65 | + £0.15 2.3% increase |
| | £2.50 | £2.50 | £0.00 2.3% increase |
| | £2.29 | £2.29 | £0.00 2% increase |
| | £6.00 | £6.00 | £0.00 1.4% increase |
| Highland Spring Still Spring Water Bottles Family Pack 12x500 (500ml) | £3.84 | £3.93 | + £0.09 2.3% increase |
| | £3.33 | £3.50 | + £0.17 5.1% increase |
| | £3.46 | £3.58 | + £0.12 4.1% increase |
| | £3.75 | £3.85 | + £0.10 3.7% increase |
| | £3.50 | £3.70 | + £0.20 4.3% increase |
| | £3.50 | £3.60 | + £0.10 4% increase |
| | £7.99 | £7.99 | £0.00 2.6% increase |
| | £3.60 | £3.70 | + £0.10 2.6% increase |
| | £3.45 | £3.45 | £0.00 2.5% increase |
| | £2.00 | £2.00 | £0.00 2.3% increase |
| San Pellegrino Sparkling Natural Mineral Water Bottles 6x1 L (1l) | £6.50 | £6.75 | + £0.25 3.8% increase |
| | £6.50 | £7.00 | + £0.50 7.7% increase |
| | £5.97 | £6.48 | + £0.51 8% increase |
| | £6.23 | £7.45 | + £1.22 12% increase |
| | £6.48 | £6.48 | £0.00 8.7% increase |
| | £7.00 | £7.00 | £0.00 6.8% increase |
| | £7.00 | £7.00 | £0.00 5.7% increase |
| | £7.35 | £7.35 | £0.00 4.8% increase |
| | £7.00 | £7.00 | £0.00 4.2% increase |
| | £5.00 | £5.00 | £0.00 3.8% increase |
| Buxton Still Natural Mineral Water Bottles (1.5l) | £4.01 | £3.94 | - £0.07 -1.7% decrease |
| | £3.95 | £3.95 | £0.00 No change |
| | £3.38 | £3.50 | + £0.12 1.6% increase |
| | £4.12 | £3.50 | - £0.62 -4.5% decrease |
| | £4.35 | £4.35 | £0.00 -3% increase |
| | £4.30 | £4.30 | £0.00 -2.5% increase |
| | £4.30 | £4.30 | £0.00 -2.2% increase |
| | £3.85 | £3.85 | £0.00 -2% increase |
| | £3.80 | £3.80 | £0.00 -1.7% increase |
| Highland Spring Eco Sparkling Mineral Water (1.5l) | £1.15 | £1.20 | + £0.05 4.3% increase |
| | £1.20 | £1.30 | + £0.10 8.3% increase |
| | £1.20 | £1.25 | + £0.05 6.7% increase |
| | £1.35 | £1.40 | + £0.05 5.6% increase |
| | £1.25 | £1.35 | + £0.10 6.4% increase |
| | £1.25 | £1.35 | + £0.10 6.4% increase |
| | £1.00 | £1.00 | £0.00 5.8% increase |
| | £0.87 | £0.87 | £0.00 5.2% increase |
| | £1.05 | £1.05 | £0.00 4.3% increase |
| Evian Natural Mineral Water Bottle (1.5l) | £1.53 | £1.38 | - £0.15 -9.8% decrease |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.08 | £1.45 | + £0.37 14.7% increase |
| | £1.35 | £1.45 | + £0.10 12.2% increase |
| | £1.25 | £1.70 | + £0.45 17.7% increase |
| | £1.60 | £1.45 | - £0.15 11% decrease |
| | £1.50 | £1.10 | - £0.40 4.3% decrease |
| | £1.35 | £1.35 | £0.00 3.6% increase |
| | £2.59 | £1.00 | - £1.59 -9.8% decrease |
| San Pellegrino Sparkling Natural Mineral Water Bottle 1 L (1l) | £2.11 | £2.09 | - £0.02 -0.9% decrease |
| | £1.65 | £1.65 | £0.00 No change |
| | £1.57 | £1.25 | - £0.32 -9.9% decrease |
| | £1.60 | £1.58 | - £0.02 -7.5% decrease |
| | £1.75 | £1.75 | £0.00 -4.9% increase |
| | £1.60 | £1.60 | £0.00 -3.7% increase |
| | £1.65 | £1.65 | £0.00 -3.7% increase |
| | £1.60 | £1.75 | + £0.15 -1.8% increase |
| | £5.49 | £5.49 | £0.00 -0.9% increase |
| Evian Natural Mineral Water Sports Cap (750ml) | £3.05 | £3.29 | + £0.24 7.9% increase |
| | £1.50 | £1.75 | + £0.25 16.7% increase |
| | £1.70 | £1.95 | + £0.25 15.6% increase |
| | £1.65 | £1.85 | + £0.20 14.2% increase |
| | £1.65 | £1.85 | + £0.20 13.5% increase |
| | £1.40 | £1.40 | £0.00 11.4% increase |
| | £1.25 | £1.65 | + £0.40 13.7% increase |
| | £14.10 | £14.10 | £0.00 5.7% increase |
| | £1.15 | £1.74 | + £0.59 7.9% increase |
| Highland Spring Still Spring Water Bottle (1.5l) | £0.97 | £1.04 | + £0.07 7.2% increase |
| | £1.10 | £1.10 | £0.00 No change |
| | £1.10 | £1.10 | £0.00 No change |
| | £1.08 | £1.14 | + £0.06 1.8% increase |
| | £0.95 | £1.20 | + £0.25 7.5% increase |
| | £1.15 | £1.25 | + £0.10 7.4% increase |
| | £1.10 | £1.20 | + £0.10 8.3% increase |
| | £0.85 | £0.85 | £0.00 6.7% increase |
| | £0.45 | £0.45 | £0.00 7.2% increase |
