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The best microwaves give you hot and tasty food every time. Read on for our Best Buy recommendations and expert buying advice.
Our independent lab tests have found plenty of microwaves that struggle with basic tasks such as defrosting and steaming.
So we've handpicked our favourites, including our top solo model, combination microwave and the best option with a grill. Each has gone through our rigorous lab tests, so you can be sure it won't scupper your supper.
To see and compare all the models we've tested, go to our microwave reviews.
We test every microwave to see how good it is at heating, defrosting and steaming. We also measure how noisy it is and how easy it is to use.
These are the very best we've tested.
We test dozens of microwaves in our specialist lab each year. Only logged-in Which? members can view our recommendations in the tables below. If you're not yet a member, join Which? to get instant access.
Full Access first month £5, then £11.99 per month, cancel at any time
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Read our guide to the best combination microwaves.
Unlike free-to-access review websites, which typically get the microwaves they review for free directly from manufacturers, we buy all the appliances we test ourselves, so you can have complete trust in our verdict.
We test all the microwaves we review in a laboratory, not a kitchen. We find out:
We've also devised tests to find out how easy or fiddly microwaves are to use and whether the noise they make at full power is loud enough to be annoying.
Our in-depth reviews will help you to choose the perfect microwave for your needs – at a price that suits your pocket.
Read more about how we test microwaves.
Microwave prices vary a lot, and some premium models cost more than £300. If you're after a new one, we've picked out a handful of the most searched-for sellers.
There are three main types of microwave available.
Sometimes called 'solo' microwaves, these are the most basic. They're great for simple tasks such as warming soup, heating ready meals or defrosting food.
They tend to be cheap and compact, so can be a good option if you just want to complete simple tasks more quickly than in a conventional oven. But they don't brown food, so they're unable to compete with ovens for grilling or roasting meat.
Go to our solo microwave reviews to see all those we've tested.
Combination (or combi) microwaves can roast, crisp and brown, just like conventional ovens.
They tend to be the most expensive type but are also the most flexible. The grill and convection heating (fanned hot air) functions mean they can cook and brown your food, often much more quickly than a conventional oven.
Go to our combination microwave reviews to see all those we've tested.
These combine normal microwave cooking with a grilling element. They can perform all the tasks you'd expect from a standard model, such as defrosting ready meals and reheating leftovers. The grill function can also brown food.
You can use the grill and microwave cooking functions separately or combine them, for example to brown the top of a shepherd’s pie while microwaving it. They usually come with a metal rack so food is closer to the grill.
Go to our microwave with grill reviews to see all those we've tested.
As well as choosing the type of microwave you need, there are some other important considerations.
Microwaves come in all sizes, ranging from small, compact models to large, bulkier machines that will take up much more space.
Basic microwaves tend to be the smallest; some combis measure almost twice the size of the smallest solo and grill microwaves we’ve tested.
Arguably more important than external size is internal capacity – we've found that microwaves of the same size can vary massively in terms of usable space.
While manufacturers generally state the internal capacity, this doesn't tell you what size dishes you'll be able to fit inside.
Combis usually have a much bigger capacity than standard machines. The average combi can fit a 35cm-wide dish inside, compared with 29cm for a typical solo model.
All three microwave types are available as either flatbed or turntable.
Flatbed models don't have a traditional turntable and use a different technology to distribute heat evenly.
The big advantage of a flatbed is that you get extra cooking space, as you can squeeze in bulky or oblong containers without having to leave room for them to rotate. The lack of a turntable also means they're less fiddly to clean as there are fewer places for cooking grime to collect.
On average, you'll pay more for a flatbed model, though.
To see which are brilliant at heating evenly, head to our flatbed microwave reviews.
Freestanding models sit on your countertop, whereas built-in microwaves slot seamlessly into your kitchen units, for example above your oven. Built-in microwaves are much more expensive than freestanding models.
For advice on choosing and installing an integrated model, see our guide to the best built-in microwaves.
All microwaves need some clearance space around them to allow air to ventilate, but the amount needed varies. So consider where yours will be placed and check this before you buy.
Half of those we’ve tested need at least 30cm above them, but we’ve found plenty that only need between 10cm and 20cm.
Many also need 10cm to 20cm of space at the back and sides. However, if you’re short on counter space, it’s worth looking around as we’ve found some that only need a 5cm gap around them or none at all.
You can check clearance space for specific models by finding the user manual online or contacting the manufacturer directly.
If you don't have room for a microwave, our electric grill reviews can help you find a space-saving alternative.
Despite their relatively straightforward purpose, microwaves can vary considerably in terms of the accessories and features they offer.
Here are some of the key features to look out for.
Don't assume you need to spend a lot to get a decent microwave.
We’ve found models across all price brackets that offer a good range of features and do what they're meant to do brilliantly.
Those costing less than £60, from the likes of Asda and Currys Essentials, will be pretty basic. They tend to be small in size and are likely to be microwave-only (solo) models with limited settings.
This makes them very easy to use, but you won’t usually get much in the way of auto cook or defrost programs (see features to look out for, above).
For simple heating and defrosting, cheaper brands can be every bit as good as more expensive options. We've found plenty of great machines starting from just £55.
