| 6 Products | Mar 2025 | Mar 2026 | Change |
| Mumm Cordon Rouge Champagne Brut Non Vintage (75cl) | £32.46 | £36.77 | + £4.31 13.3% increase |
| | £34.99 | £31.98 | - £3.01 -8.6% decrease |
| | £39.50 | £40.00 | + £0.50 -3.4% increase |
| | £35.00 | £40.00 | + £5.00 2.3% increase |
| | £25.00 | £25.00 | £0.00 1.9% increase |
| | £34.99 | £40.00 | + £5.01 4.4% increase |
| | £25.00 | £40.40 | + £15.40 11.8% increase |
| | £32.74 | £40.00 | + £7.26 13.3% increase |
| Mumm Cordon Rouge Champagne Brut NV (75cl) | £42.30 | £42.33 | + £0.03 0.1% increase |
| | £39.00 | £39.00 | £0.00 No change |
| | £25.00 | £25.00 | £0.00 No change |
| | £40.13 | £40.25 | + £0.12 0.1% increase |
| | £65.06 | £65.06 | £0.00 0.1% increase |
| Mumm Cordon Rouge Champagne (75cl) | £32.98 | £36.32 | + £3.34 10.1% increase |
| | £39.00 | £40.00 | + £1.00 2.6% increase |
| | £30.99 | £40.00 | + £9.01 14.3% increase |
| | £28.95 | £28.95 | £0.00 10.1% increase |
| Mumm G.H. Cordon Rouge Champagne Brut Non-Vintage Half Bottle (37.5cl) | £24.13 | £24.35 | + £0.22 0.9% increase |
| | £24.13 | £24.35 | + £0.22 0.9% increase |
| Mumm G.H. Rose Non Vintage Champagne 12% ABV NEW (75cl) | £52.13 | £42.25 | - £9.88 -19% decrease |
| | £52.13 | £42.25 | - £9.88 -19% decrease |
| Mumm G.H. Vintage Champagne (75cl) | £55.13 | £55.25 | + £0.12 0.2% increase |
| | £55.13 | £55.25 | + £0.12 0.2% increase |
