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Heating & energy

Which? smart light bulbs test exposes security flaws

Our smart light bulb tests, including Philips Hue and Hive bulbs, revealed some insecure design. Find out which models have decent security shields and are a dream to use.

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Couple worrying over an energy bill

Why your energy bill should be a top government priority

As British Gas raises electricity prices, Which? research reveals energy prices should be a top priority for government, according to consumers.

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Two people discuss energy bill

Top five cheapest energy deals for September 2017

The top five cheapest gas and electricity deals for September 2017, revealed by Which? Plus the savings available for millions of energy customers on standard tariffs.

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Is your energy company overcharging you by £276?

Two thirds of the biggest energy firm's customers are on poor-value tariffs.. If you’re on one, find out if your supplier offers a cheaper energy deal.

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Solar panels on roof

Top five solar panel problems

The top five solar panel problems revealed by Which? Plus the lowdown from when they’re likely to happen and what to expect with your inverter.

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Couple discusses energy bill while child is on sofa

Revealed: the energy deals ending which could add £400+ to your bill

Energy deal ending this month? Then you risk a £400+ gas and electricity bill increase over the next year if you take no action. Find out if your deal is ending and the best cheap energy deals.

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Smart meter and solar panels

Smart meters and solar panels: what’s the sticking point?

Some solar panel owners have been told they can’t have a smart meter yet, thanks to their solar PV. We reveal which energy firms can install smart meters with solar, and problems owners face.

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Top five cheapest energy deals for August 2017

Following British Gas’ price rise announcement, we reveal the cheapest energy deals for August. Could you save £353 on gas and electricity?

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Family in living room

Have you been with your energy supplier longer than with your spouse?

Which? reveals how many customers have been with their gas and electricity supplier for more than 50 years, plus the mistakes you might be making by sticking with your energy firm.

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British Gas raises electricity prices

British Gas has announced it’ll raise electricity prices for its standard tariff by 12.5% on average, increasing the bills of 3.1 million of its customers from mid September.

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