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Best One Cup Kettle / Hot Water Dispenser UK 2021 – Top 10 List

Last Updated On November 16th, 2021

You’ll be hard-pressed to find someone who doesn’t enjoy hot beverages on a daily basis. Whether it’s a hot cup of tea while catching up with a friend, a mug of coffee to kick-start your day, or a calming herbal brew before bedtime, hot drinks are a part of day-to-day life for most of us. However, if you’ve ever stood by the kettle watching the clock waiting for it to boil, you may have wondered if there’s a better, and quicker way to make your favourite beverage. Luckily, there’s is an easier solution – a one-cup kettle.

This convenient appliance boils and dispenses water in mere seconds, meaning you spend less time staring at the kettle, and more time enjoying your drink. But with so many hot water dispensers on the market, how will you choose the right one?

Read on for our instant hot water dispenser reviews and buying guide to find the best hot water dispenser for you.

Our Favourite One Cup Kettles Compared

Editor's Choice
Breville BRITA HotCup Hot Water Dispenser with Integrated Water Filter, 3 KW Fast Boil and Variable Dispense, 1.8 Litre, Stainless Steel [VKJ367]
Luxury Choice
Morphy Richards Hot Water Dispenser 131004 Redefine Black 3L
Best Value
Breville VKT124 HotCup Hot Water Dispenser, 3 KW Fast Boil, Adjustable Cup Height, 1.7 Litres, Gloss Black
Most Intuitive
Yum Asia Oyu Digital Instant Hot Water Dispenser with white 'Hidden Under' LED touch display, 4 Litre capacity, Ecoboil, InstaHEAT technology, 220-240V UK/EU Power
Breville BRITA HotCup 1.8 Litre
Morphy Richards 131004 Redefine Black
Breville HotCup 1.7 Litre
YumAsia Oyu Digital
Power
3 kW
3000 W
3 kW
2100 W
Capacity
1.8 L
3 L
1.7 L
4 L
Boil Time
40-60 seconds
30-45 seconds
40-60 seconds
3-5 seconds
Editor's Choice
Breville BRITA HotCup Hot Water Dispenser with Integrated Water Filter, 3 KW Fast Boil and Variable Dispense, 1.8 Litre, Stainless Steel [VKJ367]
Breville BRITA HotCup 1.8 Litre
Power
3 kW
Capacity
1.8 L
Boil Time
40-60 seconds
Luxury Choice
Morphy Richards Hot Water Dispenser 131004 Redefine Black 3L
Morphy Richards 131004 Redefine Black
Power
3000 W
Capacity
3 L
Boil Time
30-45 seconds
Best Value
Breville VKT124 HotCup Hot Water Dispenser, 3 KW Fast Boil, Adjustable Cup Height, 1.7 Litres, Gloss Black
Breville HotCup 1.7 Litre
Power
3 kW
Capacity
1.7 L
Boil Time
40-60 seconds
Most Intuitive
Yum Asia Oyu Digital Instant Hot Water Dispenser with white 'Hidden Under' LED touch display, 4 Litre capacity, Ecoboil, InstaHEAT technology, 220-240V UK/EU Power
YumAsia Oyu Digital
Power
2100 W
Capacity
4 L
Boil Time
3-5 seconds

Top 10 Best Hot Water Dispenser Reviews

1. Breville BRITA 1.8 Litre (Editor’s Choice)

If you live in an area where the tap water Breville BRITA HotCup 1.8 Litreis prone to a slightly chlorinated taste, this one cup kettle could be just what you are looking for. It includes well-respected BRITA filtering technology, to ensure you get a pure-tasting brew, every time.

Features

Not only will your water taste great, but it will be ready in quick time too. This instant hot water dispenser made out of stainless steel offers a rapid boiling time of only under 50 seconds, which will certainly be useful if you are in a rush. A generous 1.8L easy-fill water tank means you’ll be able to enjoy many hot drinks before requiring a refill, and the nine different cup size settings plus manual stop mean you can control the flow of water for energy-efficient.

