| 8 Products | May 2023 | May 2024 | Change |
| Harpic Limescale Remover Toilet Cleaner (750ml) | £1.95 | £1.95 | £0.00 No change |
| | £1.95 | £1.95 | £0.00 No change |
| Harpic Power Plus Regular Toilet Cleaner 8 Tablets () | £2.00 | £2.00 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| Harpic Power Plus Toilet Cleaner Gel Original Scent (750ml) | £2.00 | £2.00 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| Harpic White & Shine Bleach Citrus Toilet Cleaner Gel (750ml) | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| Harpic Active Fresh Toilet Cleaner Gel Pine Scent (750ml) | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| Harpic Active Fresh 6 Rim Block Citrus Toilet Cleaner (40g) | £2.10 | £2.10 | £0.00 No change |
| | £2.10 | £2.10 | £0.00 No change |
| Harpic Active Fresh 6 Rim Block Lavender Toilet Cleaner (40g) | £2.10 | £2.10 | £0.00 No change |
| | £2.10 | £2.10 | £0.00 No change |
| Harpic Power Plus Max Citrus Fresh Toilet Cleaner Gel (750ml) | £1.50 | £2.00 | + £0.50 33.3% increase |
| | £1.50 | £2.00 | + £0.50 33.3% increase |
