10 Best Water Purifier in The UK

Last updated on 07/08/2025

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Waterdrop 10UA Under Sink Water Filter, 30,000 Liters High Capacity Water Filter System, NSF/ANSI 42 Certified,Reduce PFAS, PFOA/PFOS, Reduce Lead, Chlorine, Bad Taste, Odor

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Why We Love It

Long-lasting filtration with large capacity.
Multi-stage, broad spectrum filtration.
Simple installation and fast flow.

Main Highlights

𝐔𝐥𝐭𝐫𝐚-𝐥𝐨𝐧𝐠 𝐬𝐞𝐫𝐯𝐢𝐜𝐞 𝐥𝐢𝐟𝐞: When used with municipal water, each filter has a maximum service life of 12 months or 30,000 liters. (This may vary based on water conditions.) If you want to reduce water hardness or TDS, choose the Waterdrop RO system!
𝐈𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐯𝐞 𝐦𝐮𝐥𝐭𝐢𝐬𝐭𝐚𝐠𝐞 𝐟𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧: The Waterdrop Direct Connect Undersink Water Filtration System uses innovative multistage filtration. And it can effectively reduces chlorine, heavy metals, chemical iṁpurity, sediment and other large particles.[2] Enjoy healthy and pure water straight from your tap – no need to buy bottled water anymore! If you want to reduce water hardness or TDS, choose the Waterdrop RO system!
𝐈𝐀𝐏𝐌𝐎 𝐜𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐟𝐢𝐥𝐭𝐞𝐫: Specially selected premium materials are lead-free, which is fully certified by the IAPMO against NSF/ANSI 372 standard. Tested by IAPMO ANSI 42 Standard, it effectively reduces chlorine, taste and odor. The BPA-free, lead-free material ensures more reliable use from the inside out. To look over the 42&372 certification of this product, please search "WD-10UA" on IAPMO official website.
𝐄𝐚𝐬𝐲 𝐢𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧: The system should be connected only to a cold water supply. With innovative push-to-connect fittings, the entire installation process takes less than 3 minutes. The twist-and-lock design ensures that you can replace the filter in 3 seconds. The system includes a 3/8" hose. The 3/8"–1/2" convertor fitting helps you connect the system to both 1/2" and 3/8" cold water lines and faucets.
𝐅𝐚𝐬𝐭 𝐟𝐥𝐨𝐰 𝐫𝐚𝐭𝐞 & 𝐦𝐮𝐥𝐭𝐢𝐩𝐥𝐞 𝐮𝐬𝐞𝐬: The fast and stable water supply provides pure water that tastes like spring water. The tested full flow rate is 3 liters per minute at 60 psi. Developed for household and commercial use, the Undersink Water Filtration System can be installed in your kitchen, bathroom, RV, or office to meet your daily water needs. With its exquisite design and small size, it is the best choice for a rented apartment.

Waterdrop Mega Instant Electric Water Filter Jug with 3 Months Filter, 6L Countertop Water Filter System, Reduces Chlorine, Lead, Mercury, Reduce PFAS, PFOA/PFOS, 757 Litres, Blue (1 Filter Included)

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Why We Love It

Large capacity saves time.
Certification ensures quality water.
Long lifespan adds convenience.

Main Highlights

[Flow for more, elevated water drinking experience] This electric water filter jug is designed to meet the demands of a larger audience. Furthermore, thanks to its benefits of a larger capacity, quicker filtration, fresher water, timely usage, and more intelligent, easier operation, this water fibles more people to access pure water effortlessly, freeing them from the hassle of lifting heavy jugs.
[6L Ultra-large capacity] This water filter dispenser comes with an ultra large capacity of 6L, which can meet demands of multiple persons at the same time and reduce frequent water refills, thereby saving your time and energy.
[NSF/ANSI 42, 53, 402&372 Certified] The filtered water jug has been certified by IAPMO against NSF/ANSI 42, 53, 401 & 372 standards to reduce 30+ substances including chlorine, lead, mercury, benzene, bisphenol A and more. It also has been tested by a third-party Iab to reduce PFOA, PFOS, ensuring high-quality drinking water.
[Extended filter lifespan, more moments of refreshment] Expperience prolonged effectiveness with a filter designed to last for 200 gallons or 3 months, depending on your local water conditions or usage patterns. This extended lifespan ensures more moments of refreshment, delivering consistently pure water whenever you need it.
[30-day Battery Life] Equipped with a built-in battery, our dispenser offers an impressive 30-day battery life on a single charge. Seamlessly integrating into various settings, like kitchen, living room, bedroom, camping, RV, and fridge, it eliminates the need for frequent charging, saving you time and conserving energy for your convenience.
[Safety first] This Mega electric water filter pitcher has successfully passed stringent IPX5 waterproof tests, affirming its safety for operation in wet environments. Crafted frrom BPA-free quality materials, it guarantees the purity and safety of each water droplet for consumption. Trust irsafety, quality, and convenience with every sip.

