| 80 Products | Aug 2025 | Aug 2026 | Change |
| Hartley's Sugar Free Raspberry Jelly Crystals (23g) | £1.67 | £1.65 | - £0.02 -1.2% decrease |
| | £1.24 | £1.22 | - £0.02 -1.6% decrease |
| | £1.30 | £1.20 | - £0.10 -4.7% decrease |
| | £1.30 | £1.20 | - £0.10 -5.5% decrease |
| | £1.39 | £1.39 | £0.00 -4.6% increase |
| | £1.30 | £1.30 | £0.00 -3.8% increase |
| | £1.50 | £1.50 | £0.00 -3% increase |
| | £1.25 | £1.30 | + £0.05 -2.3% increase |
| | £4.05 | £4.05 | £0.00 -1.2% increase |
| Hartley's 10 Cal Strawberry Jelly Pot (175g) | £0.89 | £0.86 | - £0.03 -3.4% decrease |
| | £0.85 | £0.84 | - £0.01 -1.2% decrease |
| | £0.85 | £0.90 | + £0.05 2.4% increase |
| | £0.85 | £0.90 | + £0.05 3.5% increase |
| | £0.89 | £0.90 | + £0.01 3.5% increase |
| | £1.05 | £1.05 | £0.00 2.2% increase |
| | £0.80 | £0.42 | - £0.38 -4.5% decrease |
| | £1.00 | £1.00 | £0.00 -4.4% increase |
| | £0.85 | £0.90 | + £0.05 -3.4% increase |
| Hartley's Orange Jelly (135g) | £1.04 | £1.14 | + £0.10 9.6% increase |
| | £1.02 | £1.15 | + £0.13 12.7% increase |
| | £1.00 | £1.15 | + £0.15 13.9% increase |
| | £1.00 | £1.15 | + £0.15 13.9% increase |
| | £1.00 | £1.15 | + £0.15 13.9% increase |
| | £1.20 | £1.20 | £0.00 11.5% increase |
| | £1.13 | £1.25 | + £0.12 11.3% increase |
| | £1.00 | £1.15 | + £0.15 11.4% increase |
| | £0.95 | £0.95 | £0.00 9.6% increase |
| Hartley's 10 Cal Raspberry Jelly Pot (175g) | £0.89 | £0.86 | - £0.03 -3.4% decrease |
| | £0.85 | £0.84 | - £0.01 -1.2% decrease |
| | £0.85 | £0.90 | + £0.05 2.4% increase |
| | £0.85 | £0.90 | + £0.05 3.5% increase |
| | £0.89 | £0.90 | + £0.01 3.5% increase |
| | £1.05 | £1.05 | £0.00 2.2% increase |
| | £0.80 | £0.42 | - £0.38 -4.5% decrease |
| | £1.00 | £1.00 | £0.00 -4.4% increase |
| | £0.85 | £0.85 | £0.00 -3.4% increase |
| Hartley's Raspberry Flavour Jelly (135g) | £1.03 | £1.72 | + £0.69 67% increase |
| | £0.95 | £1.15 | + £0.20 21.1% increase |
| | £1.00 | £1.15 | + £0.15 17.3% increase |
| | £1.00 | £1.15 | + £0.15 17.3% increase |
| | £1.00 | £1.15 | + £0.15 16.2% increase |
| | £1.20 | £1.20 | £0.00 12.6% increase |
| | £1.13 | £6.00 | + £4.87 87.6% increase |
| | £1.00 | £1.00 | £0.00 76% increase |
| | £0.95 | £0.95 | £0.00 67% increase |
| Hartley's Blackcurrant Jelly Pot (125g) | £0.74 | £0.74 | £0.00 No change |
| | £0.80 | £0.78 | - £0.02 -2.5% decrease |
| | £0.80 | £0.80 | £0.00 -1.3% increase |
| | £0.80 | £0.80 | £0.00 -1.3% increase |
| | £0.80 | £0.80 | £0.00 No change |
| | £0.70 | £0.70 | £0.00 No change |
| | £0.50 | £0.50 | £0.00 No change |
| | £0.80 | £0.80 | £0.00 No change |
| Hartley's 10 Cal Blueberry & Blackcurrant Jelly (175g) | £0.88 | £0.91 | + £0.03 3.4% increase |
| | £0.85 | £0.84 | - £0.01 -1.2% decrease |
| | £0.85 | £0.90 | + £0.05 2.4% increase |
| | £0.85 | £0.90 | + £0.05 3.5% increase |
| | £0.85 | £0.90 | + £0.05 4.7% increase |
| | £1.05 | £1.05 | £0.00 3.4% increase |
| | £0.85 | £0.85 | £0.00 3.4% increase |
| | £0.85 | £0.90 | + £0.05 3.4% increase |
| Hartley's Raspberry Jelly Pot Multipack () | £3.35 | £3.43 | + £0.08 2.4% increase |
| | £3.50 | £3.50 | £0.00 No change |
| | £2.99 | £2.99 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £4.49 | £4.49 | £0.00 No change |
| | £4.50 | £4.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £3.00 | £3.50 | + £0.50 2.4% increase |
| Hartley's Sugar Free Strawberry Jelly Crystals (23g) | £1.26 | £1.25 | - £0.01 -0.8% decrease |
| | £1.20 | £1.22 | + £0.02 1.7% increase |
| | £1.30 | £1.20 | - £0.10 -3.2% decrease |
| | £1.30 | £1.20 | - £0.10 -4.7% decrease |
| | £1.25 | £1.30 | + £0.05 -2.4% increase |
| | £1.30 | £1.30 | £0.00 -2.4% increase |
| | £1.25 | £1.25 | £0.00 -1.6% increase |
| | £1.25 | £1.30 | + £0.05 -0.8% increase |
| Hartley's No Added Sugar Strawberry Jelly Pot Multipack (115g) | £2.31 | £2.31 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.95 | £2.95 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
