| 54 Products | Apr 2025 | Apr 2026 | Change |
| Hartley's 10 Cal Strawberry Jelly Pot (175g) | £0.86 | £0.86 | £0.00 No change |
| | £0.73 | £0.42 | - £0.31 -42.5% decrease |
| | £0.68 | £0.84 | + £0.16 -11.3% increase |
| | £0.85 | £0.90 | + £0.05 -4% increase |
| | £0.89 | £0.90 | + £0.01 -2.5% increase |
| | £0.95 | £1.00 | + £0.05 -1.2% increase |
| | £0.85 | £0.90 | + £0.05 No change |
| | £0.85 | £0.90 | + £0.05 1.2% increase |
| | £1.05 | £1.05 | £0.00 No change |
| Hartley's Orange Jelly (135g) | £1.02 | £1.15 | + £0.13 12.7% increase |
| | £1.00 | £1.15 | + £0.15 15% increase |
| | £0.95 | £1.20 | + £0.25 20.4% increase |
| | £1.13 | £1.25 | + £0.12 16.5% increase |
| | £0.95 | £1.15 | + £0.20 17.8% increase |
| | £0.95 | £0.95 | £0.00 14% increase |
| | £1.20 | £1.20 | £0.00 11.7% increase |
| | £1.00 | £1.15 | + £0.15 11.7% increase |
| | £1.00 | £1.15 | + £0.15 12.7% increase |
| Hartley's 10 Cal Raspberry Jelly Pot (175g) | £0.86 | £0.86 | £0.00 No change |
| | £0.73 | £0.42 | - £0.31 -42.5% decrease |
| | £0.68 | £0.84 | + £0.16 -11.3% increase |
| | £0.85 | £0.90 | + £0.05 -4% increase |
| | £0.89 | £0.90 | + £0.01 -2.5% increase |
| | £0.95 | £1.00 | + £0.05 -1.2% increase |
| | £0.85 | £0.85 | £0.00 -1.2% increase |
| | £0.85 | £0.90 | + £0.05 No change |
| | £1.05 | £1.05 | £0.00 No change |
| Hartley's Raspberry Flavour Jelly (135g) | £1.02 | £1.13 | + £0.11 10.8% increase |
| | £0.95 | £1.15 | + £0.20 21.1% increase |
| | £1.00 | £1.15 | + £0.15 17.3% increase |
| | £1.13 | £1.25 | + £0.12 14.6% increase |
| | £0.95 | £1.15 | + £0.20 16.8% increase |
| | £1.20 | £1.20 | £0.00 12.4% increase |
| | £1.00 | £1.15 | + £0.15 13.5% increase |
| | £1.00 | £1.00 | £0.00 11.7% increase |
| | £0.95 | £0.95 | £0.00 10.8% increase |
| Hartley's Blackcurrant Jelly Pot (125g) | £0.69 | £0.74 | + £0.05 7.2% increase |
| | £0.80 | £0.80 | £0.00 No change |
| | £0.80 | £0.78 | - £0.02 -1.3% decrease |
| | £0.73 | £0.80 | + £0.07 1.3% increase |
| | £0.65 | £0.80 | + £0.15 6.7% increase |
| | £0.65 | £0.80 | + £0.15 9.6% increase |
| | £0.70 | £0.70 | £0.00 8.3% increase |
| | £0.50 | £0.50 | £0.00 7.2% increase |
| Hartley's Raspberry Jelly Pot Multipack (175g) | £3.35 | £3.43 | + £0.08 2.4% increase |
| | £4.49 | £4.49 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £2.99 | £2.99 | £0.00 No change |
| | £4.50 | £4.50 | £0.00 No change |
| | £3.00 | £3.50 | + £0.50 2.7% increase |
| | £3.50 | £3.50 | £0.00 2.5% increase |
| | £1.50 | £1.50 | £0.00 2.4% increase |
| Hartley's Sugar Free Strawberry Jelly Crystals (23g) | £1.22 | £1.25 | + £0.03 2.5% increase |
| | £1.20 | £1.30 | + £0.10 8.3% increase |
| | £1.10 | £1.20 | + £0.10 8.7% increase |
| | £1.20 | £1.22 | + £0.02 6% increase |
| | £1.20 | £1.30 | + £0.10 6.8% increase |
| | £1.30 | £1.30 | £0.00 5% increase |
| | £1.30 | £1.20 | - £0.10 2.5% decrease |
| | £1.25 | £1.25 | £0.00 2.5% increase |
| Hartley's No Added Sugar Strawberry Jelly Pot Multipack (115g) | £2.31 | £2.31 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £2.95 | £2.95 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| Hartley's 10 Cal Strawberry Jelly Pot Multipack (175g) | £3.26 | £3.36 | + £0.10 3.1% increase |
| | £2.82 | £3.50 | + £0.68 24.1% increase |
| | £4.49 | £4.49 | £0.00 9.3% increase |
| | £3.00 | £3.00 | £0.00 6.4% increase |
| | £4.50 | £4.50 | £0.00 4.6% increase |
| | £3.00 | £3.00 | £0.00 3.9% increase |
| | £3.50 | £3.50 | £0.00 3.4% increase |
| | £1.50 | £1.50 | £0.00 3.1% increase |
| Hartley's No Added Sugar Strawberry Jelly Pot (115g) | £0.67 | £0.71 | + £0.04 6% increase |
| | £0.80 | £0.80 | £0.00 No change |
| | £0.80 | £0.78 | - £0.02 -1.3% decrease |
| | £0.65 | £0.80 | + £0.15 5.3% increase |
| | £0.65 | £0.65 | £0.00 4.1% increase |
| | £0.65 | £0.80 | + £0.15 8.5% increase |
| | £0.45 | £0.45 | £0.00 6% increase |
| | £0.70 | £0.70 | £0.00 6% increase |
