| 30 Products | Sep 2025 | Sep 2026 | Change |
| Kit Kat Nestle KitKat Chunky Milk Chocolate Bars Multipack (40g) | £1.74 | £1.87 | + £0.13 7.5% increase |
| | £1.64 | £1.50 | - £0.14 -8.5% decrease |
| | £1.65 | £2.25 | + £0.60 13.9% increase |
| | £2.25 | £2.00 | - £0.25 3.8% decrease |
| | £2.25 | £2.25 | £0.00 2.6% increase |
| | £1.50 | £2.20 | + £0.70 9.7% increase |
| | £1.35 | £1.35 | £0.00 9% increase |
| | £2.05 | £2.35 | + £0.30 9.9% increase |
| | £1.00 | £1.00 | £0.00 8.8% increase |
| | £1.95 | £1.95 | £0.00 7.5% increase |
| Kit Kat 2 Finger Milk Chocolate Biscuit Bars Multipack () | £2.88 | £2.88 | £0.00 No change |
| | £2.74 | £2.74 | £0.00 No change |
| | £2.75 | £2.75 | £0.00 No change |
| | £2.85 | £2.85 | £0.00 No change |
| | £2.85 | £2.85 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £2.85 | £2.85 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £2.35 | £2.35 | £0.00 No change |
| | £2.49 | £2.49 | £0.00 No change |
| Kit Kat KitKat Milk Chocolate Bar Multipack 4 Finger (41.5g) | £1.84 | £1.93 | + £0.09 4.9% increase |
| | £1.64 | £1.50 | - £0.14 -8.5% decrease |
| | £1.65 | £2.25 | + £0.60 13.9% increase |
| | £2.25 | £2.00 | - £0.25 3.8% decrease |
| | £2.25 | £2.25 | £0.00 2.6% increase |
| | £1.65 | £2.20 | + £0.55 7.9% increase |
| | £1.25 | £1.25 | £0.00 7.3% increase |
| | £2.05 | £2.35 | + £0.30 8.2% increase |
| | £1.85 | £1.65 | - £0.20 6% decrease |
| | £1.95 | £1.95 | £0.00 4.9% increase |
| Kit Kat Milk Chocolate Biscuit Bar Multipack (20.7g) | £1.92 | £1.92 | £0.00 No change |
| | £2.18 | £2.18 | £0.00 No change |
| | £2.20 | £2.25 | + £0.05 1.4% increase |
| | £1.00 | £1.00 | £0.00 1.1% increase |
| | £2.00 | £2.00 | £0.00 0.5% increase |
| | £2.60 | £2.60 | £0.00 0.5% increase |
| | £1.75 | £1.75 | £0.00 No change |
| | £1.40 | £1.40 | £0.00 No change |
| | £2.20 | £2.20 | £0.00 No change |
| Kit Kat KitKat 2 Finger Orange Chocolate Biscuit Bar Multipack () | £1.89 | £1.93 | + £0.04 2.1% increase |
| | £2.18 | £2.18 | £0.00 No change |
| | £2.20 | £2.50 | + £0.30 6.8% increase |
| | £1.00 | £1.00 | £0.00 5.6% increase |
| | £2.00 | £2.00 | £0.00 3.8% increase |
| | £2.20 | £2.20 | £0.00 3.1% increase |
| | £1.95 | £1.95 | £0.00 2.6% increase |
| | £1.40 | £1.40 | £0.00 2.2% increase |
| | £2.20 | £2.20 | £0.00 2.1% increase |
| Kit Kat Dark Chocolate 2 Finger Biscuit Bars Multipack 9x20.7 () | £1.86 | £1.92 | + £0.06 3.2% increase |
| | £2.18 | £2.18 | £0.00 No change |
| | £2.20 | £2.25 | + £0.05 1.4% increase |
| | £1.00 | £1.00 | £0.00 1.1% increase |
| | £2.20 | £2.20 | £0.00 0.5% increase |
| | £2.20 | £2.60 | + £0.40 4.6% increase |
| | £1.50 | £1.50 | £0.00 4.3% increase |
| | £1.40 | £1.40 | £0.00 3.9% increase |
| | £2.20 | £2.20 | £0.00 3.2% increase |
| Kit Kat Dark Mint Chocolate Biscuit Bar Multipack () | £1.70 | £1.70 | £0.00 No change |
| | £1.13 | £1.13 | £0.00 No change |
| | £2.20 | £2.25 | + £0.05 1.2% increase |
| | £2.20 | £2.20 | £0.00 1.1% increase |
| | £2.20 | £2.20 | £0.00 1% increase |
| | £1.25 | £1.25 | £0.00 0.6% increase |
| | £1.00 | £1.00 | £0.00 0.6% increase |
| | £1.40 | £1.40 | £0.00 No change |
| | £2.20 | £2.20 | £0.00 No change |
| Kit Kat Vanilla & Chocolate Ice Cream Cones (110ml) | £3.37 | £3.37 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £3.60 | £3.60 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| Kit Kat Bites Milk Chocolate Sharing Bag (90g) | £1.39 | £1.39 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.60 | £1.60 | £0.00 No change |
| Kit Kat KitKat Fairtrade 4 Finger Milk Chocolate Bar X (41.5g) | £3.13 | £2.99 | - £0.14 -4.5% decrease |
| | £3.25 | £3.00 | - £0.25 -7.7% decrease |
| | £3.50 | £3.00 | - £0.50 -11.2% decrease |
| | £3.50 | £3.50 | £0.00 -7.3% increase |
| | £3.30 | £3.20 | - £0.10 -6.2% decrease |
| | £2.75 | £2.75 | £0.00 -5.2% increase |
| | £2.49 | £2.49 | £0.00 -4.5% increase |
