| 6 Products | Sep 2025 | Sep 2026 | Change |
| Mumm Cordon Rouge Champagne Brut Non Vintage (75cl) | £31.88 | £35.71 | + £3.83 12% increase |
| | £31.98 | £31.98 | £0.00 No change |
| | £40.00 | £40.00 | £0.00 No change |
| | £40.00 | £40.00 | £0.00 No change |
| | £25.00 | £25.00 | £0.00 No change |
| | £31.00 | £41.00 | + £10.00 6% increase |
| | £25.00 | £32.00 | + £7.00 8.8% increase |
| | £30.21 | £39.98 | + £9.77 12% increase |
| Mumm Cordon Rouge Champagne Brut NV (75cl) | £42.33 | £42.58 | + £0.25 0.6% increase |
| | £39.00 | £40.00 | + £1.00 2.6% increase |
| | £25.00 | £25.00 | £0.00 1.6% increase |
| | £40.25 | £40.25 | £0.00 0.9% increase |
| | £65.06 | £65.06 | £0.00 0.6% increase |
| Mumm Cordon Rouge Champagne (75cl) | £33.32 | £36.32 | + £3.00 9% increase |
| | £40.00 | £40.00 | £0.00 No change |
| | £31.00 | £40.00 | + £9.00 12.7% increase |
| | £28.95 | £28.95 | £0.00 9% increase |
| Mumm G.H. Cordon Rouge Champagne Brut Non-Vintage Half Bottle (37.5cl) | £24.25 | £24.35 | + £0.10 0.4% increase |
| | £24.25 | £24.35 | + £0.10 0.4% increase |
| Mumm G.H. Rose Non Vintage Champagne 12% ABV NEW (75cl) | £42.25 | £42.25 | £0.00 No change |
| | £42.25 | £42.25 | £0.00 No change |
| Mumm G.H. Vintage Champagne (75cl) | £55.25 | £55.25 | £0.00 No change |
| | £55.25 | £55.25 | £0.00 No change |
