| 7 Products | Sep 2025 | Sep 2026 | Change |
| John West Tuna Chunks in Oil () | £2.00 | £2.00 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| John West Tuna Chunks in Sunflower Oil () | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| Waitrose Ltd Essential MSC Tuna Chunks in Sunflower Oil (160g) | £1.25 | £1.50 | + £0.25 20% increase |
| | £1.25 | £1.50 | + £0.25 20% increase |
| Waitrose Ltd Essential MSC Tuna Chunks in Sunflower Oil (160g) | £4.75 | £5.25 | + £0.50 10.5% increase |
| | £4.75 | £5.25 | + £0.50 10.5% increase |
| John West MSC Tuna Chunks in Sunflower Oil (145g) | £6.00 | £6.00 | £0.00 No change |
| | £6.00 | £6.00 | £0.00 No change |
| Waitrose Ltd Essential MSC Tuna Chunks in Spring Water (160g) | £1.25 | £1.50 | + £0.25 20% increase |
| | £1.25 | £1.50 | + £0.25 20% increase |
| Waitrose Ltd Essential MSC Tuna Chunks in Spring Water (160g) | £4.75 | £5.25 | + £0.50 10.5% increase |
| | £4.75 | £5.25 | + £0.50 10.5% increase |
