| 16 Products | Mar 2024 | Mar 2025 | Change |
| Harpic Limescale Remover Toilet Cleaner (750ml) | £3.84 | £3.81 | - £0.03 -0.8% decrease |
| | £1.00 | £1.00 | £0.00 No change |
| | £1.30 | £1.50 | + £0.20 8.7% increase |
| | £1.05 | £1.05 | £0.00 5.4% increase |
| | £1.95 | £1.50 | - £0.45 -5.3% decrease |
| | £1.30 | £1.30 | £0.00 -3.8% increase |
| | £1.30 | £1.65 | + £0.35 0.8% increase |
| | £2.35 | £2.00 | - £0.35 -2.1% decrease |
| | £18.99 | £18.99 | £0.00 -1.1% increase |
| | £5.29 | £5.29 | £0.00 -0.8% increase |
| Harpic Power Plus Regular Toilet Cleaner 8 Tablets () | £3.28 | £3.30 | + £0.02 0.6% increase |
| | £3.50 | £3.50 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £6.51 | £6.67 | + £0.16 0.6% increase |
| Harpic Active Fresh Toilet Cleaner Gel Pine Scent (750ml) | £1.91 | £1.91 | £0.00 No change |
| | £1.30 | £1.30 | £0.00 No change |
| | £1.30 | £1.20 | - £0.10 -3.8% decrease |
| | £1.30 | £1.25 | - £0.05 -3.8% decrease |
| | £1.40 | £1.25 | - £0.15 -6% decrease |
| | £2.35 | £2.35 | £0.00 -3.9% increase |
| | £1.25 | £1.50 | + £0.25 No change |
| | £1.19 | £1.19 | £0.00 -0.7% increase |
| | £1.50 | £1.50 | £0.00 -0.7% increase |
| | £5.64 | £5.64 | £0.00 No change |
| Harpic Active Fresh 6 Rim Block Citrus Toilet Cleaner (40g) | £2.17 | £2.66 | + £0.49 22.6% increase |
| | £2.10 | £2.10 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| | £2.10 | £2.10 | £0.00 No change |
| | £2.10 | £2.10 | £0.00 No change |
| | £2.30 | £2.30 | £0.00 No change |
| | £1.50 | £2.10 | + £0.60 5.4% increase |
| | £4.49 | £4.47 | - £0.02 3.6% decrease |
| | £1.79 | £5.11 | + £3.32 22.6% increase |
| Harpic White & Shine Bleach Citrus Toilet Cleaner Gel (750ml) | £1.90 | £2.33 | + £0.43 22.6% increase |
| | £0.99 | £0.99 | £0.00 No change |
| | £1.05 | £1.05 | £0.00 No change |
| | £1.40 | £1.50 | + £0.10 2.6% increase |
| | £1.60 | £1.60 | £0.00 2.4% increase |
| | £2.10 | £2.10 | £0.00 1.4% increase |
| | £1.50 | £4.36 | + £2.86 34% increase |
| | £4.69 | £4.69 | £0.00 22.6% increase |
| Harpic Power Plus Max Citrus Fresh Toilet Cleaner Gel (750ml) | £2.34 | £2.14 | - £0.20 -8.5% decrease |
| | £1.90 | £1.57 | - £0.33 -17.4% decrease |
| | £1.30 | £1.55 | + £0.25 -2.5% increase |
| | £1.95 | £1.95 | £0.00 -1.7% increase |
| | £2.00 | £1.50 | - £0.50 -8.4% decrease |
| | £2.10 | £1.65 | - £0.45 -11.4% decrease |
| | £2.35 | £2.00 | - £0.35 -11.9% decrease |
| | £4.75 | £4.75 | £0.00 -8.5% increase |
| Harpic Power Plus Toilet Cleaner Gel Original Scent (750ml) | £2.14 | £2.05 | - £0.09 -4.2% decrease |
| | £1.30 | £1.57 | + £0.27 20.8% increase |
| | £1.30 | £1.30 | £0.00 10.8% increase |
| | £1.85 | £1.55 | - £0.30 -0.7% decrease |
| | £2.00 | £1.50 | - £0.50 -8.1% decrease |
| | £1.95 | £1.95 | £0.00 -6.5% increase |
| | £4.43 | £4.43 | £0.00 -4.2% increase |
| Harpic Active Fresh 6 Rim Block Lavender Toilet Cleaner (40g) | £2.96 | £2.34 | - £0.62 -20.9% decrease |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.10 | £2.10 | £0.00 No change |
| | £2.10 | £2.10 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £5.46 | £1.50 | - £3.96 -31.2% decrease |
| | £5.10 | £5.34 | + £0.24 -20.9% increase |
| Harpic PowerPlus Citrus Active Tablets () | £3.80 | £3.80 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £7.29 | £7.29 | £0.00 No change |
| Harpic Sparkling Citrus (35g) | £4.64 | £5.88 | + £1.24 26.7% increase |
| | £2.60 | £2.60 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £6.66 | £11.84 | + £5.18 44.1% increase |
| | £6.81 | £6.56 | - £0.25 26.7% decrease |