That being said, though, some people found the settings can be a little difficult to judge compared to other hot water dispensers; so it’s likely you’ll have to play around with the cup sizes in order to find the one that’s right for you.

Furthermore, some users found this instant hot water dispenser could be prone to leaks, and that it occasionally gives off an unpleasant smell while in use. This may be due to issues with the filter, so you will have to make sure it is replaced regularly.

Pros:
  • Choose between nine different cup sizes for the perfect fill
  • 8L water tank reduces the need for regular refilling
  • BRITA filter removes both chlorine and limescale
  • Very easy to fill up and clean
  • Manual stop button to avoid overflow
Cons:
  • May be prone to leaks
  • May be difficult to judge settings for cup sizes
  • Can cause an unpleasant smell when in use

2. Morphy Richards 131004 Redefine Black (Luxury Choice)

If you are looking for a top-quality hot water dispenser that also helps you keep an eye on Morphy Richards 131004 Redefineyour electricity bills, this Morphy Richards 131004 could be a perfect choice. This one cup kettle only boils the water that you need, thus saving you money as well as being quick and easy to use. The 3-litre capacity also means you will be able to enjoy up to 12 cups before needing to refill.

Features

In line with other water dispensers we have seen, the Morphy Richards 131004 has precise variable temperature and volume settings, so you can enjoy the flexibility to create almost any hot drink you desire, without wastage.

Furthermore, should you feel the need for more water than your setting has produced, simply press the button again to dispense more as required without adjusting the settings. This function is useful if you have the machine set for a large mug, but would actually like to fill a saucepan to cook pasta, for example.

There’s little risk that you’ll burn or spill your brew, thanks to the large digital display screen which clearly shows the settings chosen. What’s more, the built-in BRITA filter works to reduce unpleasant tastes often found in hard water areas. That said, some users still complained that their drinks had an unusual taste.

Cleaning up is easy due to the removable drip tray, however, a few people complained that the machine drips for a long time after dispensing has finished. Moreover, a further negative point revolves around durability – many users said the body of the kettle is prone to cracks, so you may find you have to replace it earlier than you would like.

Pros:
  • Many different heat settings to choose from
  • Energy-efficient since it only boils what you require
  • Easy to read digital display screen
  • Built-in BRITA filter works to improve the taste
  • Can set to automatically dispense certain amounts of water, with more available on demand
Cons:
  • Water may still have an odd taste
  • May drip after dispensing water, creating a mess
  • The body may begin cracking relatively quickly

3. Breville HotCup 1.7 Litre (Best Value)

Breville HotCup 1.7 LitreThis Breville 1.7 Litre offers a unique height-adjustable feature, which makes filling all sizes of cup easy, from petite teacups to overtly tall novelty mugs.

Features

This is a great way for you to avoid splashes and spillages caused by shallow vessels, as well as make sure everyone’s favourite cup can fit. This function is made possible thanks to an adjustable drip tray, which can be smoothly moved up closer to the tap, or even completely removed if you have a very tall cup.

Extremely easy to use, this instant hot water dispenser has a one-touch system which means you simply press a button to dispense hot water in just a minute, so there’s no need for you to wait around. The large tank holds enough fluid for up to 8 cups and the built-in limescale filter helps make sure your water tastes good, too. Furthermore, the inclusion of a hinged lid means you will find this one cup kettle is easy to fill, without the hassle of removing and replacing the tank.

However, there are a few negative things that you should be aware of; firstly, a few users found that the machine drips and the dispensed water can have an odd taste. Also, many people complained that this hot water machine didn’t create boiling water, instead, it seems to dispense very hot water. Therefore, you may find this is not adequate for certain drinks, such as herbal teas.

