Cheapest Cat Litter in the UK

Prices updated 15 August 2026 · 112 products across 6 supermarkets

The best-value cat litter in the UK right now is THOMAS Cat Litter 16L (Pak of 1) at Tesco — £0.11/100g (£17.99).

112Products Compared

6Supermarkets

£0.11Lowest /100g

We compare cat litter across all 7 major UK supermarkets — Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S — and rank by price per unit so you can see where cat litter is genuinely cheapest. Prices update daily.

#	Product	Store	Price	Per Unit
1	THOMAS Cat Litter 16L (Pak of 1)	Tesco	£17.99	£0.11/100g
2	TidyZ 12 Drawstring Cat Litter Liners	Asda	£1.98	£0.17/each
3	Petface Cat Litter Tray Liners 6 per pack	Morrisons	£1.00	£0.17/each
4	Sainsbury's Cat Litter Liners x6	Sainsbury's	£1.25	£0.21/each
5	Meowee Clean & Kind Compostable Litter Tray Liners x6 Nectar £2.00	Sainsbury's	£1.25	£0.21/each
6	Tesco Lightweight Cat Litter 10L	Tesco	£2.19	£0.22/litre
7	Stamford Street Co. Cat Litter Non Clumping 10L	Sainsbury's	£2.19	£0.22/litre
8	BELLA'S Lightweight Non-Clumping Cat Litter 10 L	Aldi	£2.19	£0.22/litre
9	Morrisons Savers Non-Clumping Cat Litter 10l	Morrisons	£2.19	£0.22/litre
10	Morrisons Savers Cat Litter 10kg	Morrisons	£2.19	£0.22/kg
11	JUST ESSENTIALS by ASDA Smart Price Cat Litter 10kg	Asda	£2.19	£0.22/kg
12	Meowee! Clean & Kind Compostable Cat Litter Tray Liners 6 Pack	Tesco	£2.00	£0.33/each
13	Essential Absorbent Cat Litter	Waitrose	£3.50	£0.35/litre
14	Sainsbury's Lightweight Cat Litter 20L	Sainsbury's	£9.00	£0.45/litre
15	Sainsbury's Recycled FSC Wood Cat Litter 20L	Sainsbury's	£9.50	£0.48/litre
16	Tesco Hygiene Cat Litter 20L 20L	Tesco	£9.60	£0.48/litre
17	Beco Cat Litter Liners	Waitrose	£3.95	£0.49/each
18	ASDA Tiger Non-Clumping Antibacterial Cat Litter 10 Litres	Asda	£4.87	£0.49/litre
19	Sainsbury's Odour Control Cat Litter 10L	Sainsbury's	£5.00	£0.50/litre
20	Beco 8 x Medium Cat Litter Liners with Drawstrings Nectar £3.25	Sainsbury's	£4.00	£0.50/each
21	Tesco Hygiene Cat Litter 10L	Tesco	£5.50	£0.55/litre
22	Breeder's Choice Recycled Paper Cat Litter 20L	Tesco	£11.00	£0.55/litre
23	Smart Litter Wood Pellet Litter 10L	Morrisons	£5.55	£0.56/litre
24	Tesco Lightweight Wood Cat Litter 10L	Tesco	£5.85	£0.58/litre

See The Live Cat Litter Comparison →

Cheapest Cat Litter: FAQ

Where is the cheapest cat litter in the UK?

Right now the best value cat litter is THOMAS Cat Litter 16L (Pak of 1) at Tesco, £17.99 (£0.11/100g). SmartShelf ranks cat litter by price per unit across 6 supermarkets, updated daily.

Which supermarket is cheapest for cat litter?

We compare cat litter across Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S. Today Tesco has the cheapest option, but the ranking updates every day as prices change.

How does SmartShelf compare cat litter prices?

We list each product's price per unit (£/kg, £/litre or per item) so you compare like for like, and we show loyalty prices such as Clubcard and Nectar where available — free, with no sign-up.