| 6 Products | Dec 2024 | Dec 2025 | Change |
| Mumm Cordon Rouge Champagne Brut Non Vintage (75cl) | £33.21 | £33.57 | + £0.36 1.1% increase |
| | £35.00 | £31.98 | - £3.02 -8.6% decrease |
| | £39.00 | £40.00 | + £1.00 -2.7% increase |
| | £35.00 | £40.00 | + £5.00 2.8% increase |
| | £25.00 | £25.00 | £0.00 2.2% increase |
| | £31.99 | £40.00 | + £8.01 6.6% increase |
| | £25.00 | £29.00 | + £4.00 7.9% increase |
| | £41.50 | £29.00 | - £12.50 1.1% decrease |
| Mumm Cordon Rouge Champagne Brut NV (75cl) | £40.89 | £42.33 | + £1.44 3.5% increase |
| | £39.00 | £39.00 | £0.00 No change |
| | £25.00 | £25.00 | £0.00 No change |
| | £34.50 | £40.25 | + £5.75 5.8% increase |
| | £65.06 | £65.06 | £0.00 3.5% increase |
| Mumm Cordon Rouge Champagne (75cl) | £34.31 | £36.32 | + £2.01 5.9% increase |
| | £39.00 | £40.00 | + £1.00 2.6% increase |
| | £34.99 | £40.00 | + £5.01 8.1% increase |
| | £28.95 | £28.95 | £0.00 5.9% increase |
| Mumm G.H. Cordon Rouge Champagne Brut Non-vintage Wine of France (37.5cl) | £24.00 | £24.25 | + £0.25 1% increase |
| | £24.00 | £24.25 | + £0.25 1% increase |
| Mumm G.H. Rose Non Vintage Champagne 12% ABV NEW (75cl) | £47.00 | £42.25 | - £4.75 -10.1% decrease |
| | £47.00 | £42.25 | - £4.75 -10.1% decrease |
| Mumm G.H. Vintage Champagne (75cl) | £52.00 | £55.25 | + £3.25 6.3% increase |
| | £52.00 | £55.25 | + £3.25 6.3% increase |
