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Cheapest Baking Powder & Bicarbonate of Soda in the UK

Prices updated 15 August 2026 · 29 products across 6 supermarkets

The best-value baking powder & bicarbonate of soda in the UK right now is Stockwell & Co. Bicarbonate Of Soda 200G at Tesco — £3.25/kg (£0.65).
29Products Compared
6Supermarkets
£3.25Lowest /Kg

We compare baking powder & bicarbonate of soda 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 baking powder & bicarbonate of soda is genuinely cheapest. Prices update daily.

#ProductStorePricePer Unit
1Stockwell & Co. Bicarbonate Of Soda 200GTesco£0.65£3.25/kg
2BAKE by ASDA BAKE by ASDA Bicarbonate of Soda 200gAsda£0.65£3.25/kg
3Morrisons Bicarbonate Of Soda 180gMorrisons£0.59£3.28/kg
4Sainsbury's Bicarbonate Of Soda 180gSainsbury's£0.65£3.61/kg
5Stockwell & Co. Baking Powder 150GTesco£0.57£3.80/kg
6Sainsbury's Baking Powder 160gSainsbury's£0.65£4.06/kg
7BAKE by ASDA BAKE by ASDA Baking Powder 170gAsda£0.77£4.53/kg
8Morrisons Baking Powder 160gMorrisons£0.75£4.69/kg
9Borwick's Baking Powder 200gAsda£1.15£5.75/kg
10Borwick's Baking Powder 200GTesco£1.15£5.75/kg
11Borwick's Bicarbonate Of Soda 200GTesco£1.15£5.75/kg
12Dr. Oetker Bicarbonate of Soda 200gSainsbury's£1.60£8.00/kg
13Dr.Oetker Bicarbonate Soda 200GTesco£1.60£8.00/kg
14Dr. Oetker Bicarbonate of Soda 200gMorrisons£1.60£8.00/kg
15Dr. Oetker Bicarbonate of Soda 200gAsda£1.60£8.00/kg
16Cooks' Ingredients Baking PowderWaitrose£1.30£8.13/kg
17M&S Bicarbonate of Soda 200gM&S£1.65£8.25/kg
18Cooks' Ingredients Bicarbonate of SodaWaitrose£1.50£8.33/kg
19Sainsbury's Cream of Tartar 160gSainsbury's£1.35£8.44/kg
20Doves Farm Bicarbonate of SodaWaitrose£1.70£8.50/kg
21M&S Baking Powder 150gM&S£1.35£9.00/kg
22Dr. Oetker Baking Powder 170gAsda£1.60£9.41/kg
23Dr. Oetker Gluten Free Baking Powder 170gSainsbury's£1.60£9.41/kg
24Dr.Oetker Baking Powder Tub 170GTesco£1.60£9.41/kg
See The Live Baking Powder & Bicarbonate of Soda Comparison →

Cheapest Baking Powder & Bicarbonate of Soda: FAQ

Where is the cheapest baking powder & bicarbonate of soda in the UK?

Right now the best value baking powder & bicarbonate of soda is Stockwell & Co. Bicarbonate Of Soda 200G at Tesco, £0.65 (£3.25/kg). SmartShelf ranks baking powder & bicarbonate of soda by price per unit across 6 supermarkets, updated daily.

Which supermarket is cheapest for baking powder & bicarbonate of soda?

We compare baking powder & bicarbonate of soda 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 baking powder & bicarbonate of soda 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.