| 25 Products | Mar 2025 | Mar 2026 | Change |
| Waitrose Ltd Waitrose Frozen 2 Smoked Haddock Fillets MSC (280g) | £6.50 | £7.50 | + £1.00 15.4% increase |
| | £6.50 | £7.50 | + £1.00 15.4% increase |
| Waitrose Ltd Waitrose Frozen Mackerel Fillets (380g) | £5.70 | £10.00 | + £4.30 75.4% increase |
| | £5.70 | £10.00 | + £4.30 75.4% increase |
| Young's Gastro Tempura Battered 2 Lemon & Herb Basa Fillets (310g) | £4.00 | £4.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| Waitrose Ltd Waitrose 2 Frozen Breaded Plaice Fillets (280g) | £4.30 | £4.30 | £0.00 No change |
| | £4.30 | £4.30 | £0.00 No change |
| Waitrose Ltd Waitrose Frozen Line Caught Cod Fillets MSC (475g) | £8.50 | £11.00 | + £2.50 29.4% increase |
| | £8.50 | £11.00 | + £2.50 29.4% increase |
| Waitrose Ltd Waitrose Frozen 2 Haddock Fillets MSC (280g) | £6.50 | £7.00 | + £0.50 7.7% increase |
| | £6.50 | £7.00 | + £0.50 7.7% increase |
| Waitrose Ltd Waitrose Haddock Fillets MSC (240g) | £5.50 | £6.75 | + £1.25 22.7% increase |
| | £5.50 | £6.75 | + £1.25 22.7% increase |
| Waitrose Ltd Waitrose Frozen Crisp & Spicy 2 Lightly Dusted Cod230g (230g) | £3.25 | £3.25 | £0.00 No change |
| | £3.25 | £3.25 | £0.00 No change |
| Young's 4 Fish Steaks In Parsley Sauce (560g) | £4.95 | £4.95 | £0.00 No change |
| | £4.95 | £4.95 | £0.00 No change |
| Birds Eye 2 Salmon Lemon and Dill Perfectly Baked (260g) | £4.65 | £4.65 | £0.00 No change |
| | £4.65 | £4.65 | £0.00 No change |
