| 54 Products | Jun 2025 | Jun 2026 | Change |
| Hartley's 10 Cal Strawberry Jelly Pot (175g) | £0.90 | £0.84 | - £0.06 -6.7% decrease |
| | £0.85 | £0.42 | - £0.43 -50.6% decrease |
| | £0.85 | £0.84 | - £0.01 -25.9% decrease |
| | £0.85 | £0.90 | + £0.05 -15.3% increase |
| | £0.89 | £0.70 | - £0.19 -16.3% decrease |
| | £1.00 | £1.00 | £0.00 -13.5% increase |
| | £0.85 | £0.90 | + £0.05 -10.2% increase |
| | £0.85 | £0.90 | + £0.05 -8% increase |
| | £1.05 | £1.05 | £0.00 -6.7% increase |
| Hartley's Orange Jelly (135g) | £1.04 | £1.14 | + £0.10 9.6% increase |
| | £1.00 | £1.15 | + £0.15 15% increase |
| | £0.95 | £1.15 | + £0.20 17.3% increase |
| | £1.25 | £1.25 | £0.00 10.3% increase |
| | £1.00 | £1.15 | + £0.15 12.4% increase |
| | £0.95 | £0.95 | £0.00 9.7% increase |
| | £1.20 | £1.20 | £0.00 7.5% increase |
| | £1.00 | £1.15 | + £0.15 8.6% 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 |
| | £0.85 | £0.42 | - £0.43 -50.6% decrease |
| | £0.85 | £0.84 | - £0.01 -25.9% decrease |
| | £0.85 | £0.90 | + £0.05 -15.3% increase |
| | £0.89 | £0.70 | - £0.19 -16.3% decrease |
| | £1.00 | £1.00 | £0.00 -13.5% increase |
| | £0.85 | £0.85 | £0.00 -10.2% increase |
| | £0.85 | £0.90 | + £0.05 -9.1% increase |
| | £1.05 | £1.05 | £0.00 -7.8% increase |
| Hartley's Raspberry Flavour Jelly (135g) | £1.04 | £1.13 | + £0.09 8.7% increase |
| | £0.95 | £1.15 | + £0.20 21.1% increase |
| | £1.00 | £1.15 | + £0.15 17.3% increase |
| | £1.25 | £1.25 | £0.00 10.3% increase |
| | £1.00 | £1.15 | + £0.15 12.4% increase |
| | £1.20 | £1.20 | £0.00 9.3% increase |
| | £1.00 | £1.15 | + £0.15 10.3% increase |
| | £1.00 | £1.00 | £0.00 8.5% increase |
| | £0.95 | £0.95 | £0.00 8.7% 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 |
| | £0.80 | £0.80 | £0.00 -1.3% increase |
| | £0.60 | £0.80 | + £0.20 6.7% increase |
| | £0.65 | £0.80 | + £0.15 9.6% increase |
| | £0.70 | £0.70 | £0.00 6.8% 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) | £1.24 | £1.25 | + £0.01 0.8% increase |
| | £1.20 | £1.30 | + £0.10 8.3% increase |
| | £1.20 | £1.20 | £0.00 4.2% increase |
| | £1.20 | £1.22 | + £0.02 3.3% increase |
| | £1.20 | £1.30 | + £0.10 5% increase |
| | £1.30 | £1.30 | £0.00 3.3% increase |
| | £1.30 | £1.20 | - £0.10 1.6% decrease |
| | £1.25 | £1.25 | £0.00 0.8% 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) | £3.43 | £3.36 | - £0.07 -2% decrease |
| | £3.50 | £3.50 | £0.00 No change |
| | £4.49 | £4.49 | £0.00 No change |
| | £3.50 | £3.00 | - £0.50 -4.4% decrease |
| | £4.50 | £4.50 | £0.00 -3.3% increase |
| | £3.00 | £3.00 | £0.00 -2.6% increase |
| | £3.50 | £3.50 | £0.00 -2.1% increase |
| | £1.50 | £1.50 | £0.00 -2% increase |
| Hartley's No Added Sugar Strawberry Jelly Pot (115g) | £0.66 | £0.71 | + £0.05 7.6% 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 |
| | £0.60 | £0.80 | + £0.20 10% increase |
| | £0.45 | £0.45 | £0.00 7.6% increase |
| | £0.70 | £0.70 | £0.00 7.6% increase |
