| 23 Products | May 2025 | May 2026 | Change |
| Flash Multipurpose Cleaning Spray with Bleach Eucalyptus Scent for Hard Surfaces (800ml) | £3.07 | £3.03 | - £0.04 -1.3% decrease |
| | £2.48 | £2.35 | - £0.13 -5.2% decrease |
| | £2.49 | £2.35 | - £0.14 -5.6% decrease |
| | £2.50 | £2.50 | £0.00 -3.6% increase |
| | £2.50 | £2.50 | £0.00 -2.4% increase |
| | £3.20 | £3.20 | £0.00 -1.9% increase |
| | £2.49 | £2.49 | £0.00 -1.5% increase |
| | £2.50 | £2.50 | £0.00 -1.2% increase |
| | £2.50 | £2.35 | - £0.15 -1.9% decrease |
| | £6.99 | £6.99 | £0.00 -1.3% increase |
| 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 (800ml) | £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) | £2.91 | £2.79 | - £0.12 -4.1% 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 |
| | £3.45 | £2.75 | - £0.70 -5.5% decrease |
| | £2.50 | £2.50 | £0.00 -4.7% increase |
| | £2.49 | £2.49 | £0.00 -4.1% 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) | £2.53 | £2.58 | + £0.05 2% increase |
| | £2.66 | £2.66 | £0.00 No change |
| | £2.49 | £2.49 | £0.00 No change |
| | £2.50 | £2.75 | + £0.25 3.1% increase |
| | £2.50 | £2.50 | £0.00 2.4% increase |
| | £2.50 | £2.50 | £0.00 2% increase |
| Flash Ultimate Bathroom 3In1 Deep Clean Antibacterial Cleaning Spray (800ml) | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.49 | £2.49 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| 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 |
