KitKat Dark Chocolate Biscuit — 8 x 20.7g
As of 8 Oct 2026, KitKat Dark Chocolate Biscuit 8 x 20.7g is cheapest at Sainsbury's at £1.50 (£9.06/1 kg) in United Kingdom — about 18% below the 2-retailer average of £1.84.
Prices updated 8 Oct 2026
Lowest recorded price: £1.50 at Sainsbury's (8 Oct); highest: £2.18 — currently £1.50 at Sainsbury's. Tracked since Jul 2026.
Showing prices and history for this exact variant. Other brands and sizes appear on the broader product category page.
Price History
Price over timeLoading price history…
Price
Cheapest (compared)
Cheapest (overall)
Cheapest by brand
Ranked per 1 kg at each item's cheapest store
Cheapest by product
Ranked per 1 kg at each item's cheapest store
1 brand available
Asda
Sainsbury'sUpdating prices — showing the previous selection until the new prices arrive.
Prices shown are indicative and may vary by store location. Confirm pricing at checkout.
Which store is cheaper?
Frequently asked questions
- Where is KitKat Dark Chocolate Biscuit 8 x 20.7g cheapest?
- Sainsbury's has the lowest price at £1.50 (£9.06/1 kg).
- How much does KitKat Dark Chocolate Biscuit 8 x 20.7g cost?
- Prices range from £1.50 to £2.18 across 2 UK supermarkets. The average price is £1.84.
- What is the unit price of KitKat Dark Chocolate Biscuit 8 x 20.7g?
- Priced per 100g. Sainsbury's offers the best value at £0.91/100g.
- Which supermarkets sell KitKat Dark Chocolate Biscuit 8 x 20.7g?
- KitKat Dark Chocolate Biscuit 8 x 20.7g is available at Sainsbury's and Asda.
- What is the lowest price ever for KitKat Dark Chocolate Biscuit 8 x 20.7g?
- The lowest price CartSorted has recorded for KitKat Dark Chocolate Biscuit 8 x 20.7g is £1.50 at Sainsbury's (8 Oct), since we began tracking in Jul 2026. The current cheapest price is £1.50 at Sainsbury's.