| 22 Products | Sep 2025 | Sep 2026 | Change |
| Flash Multipurpose Cleaning Spray with Bleach Eucalyptus Scent for Hard Surfaces (800ml) | £3.11 | £2.95 | - £0.16 -5.1% decrease |
| | £2.42 | £2.44 | + £0.02 0.8% increase |
| | £2.49 | £2.50 | + £0.01 0.4% increase |
| | £2.50 | £2.50 | £0.00 0.4% increase |
| | £2.50 | £2.50 | £0.00 0.4% increase |
| | £3.20 | £3.20 | £0.00 0.4% increase |
| | £2.49 | £2.49 | £0.00 0.4% increase |
| | £2.93 | £2.50 | - £0.43 -2.3% decrease |
| | £2.50 | £2.50 | £0.00 -1.9% increase |
| | £6.99 | £5.91 | - £1.08 -5.1% decrease |
| Flash Multi Purpose Bath Cleaning Spray For Hard Surfaces () | £2.43 | £2.57 | + £0.14 5.8% increase |
| | £1.50 | £2.48 | + £0.98 65.3% increase |
| | £1.50 | £1.50 | £0.00 32.7% increase |
| | £1.50 | £1.50 | £0.00 22% increase |
| | £1.50 | £1.50 | £0.00 16.7% increase |
| | £2.50 | £2.50 | £0.00 11.8% increase |
| | £1.50 | £1.50 | £0.00 9.6% increase |
| | £6.99 | £6.99 | £0.00 5.8% increase |
| Flash Spray Wipe Hinched Wild Berries Anti-bacterial Multi Purpose Cleaning Spray (800ml) | £2.57 | £2.57 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| Flash Traditional Cleaning Spray Bicarbonate & Eucalyptus () | £2.69 | £3.21 | + £0.52 19.3% increase |
| | £2.00 | £2.00 | £0.00 No change |
| | £0.75 | £0.75 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £4.90 | £7.99 | + £3.09 19.3% increase |
| Flash Bathroom Spray (500ml) | £1.02 | £1.02 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| | £0.85 | £0.85 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| Flash Antibacterial Apple Blossom Cleaning Spray (800ml) | £2.85 | £2.79 | - £0.06 -2.1% decrease |
| | £2.66 | £2.66 | £0.00 No change |
| | £2.49 | £2.49 | £0.00 No change |
| | £3.85 | £3.85 | £0.00 No change |
| | £3.10 | £2.75 | - £0.35 -3% decrease |
| | £2.50 | £2.50 | £0.00 -2.4% increase |
| | £2.49 | £2.49 | £0.00 -2.1% increase |
| Flash Pet Lovers Floor Cleaner & Odour Remover (1l) | £2.28 | £2.28 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.23 | £2.23 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £2.17 | £2.17 | £0.00 No change |
| Flash Antibacterial Cleaning Spray Wild Berries (800ml) | £2.68 | £2.58 | - £0.10 -3.7% decrease |
| | £2.66 | £2.66 | £0.00 No change |
| | £2.49 | £2.49 | £0.00 No change |
| | £3.25 | £2.75 | - £0.50 -6.1% decrease |
| | £2.50 | £2.50 | £0.00 -4.8% increase |
| | £2.50 | £2.50 | £0.00 -3.7% increase |
| Flash Bathroom 3in1 Ab (500ml) | £1.87 | £1.87 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| Flash Anti-Bacterial Spray (500ml) | £1.62 | £1.62 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
