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Top five dishwashers for 2020

By Hannah Walsh

We've rounded up the very best of our Best Buy full-sized and slimline dishwashers to help you find the right model for your home.

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Whether you want an integrated or freestanding dishwasher that’s compact, slimline or full-sized, we’ve got a top-scoring model for you. 

Hundreds of dishwashers have passed through our labs, including models from Beko, Bosch, Hotpoint, Miele, Zanussi and others. The picks in the table below are some of the very best dishwashers we’ve tested.

We bake each dish in our tests with a variety of foods to see how well each dishwasher cleans. We even add in some clean dishes to the load, to see if the dishwasher spreads grime around. 

The best leave all dishes clean and glasses sparkling, and are easy to use, too. We assess how well each dishwasher dries, and whether it leaves a lot of streaks or watermarks on cutlery, crockery and glassware, too.

But we’ve also found models that are not only awkward to load, but that will leave you with food smeared or still wet dishes that need some elbow grease to get them up to scratch.

Only logged-in Which? members can view our recommendations below. If you’re not yet a member, join Which? to get instant access.

Best freestanding dishwasher


If your budget extends this far, you'll be making little to no compromises with this dishwasher.

Best fully integrated dishwasher


This dishwasher flew through our tests without breaking a sweat. It cleans and dries fantastically and is easy to load and unload. Sure, we've found others that are a little bit more efficient. But what sets this dishwasher apart, and gives it a lead over most, is that it runs almost silently.

Best semi integrated dishwasher


This dishwasher is among the most efficient we've ever tested - even among other Energy Saver dishwashers, it would save you money. The fact that it also still gives five-star cleaning and drying is nothing short of magic.

Best slimline dishwasher


This slimline dishwasher removed sticky baked-on food such as egg and spinach with ease, and did a good job of getting plates and cutlery dry. It was heavy-handed with water and energy while using the auto program, but this can be improved by switching to the eco cycle.

Best cheap dishwasher


Apart from being noisy, this dishwasher is fantastic, and it passed our tough cleaning tests with flying colours. It dries well, doesn't leave watermarks and the eco program doesn't use much water or electricity.

Not found the product for you? Browse all of our dishwasher reviews.

And here are three dishwashers to avoid

We've found dishwashers that do such a poor job of cleaning and drying that we simply can't recommend them. They're annoyingly noisy and the worst models are awkward to load and unload, too. The Don't Buy dishwashers in the table below are definitely best avoided.

Don't Buy dishwashers


Despite coming from a reputable brand, this dishwasher disappointed. Quite simply put, it is one of the worst cleaners we've ever seen.


We weren't impressed by this dishwasher. It's difficult to use and dreadful at cleaning, so you can expect to find traces of last night's supper left behind on your freshly washed dishes. It's definitely one to avoid so we've made it a Don't Buy.


This semi-integrated one-drawer dishwasher that has room for 60 items. This 2017 model, however, failed to clean our dirty dishes, and is a disappointing Don't Buy.

How much energy will your dishwasher use?

We don't just test how well a dishwasher will clean your dirty plates and glasses, we calculate the annual energy running costs, too, so you don't get a shock when your utility bills land on your doormat. 

Although most dishwashers have an official A-rating for energy efficiency, we've found plenty of models that use both water and electricity inefficiently - even on the eco program. Which? gives each model a star rating of one to five for energy and water use. Look out for dishwashers with a Which? energy efficiency rating of four stars or more.

If you want to compare running costs for the dishwashers we've  tested, head over to our dishwasher energy running costs guide to use the interactive tool.


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