| 17 Products | May 2024 | May 2025 | Change |
| Flash Multipurpose Cleaning Spray with Bleach Eucalyptus Scent for Hard Surfaces (800ml) | £3.10 | £3.14 | + £0.04 1.3% increase |
| | £2.50 | £2.48 | - £0.02 -0.8% decrease |
| | £2.49 | £2.50 | + £0.01 -0.4% 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 |
| | £3.00 | £3.35 | + £0.35 1.9% increase |
| | £2.50 | £2.50 | £0.00 1.5% increase |
| | £6.99 | £6.99 | £0.00 1.3% increase |
| | £2.86 | £2.86 | £0.00 1.3% 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 (800ml) | £3.26 | £3.46 | + £0.20 6.1% increase |
| | £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 |
| | £2.49 | £3.25 | + £0.76 8.8% increase |
| | £2.50 | £3.45 | + £0.95 14.2% increase |
| | £3.00 | £2.50 | - £0.50 8.6% decrease |
| | £6.87 | £6.87 | £0.00 6.1% 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 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 Ultra Power Magic Eraser Scourer () | £3.20 | £2.68 | - £0.52 -16.3% 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 | £2.00 | - £1.00 -9.5% decrease |
| | £5.48 | £3.89 | - £1.59 -16.3% decrease |
| Flash Speedmop Anti-bacterial Wet Floor Cleaning Wipes Lemon 24 Refill Pads () | £8.98 | £9.35 | + £0.37 4.1% increase |
| | £7.25 | £7.50 | + £0.25 3.4% increase |
| | £8.00 | £8.00 | £0.00 1.6% increase |
| | £11.19 | £10.70 | - £0.49 -0.9% decrease |
| | £9.49 | £11.20 | + £1.71 4.1% 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 |
