Kettles all use a similar amount of energy to boil a litre of water, but that doesn’t mean they’re all equally efficient.
If a kettle switches off immediately after boiling and has a low minimum fill level, it can help you save energy and money, as this means you don’t have to boil more water than you need.
In order to be eco-friendly, a kettle must have a brief overboil time and low minimum fill level. That way, we know that they do more to keep electricity usage down.
Kettle make and model
250ml (1 cup)
Verdict: It may be on the expensive side, but this kettle is a great all-rounder. It boils quickly, is very easy to use and filters limescale effectively if you live in a hard water area.
300ml (1 mug)
Verdict: Ideal if you only tend to make one cuppa at a time, this kettle can boil 300ml in less than a minute. It has multiple temperature settings for different kinds of tea and beeps when it's boiled.
285ml (1 cup)
Verdict: This quick and quiet kettle looks stylish and is easy to use. It turns off quickly after boiling and you can do just one cup at a time, making it much more energy efficient than the majority of kettles we test.
250ml (1 cup)
Verdict: This modern-looking metallic kettle will have your morning coffee ready in less than one minute. It doesn't boil for any longer than necessary and it's a great choice if you've previously struggled with limescale build-up.
250 ml (1 cup)
Verdict: It's a cheap and cheerful kettle that doesn't compromise on performance. You can make a speedy drink for one or cater for a larger group hassle-free, plus it's very easy to use.