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Cheapest Baking Powder & Bicarbonate of Soda in the UK

Prices updated 13 October 2026 · 37 products across 7 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).
37Products Compared
7Supermarkets
£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.

1Stockwell & Co. Bicarbonate Of Soda 200GStockwell & Co. Bicarbonate Of Soda 200GTescoBest value£3.25/kg£0.652BAKE by ASDA BAKE by ASDA Bicarbonate of Soda 200gBAKE by ASDA BAKE by ASDA Bicarbonate of Soda 200gAsda£3.25/kg£0.653THE PANTRY Baking Powder 0.2 KGTHE PANTRY Baking Powder 0.2 KGAldi£3.25/kg£0.654THE PANTRY Bicarbonate Of Soda 0.2 KGTHE PANTRY Bicarbonate Of Soda 0.2 KGAldi£3.25/kg£0.655THE PANTRY Baking Powder 200 gTHE PANTRY Baking Powder 200 gAldi£3.25/kg£0.656THE PANTRY Bicarbonate Of Soda 200 gTHE PANTRY Bicarbonate Of Soda 200 gAldi£3.25/kg£0.657Morrisons Bicarbonate Of Soda 180gMorrisons Bicarbonate Of Soda 180gMorrisons£3.28/kg£0.598Sainsbury's Bicarbonate Of Soda 180gSainsbury's Bicarbonate Of Soda 180gSainsbury's£3.61/kg£0.659Stockwell & Co. Baking Powder 150GStockwell & Co. Baking Powder 150GTesco£3.80/kg£0.5710Sainsbury's Baking Powder 160gSainsbury's Baking Powder 160gSainsbury's£4.06/kg£0.6511BAKE by ASDA BAKE by ASDA Baking Powder 170gBAKE by ASDA BAKE by ASDA Baking Powder 170gAsda£4.53/kg£0.7712Morrisons Baking Powder 160gMorrisons Baking Powder 160gMorrisons£4.69/kg£0.7513Borwick's Baking Powder 200gBorwick's Baking Powder 200gAsda£5.75/kg£1.1514Borwick's Baking Powder 200GBorwick's Baking Powder 200GTesco£5.75/kg£1.1515Borwick's Bicarbonate Of Soda 200GBorwick's Bicarbonate Of Soda 200GTesco£5.75/kg£1.1516Borwick's Bicarbonate of Soda 200gBorwick's Bicarbonate of Soda 200gAsda£5.75/kg£1.1517Doves Farm Bicarbonate of SodaDoves Farm Bicarbonate of SodaWaitrose£6.50/kg£1.3018Dr. Oetker Bicarbonate of Soda 200gDr. Oetker Bicarbonate of Soda 200gSainsbury's£8.00/kg£1.6019Dr.Oetker Bicarbonate Soda 200GDr.Oetker Bicarbonate Soda 200GTesco£8.00/kg£1.6020Dr. Oetker Bicarbonate of Soda 200gDr. Oetker Bicarbonate of Soda 200gMorrisons£8.00/kg£1.6021Dr. Oetker Bicarbonate of Soda 200gDr. Oetker Bicarbonate of Soda 200gAsda£8.00/kg£1.6022M&S Bicarbonate of Soda 200gM&S Bicarbonate of Soda 200gM&S£8.25/kg£1.6523Sainsbury's Cream of Tartar 160gSainsbury's Cream of Tartar 160gSainsbury's£8.44/kg£1.3524Cooks' Ingredients Baking PowderCooks' Ingredients Baking PowderWaitrose£8.44/kg£1.35
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 7 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.