| 38 Products | Sep 2025 | Sep 2026 | Change |
| Hellmann's Real Mayonnaise (800g) | £4.00 | £4.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| Hellmann's Real Mayonnaise Jar (400g) | £2.28 | £2.48 | + £0.20 8.8% increase |
| | £2.28 | £2.48 | + £0.20 8.8% increase |
| JUST ESSENTIALS by ASDA Just Essentials Mayonnaise () | £0.79 | £0.92 | + £0.13 16.5% increase |
| | £0.79 | £0.92 | + £0.13 16.5% increase |
| Heinz Seriously Good Mayonnaise (215g) | £2.28 | £2.28 | £0.00 No change |
| | £2.28 | £2.28 | £0.00 No change |
| Heinz Seriously Good Light Mayonnaise (570g) | £2.78 | £2.80 | + £0.02 0.7% increase |
| | £2.78 | £2.80 | + £0.02 0.7% increase |
| Hellmann's Light Squeezy Mayonnaise (750ml) | £3.38 | £3.90 | + £0.52 15.4% increase |
| | £3.38 | £3.90 | + £0.52 15.4% increase |
| ASDA Real Mayonnaise (500ml) | £1.20 | £0.89 | - £0.31 -25.8% decrease |
| | £1.20 | £0.89 | - £0.31 -25.8% decrease |
| Hellmann's Light Mayonnaise (400g) | £2.28 | £2.48 | + £0.20 8.8% increase |
| | £2.28 | £2.48 | + £0.20 8.8% increase |
| Hellmann's Lighter than Light Mayonnaise (750ml) | £3.38 | £3.87 | + £0.49 14.5% increase |
| | £3.38 | £3.87 | + £0.49 14.5% increase |
| Hellmann's Light Squeezy Mayonnaise () | £1.90 | £1.98 | + £0.08 4.2% increase |
| | £1.90 | £1.98 | + £0.08 4.2% increase |