Aqua Optima Lumi Chilled Filtered Water Dispenser – 8.2L Total Capacity & 1 x 30 Day Evolve+ Water Filter Catridge for Reduction Of Microplastics, Chlorine, Limescale & Other Impurities

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Why We Love It

Instant chilled water.
Advanced five-step filtration.
Space-saving design.

Main Highlights

CHILLED WATER WITH THE TOUCH OF A BUTTON - With just one touch, you can enjoy refreshingly cool water. The Lumi cools water twice as fast as a carafe in the fridge - no more waiting around!
FIVE-STEP FILTER TECHNOLOGY - Aqua Optima’s 5-step water filtration technology efficiently filters tap water to reduce impurities including microplastics, chlorine, limescale, herbicides, pesticides, lead and heavy metals; giving you purer tasting water for your hot and cold drinks.
COMPACT COOLING CONVENIENCE - The compact design means this water dispenser fits right onto any worktop; saving you valuable space in your fridge.
GENEROUS CAPACITY - Enjoy 5.3 litres total capacity (that’s up to 10 glasses), 0.8L chilled filtered water capacity thanks to the Lumi’s generous design. Guaranteeing you fresh, filtered water throughout the day.
REDUCE PLASTIC & SAVE MONEY: Replacing your bottled water to filtered tap water using Aqua Optima water filter cartridges will considerably reduce the amount of plastic bottles used. Each filter can potentially remove 200 single use plastic bottles from use, and reduce your carbon footprint. At just 4p per litre, filtered water is also up to 95% cheaper than buying bottled water.

CO-Z Water Distiller, Stainless Steel Distilling Pure Water Machine for Home Countertop Table Desktop, 4L Distilled Water Making Machine, 4 Liter Water Purifier for Home,Brushed Silver

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Why We Love It

Efficient purification and wide application.
Assures safe operation and longevity.
Promises easy maintenance and support.

Main Highlights

WATER DISTILLER: This tabletop water purifier by CO-Z purifies water, filters out impurities, and dissolves VOCs at 0.3 gallons per hour to give you easy access to purified water in your kitchen, home office, dental clinic, or lab
WIDE APPLICATION: Our distilled water maker provides 6 ppm water for home and commercial use; the purified water is great for healthy drinking and for use in coffee machines, humidifiers, engine cooling systems, CPAP machines, cooking, aquariums, and more
SAFE OPERATION: This water distiller automatically turns off when the temperature reaches 302 F to effectively prevent overheating; the container is made of 304 stainless steel and the outside boasts a stylish golden powder coated finish for long-lasting performance
HEALTHIER: The included activated carbon removes any organic contaminants from the water,get more purer water.
EASY MAINTENANCE: The included cleaning powder lets you easily clear away any sediment or limescale build-up, while clear instructions guide you through the cleaning process to ensure you'll have cleaner water for years to come
PRODUCT LIST: Water Distiller,Collection Pot, Power Cord,Cleaning Powder, Activated Carbon Filters, Collection Cap, Storage Cap, Instructions
PREMIUM SERVICE: Order this water distiller by CO-Z with peace of mind thanks to its friendly 24/7 customer service!

Bonnlo【Upgraded】4L Water Distiller Countertop Distilled Water Machine with Flame-retardant Material, BPA-Free Container & Stainless Steel Interior, 750W Distilled Water Maker Purifier (white)

3% Off

Why We Love It

High efficiency and auto-off feature.
Quality materials promise longevity.
Versatile and portable design.

Main Highlights

√ Work Efficiently: Featured with 750W high power, this distilled water machine can water up to 1L per hour, and take about 4 hours to finish one round of water distillation. Build-in thermostat to avoid overheating and ensure auto-off
√ Fair Quality: Body upgraded with flame-retardant material. White Baked-Enamel body, 100% 304 stainless steel Inner tank / Inner cap / Water outlet / Water inlet, Aluminum fan, Soft Catheter, 4L Plastic Container with handle. All materials are food-grade, ensuring long-lasting use. NOTE: It is recommended to clean the water tank after being used twice
√ Easy Operation: Upgraded with on/off switch button to ensure safety. Push the button and forget it, it'll auto-off when done. When you need the second distillation, just press the reset button (on the front) to start the second round. Installation is easy and so is clean-up. Both distiller and container have large openings for easy access and cleaning. NOTE: 1. Please read the instructions carefully before use. 2. Press OFF and unplug the power cord when not in use
√ 5 Bonus Gifts: Comes with accessories. 3 charcoal sachets. Soft Catheter, and chamber cleaning powder is also provided to clean the unit
√ Various Applications: Portable design makes it easy for you to carry while on vacation. Suit for home, office, and commercial use. It can be widely used in dental products, humidifiers, engine cooling systems, distill wine,evaporators and so on. We provide the 12-month warranty for water distiller machine

BRITA Flow XXL Water Filter Tank (8.2L) incl. 1x MAXTRA PRO Pure Performance cartridge - fridge-fitting dispenser for families and offices - now in sustainable Smart Box packaging

40% OffFree Shipping

Why We Love It

Convenient, family-friendly design.
Advanced 4-stage filtration.
Environmentally sustainable choice.

