| 29 Products | May 2025 | May 2026 | Change |
| Kit Kat Nestle KitKat Chunky Milk Chocolate Bars Multipack (40g) | £1.54 | £1.95 | + £0.41 26.6% increase |
| | £1.64 | £2.24 | + £0.60 36.6% increase |
| | £1.50 | £2.25 | + £0.75 43.3% increase |
| | £1.85 | £1.95 | + £0.10 29.5% increase |
| | £1.50 | £2.25 | + £0.75 34% increase |
| | £1.50 | £2.20 | + £0.70 36.3% increase |
| | £1.35 | £1.35 | £0.00 30.8% increase |
| | £2.00 | £2.35 | + £0.35 28.4% increase |
| | £1.00 | £1.00 | £0.00 26.6% increase |
| | £1.50 | £1.95 | + £0.45 26.6% increase |
| Kit Kat 2 Finger Milk Chocolate Biscuit Bars Multipack () | £2.89 | £2.88 | - £0.01 -0.3% decrease |
| | £2.38 | £2.74 | + £0.36 15.1% increase |
| | £3.50 | £2.75 | - £0.75 -6.5% decrease |
| | £2.85 | £2.85 | £0.00 -4.5% increase |
| | £2.85 | £2.85 | £0.00 -3.4% increase |
| | £3.50 | £3.50 | £0.00 -2.6% increase |
| | £2.60 | £2.85 | + £0.25 -1% increase |
| | £3.50 | £3.50 | £0.00 -0.7% increase |
| | £2.35 | £2.35 | £0.00 -0.7% increase |
| | £2.49 | £2.49 | £0.00 -0.3% increase |
| Kit Kat KitKat Milk Chocolate Bar Multipack 4 Finger (41.5g) | £1.59 | £1.92 | + £0.33 20.8% increase |
| | £1.65 | £1.75 | + £0.10 6.1% increase |
| | £1.50 | £2.25 | + £0.75 26.6% increase |
| | £1.85 | £1.95 | + £0.10 18.6% increase |
| | £1.50 | £2.25 | + £0.75 25.8% increase |
| | £1.65 | £1.65 | £0.00 20.9% increase |
| | £1.25 | £1.25 | £0.00 17.8% increase |
| | £2.00 | £2.35 | + £0.35 17.8% increase |
| | £1.50 | £1.85 | + £0.35 18.6% increase |
| | £1.45 | £1.95 | + £0.50 20.8% increase |
| Kit Kat Milk Chocolate Biscuit Bar Multipack (20.7g) | £1.89 | £1.92 | + £0.03 1.6% increase |
| | £1.94 | £2.18 | + £0.24 12.4% increase |
| | £1.95 | £2.25 | + £0.30 13.8% increase |
| | £1.00 | £1.00 | £0.00 11% increase |
| | £2.00 | £2.00 | £0.00 8.1% increase |
| | £2.60 | £2.60 | £0.00 5.8% increase |
| | £1.75 | £1.75 | £0.00 4.8% increase |
| | £2.25 | £1.40 | - £0.85 -2.6% decrease |
| | £1.65 | £2.20 | + £0.55 1.6% increase |
| Kit Kat KitKat 2 Finger Orange Chocolate Biscuit Bar Multipack () | £1.87 | £1.93 | + £0.06 3.2% increase |
| | £1.94 | £2.18 | + £0.24 12.4% increase |
| | £1.95 | £2.50 | + £0.55 20% increase |
| | £1.00 | £1.00 | £0.00 16% increase |
| | £2.00 | £2.00 | £0.00 11.6% increase |
| | £2.20 | £2.20 | £0.00 8.8% increase |
| | £1.95 | £1.95 | £0.00 7.1% increase |
| | £2.25 | £1.40 | - £0.85 -0.5% decrease |
| | £1.65 | £2.20 | + £0.55 3.2% increase |
| Kit Kat Dark Chocolate 2 Finger Biscuit Bars Multipack 9x20.7 () | £1.81 | £1.92 | + £0.11 6.1% increase |
| | £1.94 | £2.18 | + £0.24 12.4% increase |
| | £1.95 | £2.25 | + £0.30 13.8% increase |
| | £1.00 | £1.00 | £0.00 11% increase |
| | £2.00 | £2.20 | + £0.20 11% increase |
| | £2.20 | £2.60 | + £0.40 12.6% increase |
| | £1.50 | £1.50 | £0.00 10.7% increase |
| | £2.25 | £1.40 | - £0.85 2.7% decrease |
| | £1.65 | £2.20 | + £0.55 6.1% increase |
| Kit Kat Dark Mint Chocolate Biscuit Bar Multipack () | £1.68 | £1.70 | + £0.02 1.2% increase |
| | £1.13 | £1.13 | £0.00 No change |
| | £1.95 | £2.25 | + £0.30 9.7% increase |
| | £2.20 | £2.20 | £0.00 5.7% increase |
| | £2.00 | £2.20 | + £0.20 7.1% increase |
| | £1.25 | £1.25 | £0.00 5.8% increase |
| | £1.00 | £1.00 | £0.00 5% increase |
| | £2.25 | £1.40 | - £0.85 -3% decrease |
| | £1.65 | £2.20 | + £0.55 1.2% increase |
| 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 Chunky White Chocolate Bars Multipack (40g) | £1.60 | £2.19 | + £0.59 36.9% increase |
| | £1.65 | £2.24 | + £0.59 35.8% increase |
| | £1.50 | £2.25 | + £0.75 42.4% increase |
| | £1.85 | £1.95 | + £0.10 28.7% increase |
| | £1.50 | £2.25 | + £0.75 33.1% increase |
| | £1.50 | £2.25 | + £0.75 36.9% increase |
