Which was the cheapest supermarket in August 2021?
Grocery prices compared: which is cheapest, Aldi or Lidl, plus the big traditional supermarkets offering the lowest prices.
Which online supermarket delivers the freshest groceries?
Which? reveals the supermarkets you can rely on for fresh food, plus those delivering past-it produce that could be dangerous to eat.
Which was the cheapest supermarket in June 2021?
We checked grocery prices every day throughout June to reveal the cheapest - and priciest - UK supermarkets.
13 things you need to know before Amazon Prime Day
Find out the dates for Amazon Prime Day 2021, plus get inside advice from Which? on how to get the best bargains and avoid fake reviews and dud deals.
‘My M&S beauty box wasn’t what was pictured – I feel duped’
Do you have an issue you need to put right? Which? is here to help get your consumer problems sorted. Dear Which?, As a savvy, careful shopper I decided to...
Which? reveals the groceries that cost three times more depending on when you shop
Which?'s biggest ever grocery pricing investigation has revealed how dramatically food prices fluctuate - and the brands you should never pay full price for.
International study finds grocery packaging less recyclable in the UK than other countries
The packaging of popular branded groceries is less recyclable in the UK than some other countries, global research inspired by Which? has revealed. We teamed up with eight consumer groups...
Refillable plastic bottles: how eco-friendly are they?
Which? experts dig into the growing trend of refillable products. We crunch the data to find out if they save you money and uncover the story behind the eco claims
Which was the cheapest supermarket in March 2021?
Which is the UK's cheapest supermarket? Which? compares grocery prices at Aldi, Asda, Lidl, Morrisons, Ocado, Sainsbury's, Tesco and Waitrose.
Six ways supermarkets have reduced plastic
Which? reveals some of the the surprisingly simple ways supermarkets are saving plastic waste