| 6 Products | Aug 2024 | Aug 2025 | Change |
| Mumm G.H. Champagne Brut Cordon Rouge (75cl) | £34.36 | £32.00 | - £2.36 -6.9% decrease |
| | £38.00 | £31.98 | - £6.02 -15.8% decrease |
| | £37.00 | £40.00 | + £3.00 -4% increase |
| | £35.00 | £40.00 | + £5.00 1.8% increase |
| | £25.00 | £25.00 | £0.00 1.5% increase |
| | £38.99 | £31.00 | - £7.99 -3.4% decrease |
| | £25.00 | £25.00 | £0.00 -3% increase |
| | £41.50 | £31.00 | - £10.50 -6.9% decrease |
| Mumm Cordon Rouge Champagne Brut NV (75cl) | £40.27 | £42.33 | + £2.06 5.1% increase |
| | £31.00 | £39.00 | + £8.00 25.8% increase |
| | £25.00 | £25.00 | £0.00 14.3% increase |
| | £40.00 | £40.25 | + £0.25 8.6% increase |
| | £65.06 | £65.06 | £0.00 5.1% increase |
| Mumm Cordon Rouge Champagne (75cl) | £33.31 | £33.32 | + £0.01 No change |
| | £39.00 | £40.00 | + £1.00 2.6% increase |
| | £31.99 | £31.00 | - £0.99 0% decrease |
| | £28.95 | £28.95 | £0.00 No change |
| Mumm G.H. Cordon Rouge Champagne Brut Non-Vintage (37.5cl) | £24.00 | £24.25 | + £0.25 1% increase |
| | £24.00 | £24.25 | + £0.25 1% increase |
| Mumm G.H. Rose Champagne Non-Vintage (75cl) | £52.00 | £42.25 | - £9.75 -18.8% decrease |
| | £52.00 | £42.25 | - £9.75 -18.8% decrease |
| Mumm G.H. Vintage Champagne (75cl) | £55.00 | £55.25 | + £0.25 0.5% increase |
| | £55.00 | £55.25 | + £0.25 0.5% increase |