Pros:
  • Adjustable height for a variety of different cup and mug sizes
  • One-touch system makes it easy to use
  • Manual stop option for full control
  • Easy to remove drip tray avoids a mess
  • Hinged lid makes it easy to refill
Cons:
  • Water may have a strange taste
  • Not the best option for those who want a kettle that dispenses boiling water
  • May be prone to dripping

4. YumAsia Oyu Digital (Most Intuitive)

YumAsia Oyu DigitalIntelligently heat your water in no time with the convenient YumAsia Oyu instant water heater. The energy-saving device can immediately deliver the exact amount of water you need at the temperature you desire without wasting the same energy required for a kettle or coffee machine. The sleek and stylish product fits neatly into any kitchen, too.

Features

The YumAsia Oyu digital dispenser is an excellent pick for instant hot water, featuring an LED touch display for ease of use and a massive 4-litre capacity. All you need to do is tap the screen to adjust the temperature and volume of the water you want, then dispense when you’re ready. The ingrained memory function can hold details of the last temperature and volume used, too.

Water streams effortlessly from the 4-litre tank with minimal dispensing woes, so you can make drinks for the whole family. What’s more, the Yum Ecoboil technology means you get a refreshing drink without having to spend a fortune on energy bills. As an extra bonus, a safety lock feature is included to protect against accidental spills in the kitchen. You may need to descale this device quite regularly to keep it in good condition, though.

Pros:
  • Smooth streams of water from a 4-litre tank
  • Excellent LED touch display for heat and volume control
  • Convenient, eco-friendly performance
  • Sleek and stylish design fits in any kitchen
  • Good temperature control
Cons:
  • May take a while to reach maximum temperature
  • May require regular descaling to work at top performance

5. Cooks Professional 2.5L (Best Fast Heating)

If you are often running late in theCooks Professional 2.5 Litre morning, the Cooks Professional 2.5 Litre water capacity can save you the time spent waiting for the kettle. As one of the fastest instant hot water dispensers on the market, it boils and fills your cup in as little as a few seconds, leaving you with more time to enjoy your coffee before heading out the door.

Features

What’s more impressive is the fact that it delivers hot drinks so rapidly, whilst still storing up to 2.5L of water. It does this by boiling small amounts of water at a time, thus saving you energy as well as precious morning minutes. It’s also incredibly stylish and comes in a few colours, so it’ll fit into most kitchens without sticking out too much.

This model doesn’t offer variable dispensing, so if you have a variety of mug sizes, you’ll have to keep a keen eye on it to make sure your drink doesn’t overflow. Simply press the manual stop button when you have received the amount of water you require.

Unfortunately, this can sometimes mean larger mugs aren’t filled enough the first time around, which can be irritating as you’ll need to dispense again to top it up. Should you have any accidents, the removable drip tray will catch any excess fluids, limiting the amount of wiping up you’ll need to do.

While the speed of this instant kettle can certainly save you time and hassle, it does have its negative points. Some people found that their drinks had a plastic-like aftertaste, and others noted that the unit is quite difficult to clean effectively.

Pros:
  • Boils a hot cup of water in a matter of seconds
  • Very large water tank
  • Removable drip tray catches every spill
  • Stylish design
  • Energy-efficient and low consumption
Cons:
  • Can be quite cumbersome to clean
  • No variable dispensing option for different cup sizes
  • Water may have an aftertaste

6. Breville HotCup 2 Litre (Best 2-Litre Choice)

Breville HotCup 2 LitreThe Breville 2L Instant Hot Water Dispenser with Variable Dispensing is a great option if you need a simple to use one cup kettle, which can fit around your busy routine. Offering a huge 2L illuminating water tank and built-in limescale filter, it can create up to 10 pure-tasting drinks with little fuss.

Features

If you have a large family or a variety of different sized mugs in your cupboard, the variable dispensing feature will be most welcomed. This provides you with the choice of nine cup sizes, so you can be sure your mug won’t overspill, or worse, you’re left with a half-filled hot cup of coffee in the morning.

