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Sales pricing secrets: we reveal the best and worst times to buy

Our year-long investigation tracked the prices of popular products across major retailers to find out when it's really a good time to buy

Tesco launches new Jack’s budget stores

Britain’s biggest supermarket Tesco has announced it is launching a new chain of budget stores, called Jack’s. The new chain will offer a small number of unique, low-cost, own-brand lines....

Oversized packaging: named and shamed

Which? members share the most ridiculous examples of oversized packaging that they've received from online retailers, including Amazon and Lifestyle Labs

Amazon Prime ‘next-day delivery’ claim misleading, says ASA

The Advertising Standards Authority rules that Amazon shoppers were 'misled' by its promise of one-day delivery during last year's Christmas sales period

Up to 29% of supermarket packaging is not recyclable, Which? finds

We've investigated just how much plastic supermarkets use, and reveal what you can do to reduce your plastic footprint

Act now to get the most from your Tesco Clubcard vouchers

If you're looking to cash in your Tesco Clubcard vouchers, this could be the weekend to do it. Find out more about the change to Tesco's Clubcard voucher scheme.

Best and worst high street shops of 2018 revealed by Which? poll

Lush, Savers and Smyths Toys top the rankings of our annual customer survey while WHSmith finishes at the bottom of the pile, amidst trying times for the UK retail industry

Retailers’ advice exposes millions to tumble dryer fire danger

Millions of householders could be exposed to danger thanks to dodgy safety advice given out by some of the UK’s biggest retailers and Whirlpool. Our undercover investigation used mystery shoppers...

Which supermarket was cheapest in February 2018?

Which? investigates the cheapest place to buy a typical basket of grocery items in February 2018.

Which supermarket was cheapest in January 2018?

Morrisons tops the list to become the cheapest supermarket for January 2018, in a monthly price comparison round-up from Which?

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