Main Highlights

Perfect for fridge shelf or countertops with convenient tap and sliding lid for easy refilling and cleaning (BPA-free and dishwasher-safe except digital indicator)
150 litres of fresh filtered water in 4 weeks from just one cartridge - digital Lifetime Indicator BRITA Memo measures time to remind on filter exchange
MAXTRA PRO 4-stage filtration with natural activated carbon and ion-exchanger pearls: pure and fresh water, full aroma in your coffee and tea and reliable limescale protection.
Filters impurities such as certain herbicides, pesticides and pharmaceuticals, reduces taste-impairing substances such as chlorine, limescale and metals like lead and copper
Improved filter performance: BRITA's new innovative micro-mesh reduces microparticles ≥ 30 μm. 4x better than our previous BRITA MAXTRA+ filter cartridge.
Full capacity of 8.2L for 5.2L fresh filtered water, perfect when a water filter jug isn't quite big enough!
Included: 1x water filter XXL tank BRITA Flow, 1x MAXTRA PRO Pure Performance water filter cartridge which lasts 150L and is recyclable

Waterdrop Instant Electric Water Filter Jug with a 3-Months Filter, 3.5L Countertop Water Filter System, Reduces Chlorine, Lead, Mercury, Reduce PFAS, PFOA/PFOS, 757 Litres, Blue (NOT Reduce TDS)

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Why We Love It

Electric design ensures quick filtration.
High-quality filters enhance water taste.
Portable design is great for travel.

Main Highlights

[Upgrade your jug today] With its 𝐞𝐥𝐞𝐜𝐭𝐫𝐢𝐜 𝐝𝐞𝐬𝐢𝐠𝐧 and one-key control, this water filter jug gives you an experience beyond traditional pitchers and dispensers: faster filtration, more precise filter materials and effortless operation. Upgrade now for the ultimate convenience and the most refreshing water.
[Quality filter materials] This countertop water filter system's 5 µm premium carbon block filter material offers high accuracy, excellent adsorption, and zero carbon leakage. It effectively reduces impurities, enhancing the purity and taste of your drinking water. To ensure the best taste, please replace the filter promptly after filtering 757 litres of water or 𝟑 𝐦𝐨𝐧𝐭𝐡𝐬 of use, whichever comes first. 3-pack & 2-pack replacement filters are available for purchase!(search model: WD-EDF)
[Long battery life] The inbuilt battery offers a 30-day service life with a single full charge. This helps to save time by avoiding frequent recharging. *The battery can last for about 30 days under the conditions that it is fully charged and 3-4 litres of water is taken daily.
[Safety performance] It has passed the rigorous IPX5 high waterproof standard tests, confirming its safety for use in wet environments. The water-contacting components are made from BPA-free materials, ensuring that every drop of water is clean and safe for consumption.
[Portable design] Despite its large 3.5 Litres filtration capacity, the filtered water jug sports a compact design suitable for various settings such as kitchens, living rooms, offices, refrigerators, or even during camping trips. The handle design also makes it convenient to move around.

Waterdrop Water Filter Camping, Personal Water Filter Straw with Gravity Water Bag, 0.1 Micron Water Filtration System Drinking Water Purifier for Emergency Hiking (Blue)

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Why We Love It

Portable and light for travel.
Innovative super-wash design.
High capacity and efficiency.

Main Highlights

𝐏𝐚𝐜𝐤𝐚𝐠𝐞 𝐍𝐨𝐭𝐞:There are 3 parts in the package of this item: a filter straw, a white small bag and a blue gravity bag. Please note that the white bag is in one package with the filter straw, while the blue bag is in an individual package.
💧 【Premium materials】: Effectively Reduces 99% of harmful substances. The adoption of high-grade coconut shell activated carbon fiber improves odor and taste, ensures the water safety and delivers better drinking experience.
💧 【Versatile uses】: Use with water bags or connect to water bottles to filtrate water for drinking. Both ends of it can be disassembled and connected with water bags and water bottles to offer you clean drinking water anywhere, anytime.
💧 【Outdoor water needs】: Fulfill all your outdoor water demands: hiking, camping, domestic and international travel, emergency preparedness (tornadoes, rainstorms, earthquakes, floods, etc.) to meet the emergency water demand in a variety of situations.Each straw only weights 80g, and each bag only weights 130g.
💧 【Innovative super-wash design】: No need for the extra syringe to backwash. It eliminates cumbersome fittings and saves space, brings you pure water with the greatest convenience and comfort.
💧 【Smaller frame】: Smaller frame but bigger capacity, Waterdrop Filterstraw can provide safe drinking water up to 1,400 gallons (5300 liters)/one straw. It is easy to absorb water and can quench your thirst instantly. Match with water bags or bottles for the ultimate drinking experience.