In addition to the variable dispense feature, this instant hot water dispenser also offers a useful manual stop option. This allows you to halt the flow should you be short on time and require a smaller drink, or prevent overflow if you have accidentally chosen the wrong setting. There’s no need to panic if your drink spills over though, as the handy removable drip tray allows for quick and easy cleanup.

Unfortunately, there are a few downsides to this product. The most notable is that some units have been reported to leak overnight. Furthermore, a few users found this product stopped working after a short time, and they could still taste limescale in their drinks; although this could be due to particularly hard water in the area.

Pros:
  • Variable dispense makes it great for different cup or mug sizes
  • Very large water tank
  • Built-in limescale filter
  • Very easy to fill up and clean
  • Manual stop allows more control overflow
Cons:
  • Potential fault may lead to leaks
  • May not be very durable
  • Water can occasionally still taste like limescale

7. VonShef Black 2.2L (User Friendly Option)

If you’re after a simple, yet speedy VonShef Black 2.2 Litreinstant hot water dispenser, this model from VonShef could be the right one for you. Boiling water in only a few seconds, it also offers the flexibility of variable temperature; so you can create delicious drinks at any temperature you require with the push of a button.

Features

The 2.2-litre tank is generous enough to produce as many as 10 cups of hot water before you need to refill it. As an added benefit, this clear tank is easy to fill, so you won’t need to fuss over taking jugs of water back and forth to top it up.

Unfortunately, it does have a few negative points. Whilst it certainly boils water quickly, the dispensing time can be quite slow, leaving you waiting for your cup to fill. Furthermore, many people complained that the first cup dispensed wasn’t as hot as they would like, thus meaning you’ll have to tip it away and start again.

Also, like other hot water dispensers we have seen, this model is prone to dripping, which even though it has a drip tray, still creates an unnecessary mess.

Pros:
  • Boils water in seconds
  • Variable temperature options allow you to create many drinks
  • Clear tank for ease of filling
  • One button operation makes it easy to use
Cons:
  • Can take longer to dispense water than other hot water dispensers
  • It can drip quite often after use, causing a mess
  • The first cup of water dispensed may not be at the right temperature

8. Breville HotCup 1.5 Litre (Easy Refill Tank)

Simple yet effective, this Breville 1.5 LitreBreville HotCup 1.5 Litre is a great choice if you are looking for an easy-to-use one cup kettle, without any fancy features. Capable of producing measured units of boiling a cup of water in under 50 seconds, this model is perfect for singles or couples looking to save time and avoid waste.

Features

The 1.5-litre tank capacity is enough to create 5-7 cups before refilling, and its energy-efficient functionality ensures only the water you need is boiled, thus saving you money over time.

The water tank illuminates in a cool blue colour when in use, so you can be sure when it’s working. The included removable drip tray makes it easy for you clean, and the water tanks itself is easy to fill – simply pick the unit up like a kettle and take to the tap.

However, every product has its faults, and this one touch kettle is no different. The machine is rather noisy when boiling, and the amount of water dispensed can sometimes be too little or too much, depending on the size of your cup.

Furthermore, there’s no option for different temperature settings, so this model can’t be used for a wide variety of drinks.

Pros:
  • Fast boil in under 50 seconds
  • No mess drip tray
  • Easy to fill the water tank
  • Large enough for 5-7 cups per fill
  • Low energy consumption – only heats water required
Cons:
  • Volume dispensed cannot be changed
  • Can be quite noisy when boiling
  • No temperature settings, therefore it isn’t suitable for some drinks

9. CASO HW 660 (Best Control Display)

CASO HW 660For a professional-looking and reliable instant hot water device, it’s hard to go wrong with the Caso HW 660. This powerful kitchen gadget will fit well into any home décor scheme, with its modern yet minimalist appearance. The device can produce hot water in a matter of seconds, and it’s wonderfully simple to use. If you want a device that looks great and performs well in equal measure, this could be the product for you.

