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Which supermarket was cheapest in July 2015?

Food and grocery prices compared

Supermarket basket July 2015

Asda was cheapest for our basket in July 2015

Each month, we analyse supermarket prices to find out which is cheapest for a basket of goods. Asda was the cheapest supermarket for our basket of goods in July 2015 – charging £11.41 less than the most expensive supermarket.

Ocado came in as the most expensive this month. Ocado charged £154.78, compared with Asda’s £143.37, for our 77 food and grocery products.

To find out what Morrisons, Sainsbury’s, Tesco and Waitrose charged this month, and what all the supermarkets charged for our basket over the past year, check out supermarket prices compared.

Supermarkets in July

July was an important month for Sainsbury’s, as it overtook Asda to become the UK’s second biggest supermarket. Both Asda and Sainsbury’s are a long way behind Tesco, which remains the largest by some distance.

However, what do Sainsbury’s customers really think about it and how does it compare with Asda? Our annual supermarket survey asks supermarket customers about everything, from price to customer service to trolleys. 

You can find out which supermarkets are rated best – go to best and worst supermarkets.

Which?’s price comparison basket

We compare prices at the online supermarkets Asda, Morrisons, Ocado, Sainsbury’s, Tesco and Waitrose, using data from the independent shopping website Mysupermarket.

Every month we look at the prices of between 70 and 100 products, which are all branded items. They include a range of everyday items, from bread to fruit juice, and vary from month to month.

We average the prices and include discounts, but not multibuys. 

Supermarket price comparison schemes

You’ll find that most supermarkets have a price matching scheme, which means they compare their prices against other supermarkets. They will often give you a voucher for the difference if your shopping would have been cheaper elsewhere. However, do read the small print as these schemes vary:

  • Asda checks against Tesco, Sainsbury’s, Waitrose or Morrisons. Asda will give you a voucher for the difference if it isn’t 10% cheaper
  • Morrisons compares against Aldi, Asda, Lidl, Sainsbury’s and Tesco. Morrisons gives you the difference in points
  • Sainsbury’s has a price match for branded items only and compares against Asda
  • Tesco checks your prices against Asda, Sainsbury’s and Morrisons. Tesco will give you a voucher for the difference if it’s cheaper elsewhere
  • Waitrose price matches Tesco on branded items and these are the prices it sells for. 

More on this…

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