| 54 Products | Aug 2025 | Aug 2026 | Change |
| Hartley's 10 Cal Strawberry Jelly Pot (175g) | £0.90 | £0.86 | - £0.04 -4.4% decrease |
| | £0.80 | £0.42 | - £0.38 -47.5% decrease |
| | £0.85 | £0.84 | - £0.01 -24.1% decrease |
| | £0.89 | £0.90 | + £0.01 -15.3% increase |
| | £0.85 | £0.90 | + £0.05 -9.4% increase |
| | £1.00 | £1.00 | £0.00 -8% increase |
| | £0.85 | £0.90 | + £0.05 -4.6% increase |
| | £0.88 | £0.90 | + £0.02 -3.4% increase |
| | £1.05 | £1.05 | £0.00 -4.4% increase |
| Hartley's Orange Jelly (135g) | £1.04 | £1.14 | + £0.10 9.6% increase |
| | £1.00 | £1.15 | + £0.15 15% increase |
| | £1.02 | £1.15 | + £0.13 13.9% increase |
| | £1.13 | £1.25 | + £0.12 12.4% increase |
| | £1.00 | £1.15 | + £0.15 13.5% increase |
| | £0.95 | £0.95 | £0.00 10.8% increase |
| | £1.20 | £1.20 | £0.00 8.6% increase |
| | £1.00 | £1.15 | + £0.15 9.6% increase |
| | £1.00 | £1.15 | + £0.15 9.6% increase |
| Hartley's 10 Cal Raspberry Jelly Pot (175g) | £0.90 | £0.83 | - £0.07 -7.8% decrease |
| | £0.80 | £0.42 | - £0.38 -47.5% decrease |
| | £0.85 | £0.84 | - £0.01 -24.1% decrease |
| | £0.89 | £0.70 | - £0.19 -23.5% decrease |
| | £0.85 | £0.90 | + £0.05 -15.3% increase |
| | £1.00 | £1.00 | £0.00 -12.5% increase |
| | £0.85 | £0.85 | £0.00 -9.2% increase |
| | £0.88 | £0.90 | + £0.02 -8% increase |
| | £1.05 | £1.05 | £0.00 -7.8% increase |
| Hartley's Raspberry Flavour Jelly (135g) | £1.03 | £1.13 | + £0.10 9.7% increase |
| | £0.99 | £1.15 | + £0.16 16.2% increase |
| | £1.00 | £1.15 | + £0.15 15% increase |
| | £1.13 | £1.25 | + £0.12 13.5% increase |
| | £1.00 | £1.15 | + £0.15 14.6% increase |
| | £1.20 | £1.20 | £0.00 11.3% increase |
| | £1.00 | £1.15 | + £0.15 12.4% increase |
| | £1.00 | £1.00 | £0.00 9.5% increase |
| | £0.95 | £0.95 | £0.00 9.7% increase |
| Hartley's Blackcurrant Jelly Pot (125g) | £0.74 | £0.74 | £0.00 No change |
| | £0.80 | £0.80 | £0.00 No change |
| | £0.79 | £0.78 | - £0.01 -1.3% decrease |
| | £0.80 | £0.80 | £0.00 -1.3% increase |
| | £0.80 | £0.80 | £0.00 No change |
| | £0.80 | £0.80 | £0.00 No change |
| | £0.70 | £0.70 | £0.00 No change |
| | £0.50 | £0.50 | £0.00 No change |
| Hartley's Raspberry Jelly Pot Multipack () | £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) | £1.28 | £1.25 | - £0.03 -2.3% decrease |
| | £1.30 | £1.30 | £0.00 No change |
| | £1.30 | £1.20 | - £0.10 -3.8% decrease |
| | £1.19 | £1.22 | + £0.03 -1.6% increase |
| | £1.30 | £1.30 | £0.00 -0.8% increase |
| | £1.30 | £1.30 | £0.00 -1.6% increase |
| | £1.30 | £1.20 | - £0.10 -2.3% decrease |
| | £1.25 | £1.25 | £0.00 -2.3% 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) | £3.36 | £3.38 | + £0.02 0.6% increase |
| | £3.02 | £3.70 | + £0.68 22.5% increase |
| | £4.49 | £4.49 | £0.00 9% increase |
| | £3.50 | £3.00 | - £0.50 1.6% decrease |
| | £4.50 | £4.50 | £0.00 1% increase |
| | £3.00 | £3.00 | £0.00 1.1% increase |
| | £3.50 | £3.50 | £0.00 0.8% increase |
| | £1.50 | £1.50 | £0.00 0.6% increase |
| Hartley's No Added Sugar Strawberry Jelly Pot (115g) | £0.69 | £0.71 | + £0.02 2.9% increase |
| | £0.80 | £0.80 | £0.00 No change |
| | £0.79 | £0.78 | - £0.01 -1.3% decrease |
| | £0.80 | £0.80 | £0.00 -1.3% increase |
| | £0.65 | £0.65 | £0.00 No change |
| | £0.65 | £0.80 | + £0.15 4.1% increase |
| | £0.45 | £0.45 | £0.00 2.9% increase |
| | £0.70 | £0.70 | £0.00 2.9% increase |