Features

Ideal when you want a cup of coffee but don’t want to wait around for the kettle to boil, the CASO HW 660 hot water dispenser transforms your cold water into boiling water instantly, at the touch of a button. With chrome and black design, the product looks like it belongs in a trendy café or modern office kitchen – making it perfect for most homes.

For ease of use, the CASO comes with a fantastic back-lit touch screen. You can lock the device when it’s not in use to stop anyone from accidentally spilling hot water onto a counter, pause the flow of water mid-stream, and even check the temperature using the in-built thermometer. Setting the temperature and volume of water you want is extremely easy, too. Plus, the components of the device slide apart for easy cleaning.

Pros:
  • Excellent user-friendly touchscreen design
  • Pause and lock functions for safety
  • Choose from a range of temperatures and volumes
  • Sleek and modern appearance
  • Heats water consistently
Cons:
  • May be a little too small for bigger families
  • Requires regular cleaning to avoid spitting

10. Varikettle 5 Litres (Best Large Capacity)

Varikettle 5 LitresAvailable in two colours to suit your kitchen design, the Varikettle hot water dispenser is CE approved and packed with power. A 1200W performance means you can quickly boil up to five litres of water in no time while reducing your energy consumption for quick cups of tea. You can even maintain your selected temperature for an extended period of time so that everyone can have a hot drink.

Features

The Varikettle hot water dispenser is a fantastic tool for the home and office. Stylish and easy to use, the product comes with a stainless-steel inner and a plastic outer shell for enhanced durability and easy maintenance. You can remove the lid on the top of the device and fill it with up to 5 litres of water, so you don’t have to refill every time you’re boiling a new lot of water.

With the Varikettle, you’ll have full control over your temperature requirements, with the option to go from 45 degrees Celsius up to 95 degrees, depending on your preferences. Though a little larger than some of the other hot water dispensers on the market, this product also ensures you’ll always be ready to keep a large family or office full of people happy.

Pros:
  • Excellent capacity of up to 5 litres
  • Sleek and stylish design with stainless steel interior
  • Multiple temperature options to choose from
  • Boil dry protection built-in
  • Child safety lock
Cons:
  • May be a little bulky for a compact kitchen
  • Can use excess energy when keeping water warm

Benefits of One Cup Kettles

One cup kettles are certainly convenient kitchen appliances, which can change the way you make hot drinks forever. So, let’s take a look at some of the biggest benefits of using it:

Faster Than Traditional Kettles

One cup kettles boil water a whole lota cup of hot tea on top of some books faster than traditional kettles. This is because they only heat the amount of water that is required, rather than heating the whole tank each time.

For example, a quick-boil traditional kettle can still take around 3 minutes or more to boil, while a one cup kettle usually takes only a few seconds. This is of huge benefit if you have busy mornings before work or only manage to grab quick coffee breaks during the day.

Temperature Settings

The vast majority of traditional kettles just bring your water to a boil and leave it at that. However, that’s not the case with the one cup kettles. Many have variable temperature settings or heat settings, so you’ll be able to set your water to the perfect temperature for you.

This is a great feature if you like to drink many different kinds of beverages. For example, a hot cup of herbal or green tea can often be spoiled by boiling water, as the temperature is so high it burns the leaves and ruins the taste. It can also reduce the amount of health-boosting compounds within your brew.

Economical Electricity Usage

It may be a little-known fact, but kettles are one of the top home kitchen appliances when it comes to energy usage.

If you’re looking to cut down on your bills, investing in a one cup kettle is a great choice. As these devices only boil the amount of water that is required, they are much more economical to run, thus helping you save money to better spend on other things.

Features To Look For In A One Cup Kettle

There are a few key things to look for when you’re buying a one cup kettle. Some of these will depend on your personal preferences and lifestyle, while other features are more universally desirable. Let’s take a look at the buying guide below to find out the most important features to consider:

Speed

When it comes to your first coffee in the morning, it’s unlikely you’ll be in the mood to wait around long while the water heats up. For this reason, when looking for a one cup kettle, make sure to find out how long it will take to boil.

