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Top five best slimline dishwashers for 2019

By Hannah Walsh

We've rounded up the slimline dishwashers that have topped our tests, to help you easily find the best 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.

The slimline dishwashers recommended below have all gone through the same rigorous testing as full-sized models, so you can be sure that what they lack in capacity they make up for with the quality of their cleaning.

Slimline dishwashers are around 15cm thinner than the average full-sized model making them perfect for those that are short on space. They typically wash between 80 and 100 items of crockery and cutlery. The best from our tests will leave your dishes grime-free, your cutlery shining and your glasses gleaming.

But we've also found slimline models that will leave you with food smeared on or still wet dishes. It's not uncommon for slimline dishwashers to be even pricier than full-sized models, too, so picking the wrong model could be a pricey mistake.

You can compare all the models we've tested in our slimline and full-sized dishwasher reviews, or scroll down to see the three top scorers and one Don't Buy dishwasher you should steer clear of. 

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

Best slimline integrated dishwashers

75%
£999.00
Reviewed

This is one of the highest scoring slimline dishwashers we've ever tested - is it the one for you?

69%
£292.97
Reviewed

This dishwasher is a great, affordable all-rounder. It will leave your plates clean and dry, without using too much energy.

Best freestanding slimline dishwashers

66%
£478.00
Reviewed

This energy saver cleans well, dries better and doesn't use much water or energy to get the job done - so it's cheap to run, too.

65%
£553.00
Reviewed

This slimline is fantastic at drying and frugal with water and energy. It's a tad noisy, and not the easiest to clean, but still a very worthy Best Buy.

Best cheap slimline dishwasher

72%
£209.00
Reviewed

For the price you can't get a better slimline dishwasher. It lacks some features pricier ones have, but more than makes up for this in how well it cleans and dries.

Not found the product for you? Browse all of the best dishwashers

And here's three slimline dishwashers to avoid

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

Don't Buy slimline dishwashers

42%
£339.00
Reviewed

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

39%
£211.00
Reviewed

This slimline model is a disappointment - it doesn't impress when it comes to cleaning or drying and isn't the easiest to use.

34%
£478.00
Reviewed

This Don’t Buy dishwasher will leave you with dirty, wet dishes. It’s noisy too, so you’d struggle to hold a conversation while the cycle is running.

Should you buy a slimline, compact or full-sized dishwasher?

Slimline

Width: Approximately 45cm Capacity: 80-100 items

If you're tight on space then a slimline dishwasher can be your best option. They are narrower than full-sized machines, but even the smallest are still capable of washing enough crockery for a party of eight. But bear in mind that slimline dishwashers tend to be less energy efficient than full-sized models and can often cost more than the cheapest large machines.

Compact

Width: Approximately 55cm Capacity: 40-60 items

Compact models can be either integrated or table-top dishwashers. As their name suggests, table-top dishwashers sit on top of kitchen counters, while integrated compact models take up the space of a drawer in your built-in kitchen. They're often quite expensive and it can be tricky to fit large items into them, too.

Full-sized

Width: Approximately 60cm Capacity: 120-150 items

Full-sized dishwashers have capacity for between 12 and 15 place settings, although the very largest from our tests can hold a whopping 16 place settings. Each place setting is made up of 10 items, so that's 120 pieces of crockery, cutlery and glassware. If you have a large family or regularly have lots of dishes to wash, go for a model with a larger than average capacity – so 13, 14 or 15 place settings. Smaller households may find that they struggle to fill a load, making the extra space taken up by a full-sized machine unnecessary. 

Still not sure what you need? Read our guide on how to buy the best dishwasher.

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