| 8 Products | Sep 2025 | Sep 2026 | Change |
| Daylesford Natural Strong English Mustard (170g) | £5.00 | £5.00 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| Colman's Original English Mustard Powder (113g) | £2.20 | £2.20 | £0.00 No change |
| | £2.20 | £2.20 | £0.00 No change |
| Colman's Mustard Powder Tin (57g) | £2.30 | £2.50 | + £0.20 8.7% increase |
| | £2.30 | £2.50 | + £0.20 8.7% increase |
| Colman's Original English Mustard Tube (50g) | £0.85 | £0.85 | £0.00 No change |
| | £0.85 | £0.85 | £0.00 No change |
| Colman's Original English Mustard Jar (170g) | £2.00 | £2.25 | + £0.25 12.5% increase |
| | £2.00 | £2.25 | + £0.25 12.5% increase |
| Colman's Original English Squeezy Mustard (150g) | £1.90 | £2.20 | + £0.30 15.8% increase |
| | £1.90 | £2.20 | + £0.30 15.8% increase |
| Colman's Original English Mustard (100g) | £1.35 | £2.00 | + £0.65 48.1% increase |
| | £1.35 | £2.00 | + £0.65 48.1% increase |
| Just Ingredients JustIngredients Organic Ground Mustard (100g) | £4.10 | £4.10 | £0.00 No change |
| | £4.10 | £4.10 | £0.00 No change |
