Best water filter 2021

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The 10 best water filters to buy in the UK

The top 10 list of the best water filters lists various brands and prices

Review10Best compares the best water filters in the UK and selects the one by BRITA as the best water filter. In a water filter buying guide, you can read more about the features of the different water filters and see a recommendation on which water filter to buy in the UK in 2021. By considering the top list of water filters, you can find the best water filters and save time shopping online.


Table of contents

  1. Read the ultimate water filter buying guide
  2. View the water filter picks and see how they rank in the top list
  3. See other reviews related to water filters

SEE THE TOP 10 LIST →
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Best water filters: A complete buying guide

All you need to know before buying a great water filter

Picture of a water filter

Finding the best water filter for your home can feel overwhelming. With a range of different filters to choose from, it can be difficult to understand which type is best suited to your needs. So, taking the time to research your options should make it easier to find the best water filters for your home.

What are water filters?

A water filter is used to remove potential impurities and contaminants from your home’s water supply. They come in many forms, such as purifications devices that are attached to taps or the water unit, with different devices designed for different purposes. For instance, good water filters can be used to remove a variety of impurities, including chlorine, sediment, lead, and bacteria.

Why should you buy a good water filter?

While most home water supplies are safe to drink, there are chances that they contain certain chemicals, minerals, impurities, and possibly even dirt. Not only can this impact the taste the water, but increase the likelihood of bacteria that may lead to illness, while certain chemicals could also cause harm. A great water filter can provide you with clean, fresh drinking water free from impurities. It will taste much better than unfiltered water and is perfect for bottling drinking water.

Another picture of a water filter
How to choose the right water filter?

Finding the best water filter for your needs should be easy enough – providing you know what you need! You may not be aware of any contaminations in your water supply and simply want to avoid any problems down the line or perhaps there’s an ongoing issue with your water that needs to be addressed.

Be sure to consider some of the following to ensure you get the right water filter for your home:

  • Water Quality: Knowing the current quality of your drinking water will make it easier to find the most suitable water filtration system. For instance, if your water has a bad taste, then a carbon water filter could be the best option, whereas water containing chemicals both organic and inorganic may require a reverse osmosis (RO) water filter.
  • Ease of Use: Certain water filters will be easier to install and use than others. For example, faucet water filters attach to the faucet so don’t require much to install, while RO filters usually have to be fitted to plumping beneath a sink so will be much more difficult to set up.
  • Water Pressure: It’s important to know if your water pressure is suitable enough for a water filter, as some do not work optimally without the required water pressure. For instance, RO filters need enough pressure from the water flow to work their best. Should your water supply have low pressure, then a carbon water filter will be the best choice.
What is the best kind of water filter in the UK?

There are various types of water filter devices available. They can vary in size and function, so it’s important to know which type of water filter is best for your home:

  • Reverse Osmosis (RO) Water Filter: The best water filter for removing large quantities of contaminants, and RO filter is typically attached to the pumping beneath the sink, where it works to produce pure water by filtering contaminated water through a semi-porous film. A high-quality water filter system, it will cost more than most other types but works best to remove most contaminants, especially chemicals.
  • Carbon Water Filter: A great water filter for removing the bad taste and odor from water, carbon water filters are also effective for removing certain impurities and contaminants such as chlorine, pesticides, and several chemicals. Some can remove lead too depending on the manufacturer, but carbon water filters won’t remove salts, nitrates, and certain types of metal.
  • Ultraviolet Water Filter: Works by using an ultraviolet light to remove bacteria, this is a great water filter for removing any germs and bacteria build-ups in the water supply. It’s also good for removing the bad taste from water, but will not be useful for removing chemicals.
…are you ready for the best picks of 2021?

Top 10 list of water filters in the UK (November 2021)

