| 22 Products | Jul 2025 | Jul 2026 | Change |
| Flash Multipurpose Cleaning Spray with Bleach Eucalyptus Scent for Hard Surfaces (800ml) | £3.07 | £3.07 | £0.00 No change |
| | £2.48 | £2.44 | - £0.04 -1.6% decrease |
| | £2.49 | £2.50 | + £0.01 -0.8% increase |
| | £2.50 | £2.50 | £0.00 -0.4% increase |
| | £2.50 | £2.50 | £0.00 No change |
| | £3.20 | £3.20 | £0.00 No change |
| | £2.49 | £2.49 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £6.99 | £6.99 | £0.00 No change |
| 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 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 |
| 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 |
