Data: Aldi named cheapest supermarket for 15th month in a row

Aldi has been officially named the cheapest supermarket in the UK for the fifteenth month in a row.
Consumer group, Which? conducted its monthly Cheapest Supermarket price comparison, looking at the cost of a basket of items, including groceries and household essentials.
The latest research shows that in August, the German discount grocer was £14.30 cheaper than the most expensive supermarket, Waitrose, for an equivalent basket of items.
Which? also revealed Aldi to be &poun