The bestseller list compares brands and their water filters. Which water filter is the best?
Ad We earn commissions from purchases made using links in this list » more information
Best choice* TOP 1
Image of BRITA S0761 water filter
BRITA Marella Fridge water filter jug for reduction of chlorine, limescale and impurities, White, Includes 6 x MAXTRA+ filter cartridges, 2.4L*
  • Includes 6 x MAXTRA+ filter cartridges for (24 weeks' supply) and are recyclable
  • Ion Exchange Pearls permanently absorb metals and reduce limescale protecting appliances…
  • Micro Carbon Pearls reduce chlorine and organic impurities improving taste and odour…
BUY NOW*
TOP 2
Image of BRITA 1044623 water filter
BRITA Marella fridge water filter jug for reduction of chlorine, limescale and impurities, Includes 6 x MAXTRA+ filter cartridges, 2.4L -graphite*
  • Micro Carbon Pearls reduce chlorine and organic impurities, improving taste and odour…
  • Features flip lid for easy filling and electronic 'memo' cartridge replacement r…
  • Fresh tasting water without plastic bottle waste for just a few pence per litre
BUY NOW*
Offer* TOP 3
Image of BRITA 1030084 water filter
BRITA Marella fridge water filter jug for reduction of chlorine, limescale and impurities, Includes 3 x MAXTRA+ filter cartridges, 2.4L -graphite*
  • Includes 3 x MAXTRA+ filter cartridges which each last 4 weeks and are recyclabl…
  • Ion Exchange Pearls permanently absorb metals and reduce limescale protecting appliances…
  • Micro Carbon Pearls reduce chlorine and organic impurities improving taste and odour…
BUY NOW*
TOP 4
Image of BRITA S1326 water filter
BRITA MAXTRA + Replacement Water Filter Cartridges , Compatible with all BRITA Jugs - Reduce Chlorine , Limescale and Impurities for Great Taste - Pack of 6*
  • Packaging may vary
  • MAXTRA+ filter cartridges last approximately 4 weeks and are recyclable
  • Fresh great tasting water, without the waste of bottled water for just a few pence…
BUY NOW*
TOP 5
Image of Waterdrop WD-07-6 water filter
Waterdrop TÜV SÜD, NSF Certified Water Filter Cartridges, Compatible with Brita Maxtra+ Jug, Brita Kettle Universal Filter Cartridge (NOT for Waterdrop's Jugs) (6)*
  • Customer Service: For detailed instruction, please kindly refer to the Instruction…
  • Replacement Model: Compatible with Brita Maxtra+, fits Brita jugs, Marella, Marella…
  • 1 Months' Refreshment: For best results and continuous refreshment, it’s recommended…
BUY NOW*
TOP 6
Image of Aqua Optima PJ0633 water filter
Aqua Optima PJ0633 Fridge Water Filter Jug for Reduction of microplastics, Chlorine, limescale and impurities, White, 2.5 L*
  • Everything you need - Includes (1x) Evolve + Filter Cartridges which last up to 30…
  • Powered by Evolve+ - Our patented 5-step filtration technology efficiently filters…
  • Make an impact – Liscia and Evolve+ filters are 100% Recyclable and each filter…
BUY NOW*
TOP 7
Image of BRITA 1022214 water filter
BRITA MAXTRA+ Water Filter Cartridges - Pack of 6 (EU Version)*
  • EU version
  • 100% recyclable and convenient ring pull handle for easy exchange
  • Cartridge replacement: 4 weeks/100 L using hard water
BUY NOW*
TOP 8
Image of BRITA 1035419 water filter
BRITA Flow XXL fridge water filter tank for reduction of chlorine, limescale and impurities, 8.2L -White/Teal*
  • Box contents: 1 x Brita water filter station flow including 1 Maxtra+ filter cartridge…
  • Comfortable tap for easy pouring of filtered water directly in the fridge or on the…
  • Thanks to its extra-large filling volume, the Brita Flow is ideal for families or…
BUY NOW*
TOP 9
Image of FilterLogic FL402-6 water filter
FilterLogic Universal 6 Pack Filter Cartridges Compatible with Brita Maxtra & Plus+ Water Jugs, White, fits -Marella-Elemaris-Bosch Tassimo & Kettles*
  • Certified by TUV to European/German Standards
  • Carbon stage to remove chlorine improving taste and odour
  • ONLY compatible filter which fits Maxtra, Maxtra+ and Maxtra PerfectFit
BUY NOW*
TOP 10
Image of Philips Water AWP2938WHT water filter
Philips AWP2936WH/10 Micro X-Clean Fast Flow Water Filter Jug, 3.6 litres*
  • FITS THE FRIDGE DOOR - water filter jug easily fits into the fridge door or on the…
  • DIGITAL TIMER reminds you when to replace the filter for the best result; the DUST-PROOF…
  • GOOD FOR THE ENVIRONMENT - great-tasting water at a fraction of the cost and waste…
BUY NOW*
Affiliate Disclosure

* We participate in the Amazon Associates Program. As an Amazon Associate we earn from qualifying purchases. For the list of the best water filters, we consider only products that are available on Amazon while the ranking is based on factors such as customer reviews, number of sales and keyword. It is not a water filter test. Last Update: 2021/11/27.