Look for a microwave with a selection of auto programs (to automatically set the weight and time for specific foods), digital displays and easy-to-use push-button or touch-panel controls.
Some models at this price will come with other extras such as delayed start and multi-stage cooking (to automatically switch between heating modes such as defrosting and heating).
Cheaper grill and combination microwaves are available for around £100.
Features to look for include self-cleaning catalytic linings and pull-down, oven-style doors, which make it easier to take out very hot dishes. Accessories you might find useful include crisper plates and steamer accessories.
Microwaves at the pricier end of the spectrum are likely to be built-in models.
If not, they should have standout features, such as a built-in streamer or one-touch sensor cooking. The latter works out everything for you – all you need to do is put your food in and press the start button.
Head to our guide to the most reliable microwave brands to discover those that Which? members recommend.
Microwaves are a good way to cut your energy costs, as they use significantly less energy than other cooking appliances.
In a recent test, we compared how much energy microwaves used compared with electric ovens and air fryers when cooking a jacket potato. We also measured the energy used to steam vegetables, compared with induction hobs and pressure cookers.
Built-in electric oven | Air fryer | Microwave | |
Cooking time | 68 mins | 48 mins | 8 mins |
Energy used to cook | 1.084kWh | 0.392kWh | 0.149kWh |
Cost to cook | 27p | 10p | 4p |
Quality of cooking (max 5) | 5 Well cooked with a crispy skin | 5 Soft and tender inside, crispy skin | 5 Fluffy and soft inside |
Based on an electricity cost of 24.5p per kWh, the average capped rate for direct debit customers from 1 October 2024.
Pressure cooker | Induction hob | Microwave | |
Cooking time | 12 mins | 9 mins | 5 mins |
Energy used to cook | 0.204kWh | 0.192kWh | 0.086kWh |
Cost to cook | 5p | 5p | 2p |
Quality of cooking (max 5) | 5 Perfectly steamed | 4 A little too firm | 4.5 Slightly overcooked |
Based on an electricity cost of 24.5p per kWh, the average capped rate for direct debit customers from 1 October 2024.
Based on our test, you save 23p when you choose to cook your jacket potato in the microwave rather than the oven and 6p if you shun your air fryer.
When it comes to steaming, the microwave beat both the induction hob and pressure cooker, saving 3p for each healthy bowl of veggies.
These tips will help you to save even more money when using your microwave.
It can be tempting to whack your microwave’s power up to the highest setting for a quicker dinner. But you don’t need to blast everything on ‘full’.
Cooking certain foods at full power will dry them out or burn the outside before the middle is done. You’ll use more energy doing so, too.
These guidelines are based on using an 800W microwave:
If this seems like too much effort, look for a microwave with auto programs that will set the time and power level for you.
Although microwaves don't use much electricity when on standby, it still stacks up when left for the whole day. This is especially true for models with digital displays.
Several microwaves we’ve tested, such as the Sharp YC-PG284AU-S and Samsung MS23K3513AK, have a power-saving mode. This puts the control panel and clock into sleep mode to reduce energy consumption when the unit isn't being used for a long time.
If your microwave doesn’t have this feature, we advise flicking the power switch off when you’re not using it.
Keeping your microwave clean will help to reduce energy costs, too. This is because bits of food, grime and spills will add a couple more seconds to your food's cooking time.
When done regularly, a good wipe with a cloth soaked in a water and vinegar mixture is enough to keep your microwave spick-and-span.
To find an energy-efficient microwave, head to our microwave reviews and filter by 'Eco Buy'.
A microwave's power is measured in watts – and generally, the higher the wattage, the faster your food cooks.
Our tests have shown that a higher wattage isn’t always a good indicator of microwave performance, though. We've found 700W microwaves that can cook food as well and as quickly as 1,000W models.
It's worth remembering that not everything needs to be microwaved on full power for the best results. Choosing a solo microwave with adjustable power levels will give you the flexibility to blast on full power for quickly reheating liquids such as soup, or to defrost mince gently without cooking it.
A microwave’s heating category is rated from A to E, and will tell you how quickly or slowly it will heat food. Microwaves in category E will heat your food more quickly than those rated A. You’ll find your oven’s rating on the front, usually on the door. E is the most common rating.
All the microwaves we've tested have been given a heating category of E by the manufacturer, which means they're supposed to cook at between 741 and 800W, but this isn’t always the case.
We test the performance of microwaves against their power ratings and have found they’re not always accurate – differences of 5% to 10% are commonplace.
You may need to cook your food for longer than recommended to make sure it’s piping hot all the way through.
To get the best possible results from your microwave, you need to keep it clean.
Little and often is best, as this will prevent food from building up and sticking to the interior. If you've had a spillage, the sooner you deal with it the better. Dried-on messes will be harder to shift.
To remove stubborn food spatters inside your microwave:
If your turntable is on the grimy side, simply remove it and wash with warm soapy water – or pop it in the dishwasher if your model permits.
You can wipe down greasy, smudged viewing windows with a 50/50 mixture of vinegar and water, before rinsing and leaving to air-dry. Your best bet for getting the gunk out of the rubber door seals is a damp cloth dipped in a little bicarbonate of soda.
Choose the best container for heating and cooking with our guide: Can you put glass in the microwave? Plus plastic, foil, paper and more.