Cheapest Laundry Detergent in the UK

Prices updated 15 August 2026 · 420 products across 7 supermarkets

The best-value laundry detergent in the UK right now is Persil Non-Bio Laundry Capsules 48W at Waitrose — £0.20/each (£9.45).

420Products Compared

7Supermarkets

£0.20Lowest /Each

We compare laundry detergent 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 laundry detergent is genuinely cheapest. Prices update daily.

#	Product	Store	Price	Per Unit
1	Persil Non-Bio Laundry Capsules 48W	Waitrose	£9.45	£0.20/each
2	Ariel Original Pods 70W	Waitrose	£15.00	£0.21/each
3	Persil Non-Bio Laundry Capsules 34W	Waitrose	£7.65	£0.23/each
4	Persil Non Bio 4 in 1 Laundry Washing Detergent Capsules 34 Washes	Waitrose	£7.65	£0.23/each
5	Persil Pure Non Bio Heaven Scent Laundry Washing Detergent Capsules 44 Washes	Waitrose	£10.00	£0.23/each
6	Persil Bio 4 in 1 Laundry Washing Detergent Capsules 34 Washes	Waitrose	£7.65	£0.23/each
7	Persil Ultimate Bio Extra Stain Removal Laundry Washing Detergent Capsules 44 Washes	Waitrose	£10.00	£0.23/each
8	Persil Ultimate Non Bio Extra Stain Removal Laundry Washing Detergent Capsules 44 Washes	Waitrose	£10.00	£0.23/each
9	Ariel Original Laundry Pods 33W	Waitrose	£8.00	£0.24/each
10	Fairy Platinum Pods 50W	Waitrose	£12.50	£0.25/each
11	Ariel Laundry Pods 50W	Waitrose	£12.50	£0.25/each
12	Fairy Laundry Pods 70W	Waitrose	£17.50	£0.25/each
13	Persil Non Bio 4 in 1 Laundry Washing Detergent Capsules 48 Washes	Waitrose	£12.60	£0.26/each
14	Persil Bio 4 in 1 Laundry Washing Detergent Capsules 48 Washes	Waitrose	£12.60	£0.26/each
15	Persil Colour 4 in 1 Laundry Washing Detergent Capsules 48 Washes	Waitrose	£12.60	£0.26/each
16	Ariel All-In-One Original Laundry Pods 50W	Waitrose	£14.00	£0.28/each
17	Fairy Non-Bio Laundry Liquid Pods 50W	Waitrose	£14.00	£0.28/each
18	Ecover Bio Laundry Capsules 34W	Waitrose	£10.00	£0.29/each
19	Persil Non Bio 4 in 1 Laundry Washing Detergent Capsules 25 Washes	Waitrose	£7.50	£0.30/each
20	Fairy Non-Bio Laundry Pods 22W	Waitrose	£7.00	£0.32/each
21	Ariel Big One Laundry Detergent Pods 29w Colour	Waitrose	£10.00	£0.34/each
22	Persil Pure Heaven Scent Non-Bio Laundry Washing Capsules 19W	Waitrose	£6.50	£0.34/each
23	Ariel The Big One Pods Washing Capsules 29W	Waitrose	£10.00	£0.34/each
24	TENA Lady Maxi Night Incontinence Pads Duo 2 x 6 per pack	Morrisons	£5.00	£0.42/each

See The Live Laundry Detergent Comparison →

Cheapest Laundry Detergent: FAQ

Where is the cheapest laundry detergent in the UK?

Right now the best value laundry detergent is Persil Non-Bio Laundry Capsules 48W at Waitrose, £9.45 (£0.20/each). SmartShelf ranks laundry detergent by price per unit across 7 supermarkets, updated daily.

Which supermarket is cheapest for laundry detergent?

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

How does SmartShelf compare laundry detergent 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.