All one cup kettles will be faster than traditional kettles, but some are considerably faster than other hot water dispensers. After all, the difference between 5 seconds and a minute can feel very long when you need a caffeine fix.

Temperature Settings

Whilst you may not need this feature ifsteaming hot coffee on a rainy day all you will be drinking is black tea or coffee, having the option of adjustable temperatures is still of great benefit.

Not only does this open up the possibilities of beverages you can make, but having a cooler brew is also useful if you are short on time, or have sensitive teeth. Furthermore, this can be a great safety measure if you are making hot drinks for children or the elderly, as the lower temperature eliminates the risk of burns when spilt by clumsy hands.

Water Tank Size

This is relatively simple; the bigger the water tank size, the more cups you can fill up with boiling water. If you live alone and don’t entertain many visitors, as smaller 1-2 litre tank will be more than sufficient.

On the other hand, if you are part of a large family or require a one cup kettle for the office, you should look for an instant hot water dispenser with a much larger tank capacity of 3-4 litres. Otherwise, you’ll likely find yourself running to refill it often, which will soon become tiresome.

Ease Of Use

Ease of use is another important consideration when choosing kitchen tools like salad spinners, blenders, and one cup kettles. This feature is especially important if you are going to get the most enjoyment out of your one cup kettle. While some hot water dispensers offer all manner of settings, the attractiveness will soon wear off if it is a nightmare to use.

Many use a simple, one-button operation to dispense hot water, while other hot water dispensers will require you to select the temperature and volume each time before use. It is a personal preference, but if you are simply looking to make a standard mug of tea, it will be better if you go for a no-nonsense model to save you from frustration.

Drip Tray

As with juicers, Nespresso machines, coffee pod machines or blenders, drink spillage is a fact that cannot be avoided. For this reason, make sure your one cup kettle includes a drip tray as standard.

These trays are often simple to remove and make cleaning up after any spills or drips much quicker and easier. With other hot water dispensers, the drip tray itself is height adjustable, so it can double as a form of size adjustment if you like to use smaller cups.

Water Dispensing

A number of hot water dispensers will offer the option of changing the amount of water which is dispensed each time. Normally, these settings will range somewhere between 150 and 350ml. Because of this, you’ll be able to switch between them to make sure you’re getting the perfect amount of boiled water for whichever cup that you’re using.

While this feature may not be a deal-breaker, it will certainly be a welcome addition if you have a variety of cup sizes that you like to use.

Conclusion

Each of the one hot water dispensers talked about in our instant hot water dispenser reviews would make fantastic choices, but in our opinion and based on our buying guide, the winner has to be the Breville BRITA 1.8 Litres.

We love how this instant hot water dispenser is able to rapidly boil water in under 50 seconds, meaning you can make your coffee and get on with your day in no time. The built-in BRITA filter also ensures that your drink will taste great, even if you live in a hard water area.

Furthermore, the generous 1.8L water tank and choice of nine cup sizes mean that you will get perfect measures for all your favourite cups, without having to refill often. However, should you miscalculate, the handy manual stop button ensures you can control the flow of water for energy-efficient.

Overall, if you’re looking for a quicker and more economical way to enjoy hot drinks, we think the Breville BRITA 1.8 Litres is the best hot water dispenser on the market today.

Additional Resources

2 Responses

  1. I have a ‘Morphy Richards 131004 Redefine Black’ and it is brilliant. The only thing that you don’t mention is that it can do two mugs (of the same size) at the same time, which is handy for me and my husband.
    The only drawback with it is that it doesn’t always get to 100 degrees.

  2. I understand that the Breville ‘hotcups’ are recommended but they do not deliver to this address. I am housebound so I cannot collect from a shop.
    I am looking for a 3-3,5l capacity device.
    Have you any other suggestions?

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