UK’s cheapest supermarket revealed – could you save £20 on your weekly grocery shopping by switching?

UK’s cheapest supermarket has been crowned and could save you £20 on your grocery bill next time.

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According to a survey by consumer champion which? voted cheapest supermarket in March.

As part of a monthly survey, experts compared the cost of 41 popular items from eight chains.

The cheapest was Aldi, which charged a monthly average of £72.54 for the grocery basket.

This is £20 cheaper than the most expensive store on the list, Waitrose, which charged £92.55 for the same basket. That’s 27% more.

But close behind Aldi was Lidl, which cost £72.79 for its items. So only 25p difference.

Third on the list was Sainsbury’s with a charge of £80.27, followed by Tesco with a charge of £81.58.

Next to last was Ocado, whose grand total was £88.03 – just over £4 cheaper than Waitrose.

Here is the full list of results:

1. Aldi – £72.54
2. Lidl – £72.79
3. Sainsbury’s – £80.27
4. Tesco – £81.58
5. Asda – £81.88
6. Morrisons – £83.63
7. Okado – £88.03
8. Waitrose – £92.55

Ele Clark, which ones? Retail Editor, said: “We know people are suffering from the worst cost of living crisis in decades and food and drink prices have skyrocketed no matter where you shop.

“However, our monthly supermarket analysis shows that a basket of everyday groceries could save you £20 in the cheapest supermarket compared to the most expensive.”

Which? also compared the cost of a larger cart with 137 items – the original 41 plus 96 more.

This included some well-known brands such as Andrex and Cathedral Cheese.

However, the discounters Aldi and Lidl are missing from this list because they do not carry the complete range of brands like the others.

The cheapest was Asda, which has held the title since January 2020.

Its total cost was £343.91, which was £9.21 cheaper than second-place Sainsbury’s, whose grand total was £353.16.

Waitrose was last again – a whopping £41.83 more expensive than Asda and £385.74.

Here is the full list:

1. Asda – £343.91
2. Sainsbury’s – £353.16
3. Morrisons – £354.87
4. Tesco – £366.65
5. Okado – £371.85
6. Waitrose – £385.74

Ways to save on grocery bills

It’s always a good idea to look for ways to save on your weekly grocery shopping wherever you go.

For example, there are cheap food clubs run by local community groups or charities.

They differ from food banks because you don’t need to be recommended by anyone to join one.

These clubs partner with local supermarkets that donate groceries that are approaching their sell-by dates. They are usually operated from public places such as church halls.

There are also food waste apps that you can use.

For example, the Too Good To Go app connects you with local grocery stores who have leftover groceries at the end of the day to sell for less.

You’ll pay between £1 and £7 for a ‘magic’ bag or box from a local store containing a surprising mix of products.

Morrisons make a ‘Magic Box’ which usually costs around £3.09 and contains at least £10 worth of groceries.

And don’t forget to check the weekly deals – every Thursday and Sunday you’ll find new Specialbuy deals at Aldi with deals on popular items you don’t want to miss.