| 22 Products | Mar 2024 | Mar 2025 | Change |
| Flash Multipurpose Cleaning Spray with Bleach Eucalyptus Scent for Hard Surfaces (800ml) | £3.10 | £3.03 | - £0.07 -2.3% decrease |
| | £2.50 | £2.23 | - £0.27 -10.8% decrease |
| | £2.49 | £2.49 | £0.00 -5.6% increase |
| | £2.50 | £2.50 | £0.00 -3.6% increase |
| | £2.50 | £2.50 | £0.00 -2.8% increase |
| | £3.20 | £3.20 | £0.00 -2.3% increase |
| | £2.49 | £2.49 | £0.00 -1.5% increase |
| | £3.00 | £2.50 | - £0.50 -4.1% decrease |
| | £2.50 | £2.50 | £0.00 -3.8% increase |
| | £6.99 | £6.99 | £0.00 -2.9% increase |
| | £2.86 | £2.86 | £0.00 -2.3% increase |
| Flash Bathroom Cleaning Spray (750ml) | £2.83 | £2.83 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £6.99 | £6.99 | £0.00 No change |
| | £5.61 | £5.61 | £0.00 No change |
| Flash Spray Wipe Hinched Wild Berries Anti-bacterial Multi Purpose Cleaning Spray (800ml) | £3.12 | £3.00 | - £0.12 -3.8% decrease |
| | £2.50 | £2.50 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.50 | £2.50 | - £1.00 -9.1% decrease |
| | £2.50 | £2.50 | £0.00 -7.4% increase |
| | £3.50 | £3.50 | £0.00 -5.7% increase |
| | £1.99 | £1.99 | £0.00 -5.2% increase |
| | £5.99 | £5.99 | £0.00 -3.8% increase |
| Flash Mandarin Kitchen Cleaning Spray () | £3.53 | £3.32 | - £0.21 -5.9% decrease |
| | £2.50 | £2.66 | + £0.16 6.4% increase |
| | £2.49 | £2.49 | £0.00 3.2% increase |
| | £3.00 | £3.00 | £0.00 2.3% increase |
| | £3.00 | £3.25 | + £0.25 3.6% increase |
| | £3.35 | £2.50 | - £0.85 -3.1% decrease |
| | £3.50 | £2.50 | - £1.00 -8.1% decrease |
| | £6.87 | £6.87 | £0.00 -5.9% increase |
| Flash Traditional Cleaning Spray Bicarbonate & Eucalyptus (800ml) | £3.17 | £3.17 | £0.00 No change |
| | £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 | £4.90 | £0.00 No change |
| | £6.07 | £6.07 | £0.00 No change |
| Flash Wood Floor Cleaner (1l) | £2.59 | £2.72 | + £0.13 5% increase |
| | £2.00 | £2.50 | + £0.50 25% increase |
| | £2.50 | £2.50 | £0.00 11.1% increase |
| | £2.25 | £2.50 | + £0.25 11.1% increase |
| | £2.00 | £2.00 | £0.00 8.7% increase |
| | £2.50 | £2.50 | £0.00 6.7% increase |
| | £4.31 | £4.31 | £0.00 5% 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 Crisp Lemon Spray Wipe Done Glass Cleaning Spray () | £4.09 | £4.17 | + £0.08 2% increase |
| | £2.50 | £2.66 | + £0.16 6.4% increase |
| | £3.00 | £3.00 | £0.00 2.9% increase |
| | £3.00 | £3.25 | + £0.25 4.9% increase |
| | £5.97 | £5.97 | £0.00 2.8% increase |
| | £5.99 | £5.99 | £0.00 2% increase |
| Flash Ultra Power Magic Eraser Scourer () | £3.70 | £2.75 | - £0.95 -25.7% decrease |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £7.98 | £3.25 | - £4.73 -25.7% decrease |
| Flash Multi Purpose Cleaning Spray for Pet Lovers Spray Wipe (800ml) | £2.80 | £2.63 | - £0.17 -6.1% decrease |
| | £2.50 | £2.66 | + £0.16 6.4% increase |
| | £2.49 | £2.49 | £0.00 3.2% increase |
| | £3.00 | £3.00 | £0.00 2.3% increase |
| | £3.50 | £2.50 | - £1.00 -7.3% decrease |
| | £2.49 | £2.49 | £0.00 -6.1% increase |
