Our shoppers bought from a list of 40 top-selling supermarket products. As well as food and drink, personal care and cleaning products were also on our list.
The survey didn’t include fresh meat, fish or produce because for a fair comparison we’d need to consider quality. Wine and beer are also excluded – discounts are so huge that a supermarket with a listed wine on special would have a massive price advantage.
For most items we specified a brand and a pack size. But for 10 basic items (such as sugar, milk, butter and flour) we specified just the pack size and asked our shoppers to buy the cheapest brand.
Our shoppers took advantage of coupon and One Card specials.
See the Survey results for details of how the supermarkets compared in each centre.
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