| 80 Products | Jan 2025 | Jan 2026 | Change |
| Hartley's Sugar Free Raspberry Jelly Crystals (23g) | £1.60 | £1.66 | + £0.06 3.7% increase |
| | £1.20 | £1.22 | + £0.02 1.7% increase |
| | £1.10 | £1.20 | + £0.10 5.2% increase |
| | £1.30 | £1.30 | £0.00 3.3% increase |
| | £1.39 | £1.39 | £0.00 2.4% increase |
| | £1.30 | £1.30 | £0.00 1.6% increase |
| | £1.25 | £1.50 | + £0.25 4.8% increase |
| | £1.20 | £1.30 | + £0.10 5.6% increase |
| | £4.05 | £4.05 | £0.00 3.7% increase |
| Hartley's 10 Cal Strawberry Jelly Pot (175g) | £0.87 | £0.86 | - £0.01 -1.1% decrease |
| | £0.85 | £0.84 | - £0.01 -1.2% decrease |
| | £0.90 | £0.90 | £0.00 -1.1% increase |
| | £0.85 | £0.90 | + £0.05 1.1% increase |
| | £0.89 | £0.89 | £0.00 1.1% increase |
| | £1.05 | £1.05 | £0.00 1.1% increase |
| | £0.68 | £0.42 | - £0.26 -4.6% decrease |
| | £0.85 | £1.00 | + £0.15 -1.1% increase |
| | £0.85 | £0.90 | + £0.05 -1.1% increase |
| Hartley's Orange Jelly (135g) | £1.01 | £1.12 | + £0.11 10.9% increase |
| | £0.95 | £1.08 | + £0.13 13.7% increase |
| | £0.95 | £1.15 | + £0.20 17.9% increase |
| | £1.00 | £1.15 | + £0.15 16.5% increase |
| | £1.00 | £1.15 | + £0.15 15.3% increase |
| | £1.20 | £1.20 | £0.00 12.7% increase |
| | £1.00 | £1.25 | + £0.25 13.7% increase |
| | £1.00 | £1.00 | £0.00 12.9% increase |
| | £0.95 | £0.95 | £0.00 10.9% increase |
| Hartley's 10 Cal Raspberry Jelly Pot (175g) | £0.87 | £0.86 | - £0.01 -1.1% decrease |
| | £0.85 | £0.84 | - £0.01 -1.2% decrease |
| | £0.90 | £0.90 | £0.00 -1.1% increase |
| | £0.85 | £0.90 | + £0.05 1.1% increase |
| | £0.89 | £0.89 | £0.00 1.1% increase |
| | £1.05 | £1.05 | £0.00 1.1% increase |
| | £0.68 | £0.42 | - £0.26 -4.6% decrease |
| | £0.85 | £1.00 | + £0.15 -1.1% increase |
| | £0.85 | £0.85 | £0.00 -1.1% increase |
| Hartley's Raspberry Flavour Jelly (135g) | £1.01 | £1.10 | + £0.09 8.9% increase |
| | £0.95 | £1.08 | + £0.13 13.7% increase |
| | £0.95 | £1.15 | + £0.20 17.9% increase |
| | £1.00 | £1.00 | £0.00 11.3% increase |
| | £1.00 | £1.15 | + £0.15 12.2% increase |
| | £1.20 | £1.20 | £0.00 9.8% increase |
| | £1.00 | £1.25 | + £0.25 11.8% increase |
| | £1.00 | £1.00 | £0.00 10.9% increase |
| | £0.95 | £0.95 | £0.00 8.9% increase |
| Hartley's Blackcurrant Jelly Pot (125g) | £0.65 | £0.74 | + £0.09 13.8% increase |
| | £0.63 | £0.78 | + £0.15 23.8% increase |
| | £0.65 | £0.80 | + £0.15 23.4% increase |
| | £0.65 | £0.80 | + £0.15 23.4% increase |
| | £0.80 | £0.80 | £0.00 17.6% increase |
| | £0.70 | £0.70 | £0.00 13% increase |
| | £0.50 | £0.50 | £0.00 10.6% increase |
| | £0.65 | £0.80 | + £0.15 13.8% increase |
| Hartley's 10 Cal Blueberry & Blackcurrant Jelly (175g) | £0.89 | £0.91 | + £0.02 2.2% increase |
| | £0.85 | £0.84 | - £0.01 -1.2% decrease |
| | £0.90 | £0.90 | £0.00 -1.1% increase |
| | £0.85 | £0.90 | + £0.05 1.1% increase |
| | £0.85 | £0.90 | + £0.05 3.5% increase |
| | £1.05 | £1.05 | £0.00 2.2% increase |
| | £0.85 | £0.85 | £0.00 2.2% increase |
| | £0.85 | £0.90 | + £0.05 2.2% increase |
| Hartley's Raspberry Jelly Pot Multipack (175g) | £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) | £1.22 | £1.27 | + £0.05 4.1% increase |
| | £1.20 | £1.22 | + £0.02 1.7% increase |
| | £1.10 | £1.20 | + £0.10 5.2% increase |
| | £1.30 | £1.30 | £0.00 3.3% increase |
| | £1.20 | £1.30 | + £0.10 5% increase |
| | £1.30 | £1.30 | £0.00 3.3% increase |
| | £1.25 | £1.25 | £0.00 2.4% increase |
| | £1.20 | £1.30 | + £0.10 4.1% 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 |