Philips Water Instant Water Filter - 3L Capacity, 1L/min Fast Flow, USB-C Rechargable

15% OffFree Shipping

Why We Love It

Quick, efficient water filtration.
Smart filter replacement indicator.
Environment-friendly, reduces plastic waste.

Main Highlights

FILTERED WATER IN NO TIME: Thanks to the instant filtration technology, it achieves up to 1Lmin fast flow, which is 4X faster than a conventional water filter pitcher (compared to Philips AWP2900), while maintaining the same filtration performance. No more waiting. Just a simple touch, every drop of water is fresh filtered water
3-STAGED INSTANT FILTER: Powered by the innovative activated carbon fiber with more efficient absorption, it effectively reduces chlorine, lead, pesticides, microplastics and other particulates instantly while maintaining the faster flow
USAGE-BASED FILTER LIFETIME INDICATOR: It reminds you to replace the filter based on the actual filtration volume or usage period whichever comes first. Optimal performance, less guessing
NO INSTALLATION: With the built-in battery, you can set it up anywhere - on the countertop, or in the fridge door
GOOD FOR THE ENVIRONMENT: Delicious water at a fraction of the cost of bottled water. One Micro X-Clean Instant filter (compared to 330ml bottled water. Each filter lasts up to 100 liters) saves more than 300 single-use plastic bottles
Power source type: battery powered

BRITA Marella Water Filter Jug Graphite (2.4L) Starter Pack incl. 3x MAXTRA PRO Pure Performance cartridge - fridge-fitting jug with digital LTI and Flip-Lid - now in sustainable Smart Box packaging

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Why We Love It

Innovative BRITA filtration technology.
Eco-friendly, reduces plastic waste.
German quality and design.

Main Highlights

All-Rounder with the innovative BRITA filtration technology: 150 litres of filtered water with just one cartridge, fitting in standard fridge doors.
Features a spout cover, one-hand filling with the flip-lid, BRITA Memo measures time to remind on filter exchange. BPA-free and dishwasher-safe (except digital indicator)
MAXTRA PRO 4-stage filtration with natural activated carbon and ion-exchanger pearls: pure and fresh water, full aroma in your coffee and tea and reliable limescale protection.
Filters trace impurities, reduces taste-impairing substances such as chlorine, limescale and metals like lead and copper.
Improved filter performance: BRITA's new innovative micro-mesh reduces microparticles ≥ 30 μm. 4x better than our previous BRITA MAXTRA+ filter cartridge
Full capacity of 2.4L for 1.4L fresh filtered water (Cool version only). Need for even more fresh filtered water? Check out BRITA Marella XL, BRITA Style XL and BRITA Flow.
Included: 1x BRITA Marella water filter jug in Graphite, 3x MAXTRA PRO Pure Performance filter cartridges which each last 150L and are recyclable.

8.8

Excellent

We scanned 1129 products

We reviewed these offers relevant to the Water Purifier within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Waterdrop, Aqua Optima, CO-Z, Bonnlo, BRITA, PHILIPS, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Water Purifier in the market, we considered we took a deep dive into 5646 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Waterdrop 10UA Under Sink Water Filter, 30,000 Liters High Capacity Water Filter System, NSF/ANSI 42 Certified,Reduce PFAS, PFOA/PFOS, Reduce Lead, Chlorine, Bad Taste, Odor. We love many things about this product by Waterdrop. What sets it apart from the competition is Long-lasting filtration with large capacity. , Multi-stage, broad spectrum filtration, Simple installation and fast flow.
The best value product for most shoppers and where user satisfaction is continuously the highest is Waterdrop Mega Instant Electric Water Filter Jug with 3 Months Filter, 6L Countertop Water Filter System, Reduces Chlorine, Lead, Mercury, Reduce PFAS, PFOA/PFOS, 757 Litres, Blue (1 Filter Included) by Waterdrop based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Water Purifier and the best cost-to-value ratio is BRITA Flow XXL Water Filter Tank (8.2L) incl. 1x MAXTRA PRO Pure Performance cartridge - fridge-fitting dispenser for families and offices - now in sustainable Smart Box packagingat BRITA with a 40% discount.
Our list of the best Water Purifier is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Water Purifier in The UK

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We scanned 1129 products

We concluded that: