Best Water Softener UK 2020 – Buyer Guide & Review

Last updated on October 1st, 2020 at 06:24 pm

First of all, the hard water problem is extremely common these days. Even if you are living in UK then still you need to buy the best water softener UK. Although it does not matter where you are living, there is always a specific amount of hardness in your daily use of water. However, most of the people are not able to feel the hardness.

Do you feel that your water is hard?

If yes!

Then we might have some perfect solution to your problem.

Not to mention that some areas of UK have a large quantity of hardness in it. While on the other hand, some areas have a low amount of hardness.

So, how will you find that which water softener is best for you? Well, we will discuss it in detail during the buyer’s guide.

But first, what causes hardness in water?

However, the presence of hardness in water is because of the calcium and magnesium particles present in it.

In addition, the hard water affects many of your daily household products which include showers, fixtures, dishes, laundry any many more. Moreover, it is not only bad for your appliances but also, it makes your skin dry and hair oily. Important to realize that, the soaps and detergents will not perform as they were supposed to perform if they are being used in hard water.


List of Best Water Softener UK:

Water SoftenersRatingsCheck Price
BWT WS455 Electronic Water Softener⭐⭐⭐⭐⭐
Water2Buy W2B200 Water Softener⭐⭐⭐⭐⭐
Water2Buy W2B110 Water Softener⭐⭐⭐⭐
iSpring Under-Sink Reverse Osmosis⭐⭐⭐⭐⭐
AquaHouse NSWS Water Softener System
Eddy Electronic Water Descaler⭐⭐⭐⭐
Under Sink Drinking Water Filter System⭐⭐⭐⭐


1: BWT WS455 Hi Flow Electronic Demand Water Softener

In the first place, if you are looking for a water softener that provides you soft water anytime you want, then BWT is a very good option for you. However, it is a whole house water softener specially designed and manufactured for UK.

Top feature:

  1. 5-years parts warranty.
  2. Good for skin and hair.
  3. Low voltage water softener.
  4. Compact.

  • Whole house water softener.
  • Light weight.
  • Easy maintenance.
  • —–

Important to realize that, it is a family-sized water softener. Although it also can be easily fixed in a cupboard of your kitchen and is very lightweight that it only weighs 22.5 Kg.

Another key point is that it provides you a high flow rate along with a capacity of 10-liter water. On the positive side, it provides you a warranty up to 5 years of parts as well as 3-years of labor service.

BWT is a luxury water softener that removes all types of hardness from water hence making it extremely soft. However, the regenerated water is very healthy for the skin and hairs and helps you in the laundry as well as doing dishes. Not to mention that these features make the BWT the best water softener UK.

Furthermore, it uses very low voltage and requires you to plug it in a socket anywhere. However, it is very easy to install and will require no specific plumbing skills.

Technical features:

Model numberWS455
Weight22.5 KG
Warranty5-years parts warranty
Dimensions48 x 27 x 53.2 cm



2: Water2Buy W2B200 Water Softener

Water2Buy W2B200 is a family water softener for 1-4 members. Nonetheless, it can generate 1250 liters of soft water on a daily basis which is more than enough for a family. Another key point is that it is not only effective in city water but also works great for the well water.

Top feature:

  1. 7 years warranty.
  2. Low power consumption.
  3. Bypass valve.
  4. Compact.

  • Good for well water.
  • Whole House system.
  • 1-4 family members.
  • —–

However, as we know that the well water contains more hardness as compared to the city water. in addition, there is a certain amount of iron in it that can cause rust in the household appliances.

Not to mention, that it is very compact and can be easily installed in small spaces such as in the garage, basement, or in the kitchen. Moreover, being compact it is also lightweight with 18.3 kg. Additionally, you can install it in the main supply line and can have soft and clean water anywhere in your house.

In the end, it has a warranty of 30 days money back in addition to the 7 years parts warranty. Furthermore, it uses a low power supply that barely costs you anything, and also it has a bypass valve that allows you to control the water flow.

Technical features:

Model numberW2B200
Weight18.3 Kg
Warranty7 years warranty
Dimensions52.5 x 22 x 65 cm



3: Water2Buy W2B110 Water Softener

In the first place, it is a whole house water softener especially designed for water that is running in UK supply. However, it also works with the well water and is able to remove iron from it. In addition, this water softener is attached to the mainline and is capable of providing water for the whole house.

Top feature:

  1. Good for skin and hair.
  2. Compact.
  3. Economical.
  4. Good flow rate.


  • Iron removal.
  • Ideal for the whole house.
  • Bypass valve.
  • Suitable for well water.
  • Not easy to install.

Not to mention that the ability to work with the well water is quite impressive in this water softener. Moreover, the regenerated water from this water softener is very soft and free from any type of hardness in it.

Another key point, that the soft water coming from it is good for skin and hair. On the other hand, you can use it for drinking and cooking purposes.

Important to realize that, it is compact and lightweight so it can be placed anywhere in the house as you want. Furthermore, knowing these features and looking at the price it is coming, we can say that it is the best water softener UK.

Technical features:

Model numberW2B110
Weight17.7 KG
Warranty7 years warranty
Dimensions42.5 x 22 x 65 cm



4: iSpring 6-Stage Under-Sink Reverse Osmosis

First of all, ISpring is a water filter that uses reverse osmosis (RO) method to purify the water. However, the RO method is the best alternative for water softeners. In addition, it is a salt-free system that is quite capable of removing hardness and filtering it from contamination especially in UK. Hence, it is known as domestic water softener UK.

Top feature:

  1. Reverse Osmosis.
  2. Maintain the Ph level.
  3. Easy DIY installation.
  4. Customer satisfaction.

iSpring RCC7AK 6-Stage Superb Taste High Capacity

  • Chlorine removal.
  • Lead and mercury reduction.
  • Under-sink water filter.
  • Easy maintenance.
  • DIY skills required.

However, for those consumers who do not like the regenerated water from a salt-based water softener because of the salty taste in it. Ispring is the best water softener system especially if you are living in UK. 

Not to mention, that it removes 99 % of chlorine from water and make it lighter as well as tastier as never before. Basically, it increases the PH level of water and makes it suitable for drinking purposes. According to Wikipedia:

In chemistrypH (/piːˈeɪtʃ/) (abbr. power of hydrogen[1] or potential for hydrogen[2]) is a scale used to specify how acidic or basic (or alkaline) a water-based solution is. Acidic solutions have a lower pH, while basic solutions have a higher pH.

On the positive side, it contains three filters in it which can be easily replaced.

Technical features:

Model numberIP-48k-56SXT
Weight120 pounds
Dimensions54 x 10 x 10 inches



5: AquaHouse NSWS Water Softener System

It is an average house water softener that removes the limescale from the water additionally it is a salt-free water softener. Similarly, as compared to other salt-free systems it also preserves the Ph level of water. For water like UK it removes the limescale from it and is very cheap as well as easy to maintain which is why it is the best water softener UK 2020.

Top feature:

  1. High flow rate.
  2. Wall-mounted.
  3. 3-year parts warranty.
  4. Salt-free.

  • Reverse osmosis.
  • Limescale remover.
  • Reliable.
  • Plumbing skills required.

Not to mention that being cheap it also has a very high flow rate and can easily fulfill the requirements of a small house. In addition, it provides you a service of 3 years parts replacement. However, it can provide a flow rate of 8 liters per minute and as for peak time, it can give up to 20 gallons per minute.

Moreover, it is a wall-mounted water softener that can be applied to the main supply line. Also, it has a ¾ inches threaded fitting and it is suggested that you install it from a plumber because it requires some certain plumbing skills.

Technical features:

Weight5.7 KG
Warranty3-year parts warranty
Dimensions34 x 24 x 21 cm



6: Eddy Electronic Water Descaler

Eddy is a tankless water descaler, which means that like other salt-free softeners it also helps the water to maintain the PH level. Although, it is also a water softener which means that it removes calcium and magnesium particles from water.

Top feature:

  1. Economical.
  2. Lifetime repair support.
  3. Electric.
  4. Easy to install.


  • Reliable.
  • Environment friendly.
  • Salt-free.
  • Lifetime repair support.
  • No iron removal.

Important to realize that, it is an electric water softener that uses the electro-magnetic process to remove hardness from water. Not to mention that it contains coils that surround the pipe from which the water travels. From these coils, the limescale particles got attracted by the electro-magnetic charge hence got removed from the water.

On the positive side, it is reliable and will not need any kind of maintenance. However, it has a lifetime repair support in addition to the 12-month money-back warranty. Also, it will not affect the water flow rate. It is also easy to install but will require some basic plumbing skills. Hence, making it the water softener best UK.

Furthermore, it is very compact and can be easily installed anywhere in the house.

Technical features:

Model numberED6002P-UK
Weight780 g
WarrantyLifetime service
Dimensions17 x 3.5 x 9 cm



7: Under Sink Drinking Water Filter System

In the first place, if you do not have a suitable space for installing a water softener or if you want specifically to install it under the sink. So, in that case, it is suitable for you as it is compact and will provide you a good flow rate of 7 liters per minute.

Top feature:

  1. Water filter + softener.
  2. Easy maintenance.
  3. Tap and fittings included.
  4. Easy to install.

  • Under-sink.
  • Chlorine removal.
  • KDF filtration.
  • 20,000 gallons.
  • —-

In addition, it removes a high level of chlorine particles from water while improving the odor and taste of water. Moreover, it also removes hardness from water using the KDF filtration system.

On the positive side, this water softener works for 3-year or 20,000 gallons without any maintenance. After that, you need to replace the filter and again you are good for another 3 years.

Also, in the package, it comes with a drinking water tap, a water filter cartridge along with all the necessary fittings.

Technical features:

Model numberAWFM3YRCS



Best Water Softener UK Comparison chart

Water SoftenersModelWeightWarrantyDimensions
BWT WS455 Hi Flow Electronic Demand Water SoftenerWS45522.5 KG5-years parts warranty48 x 27 x 53.2 cm
Water2Buy W2B200 Water SoftenerW2B20018.3 Kg7 years warranty52.5 x 22 x 65 cm
Water2Buy W2B110 Water SoftenerW2B11017.7 KG7-years warranty42.5 x 22 x 65 cm
iSpring 6-Stage Under-Sink Reverse OsmosisIP-48k-56SXT120 pounds----54 x 10 x 10 inches
AquaHouse NSWS Water Softener SystemWFMHHWFSFAMA5.7 KG3-year parts warranty34 x 24 x 21 cm
Eddy Electronic Water DescalerED6002P-UK780 gLife time service17 x 3.5 x 9 cm
Under Sink Drinking Water Filter SystemAWFM3YRCS------------

Best Water Softener UK Buyer’s guide

What is a water softener?

First, we need to study what is a water softener and how it removes the hardness.

However, at this point, we all get to know that there are certain levels of hardness and for specific hardness, you have to use a specific water softener.


How do you know that, which water softener is best UK?

Not to mention that for this purpose, we have made a list that will help you to select the water softener best UK. 

But before that let’s learn the types of water softener in short.

Types of water softener

Important to realize that, there are majorly three types of water softeners.

  1. Salt-based.
  2. Salt-free.
  3. Electric.


Important to realize that, in a salt-based water softener, the system uses salt to remove the limescale particles from water. Not to mention that some of these systems are also capable of remove iron as well.

In general, these water softeners use an ion exchange method to remove calcium and magnesium particles from water. However, in this process, the sodium ions present in the salt attracts the calcium and magnesium ions. Hence removing them from water.


The first thing to remember that, these systems are generally water filters. Basically, they increase the Ph level of water and removes contamination from water such as chlorine, lead, etc.

In general, they use filter cartridges that help the filter to remove the contamination as well as increase the PH level of water.

In addition, there are some salt-free products discussed in best water softener salt free.


Furthermore, they are a water descaler that uses the electro-magnetic method to remove hardness from water. Although, they use electricity the regenerated water will only remain soft till a specific distance.

Moreover, after that specific distance, the water starts getting hard again. On the positive side, it is very cheap and reliable as well as effective on hard water.

Things to remember before buying a water softener UK

However, now coming to the main point, what things you should consider before buying the best water softener UK.

Type of softener:

First of all, you should know what kind of water softener you need that fulfills your requirements. Not to mention that the types of water softeners are discussed above.

However, before choosing the type of water softener, you should know what kind of water you are receiving from the supply line. If you have water that includes iron in it, then you should be buying a water softener that helps you remove the iron from water.

On the other hand, if you don’t want to replace the salt in a salt-based water softener on a daily basis, then you should go either with salt-free or electric water softener.


Secondly, you need to know the features a water softener is providing you. Not to mention that there are different kinds of water softeners in the market.

Some provide you efficient salt consumption, while some have the ability to remove iron from water. However, there are also portable water softeners which you can easily carry and install anywhere you want.

If you want to read about different kinds of water softeners then visit: Best water softener


In the end, you surely need to know how many people will be using the water softener. Because you don’t want to spend money on a water softener that is not able to afford the burden of your household usage.

Frequently asked questions

Are water softeners worth it UK?

Keeping in mind the quality of water that is coming from the supply line, and knowing what can it do to your health if you don’t use a water softener. You can say that the water softener UK is worth it.

Moreover, if you are using well water in the UK, then it is very important for you to install a water softener. The main reason for this is the presence of iron in water as well as a high level of limescale in it. Not to mention that it can only be removed by the best water softener in the UK.

What size water softener do I need UK?

However, the size of the water softener totally depends on some factors given below:

    1. The number of members using water.
    2. Level of hardness in water.

First of all, before buying a water softener you should know the number of people living with you. clearly the more the people using water the bigger the water softener you will be needing.

In general, an average person uses up-to 80 to 100 liters per day while living indoor. So, now you can easily decide the size knowing the number of people. Secondly, the quality of water you are receiving from the water supply is also a major factor affecting the size of the water softener.

Similarly, the harder water the bigger the water softener will be suitable.

What size water softener do I need for a family of 4?

As discussed earlier, an average person uses 80 – 100-liter water per day. So, if you have a family of 4 people then you need to install a water softener that regenerated at least 1500 litters so that it could be enough for 3 to 4 days.

Why does soft water feel slimy?

In the first place, as we know that the water softener removes all the limescale. Hence, the water feels light and soft as well as without any contamination present in it. So, due to this when you take a bath or use the regenerated water it feels very light as well as makes your body hydrated. This is why the water feels slimy.


In the final verdict, we have discussed every technicality that is required to make the purchase for the best water softener UK. However, at this point you the important features that are required to buy a softener. Moreover, you know about the weight, warranty, dimensions as well as the working of different water softeners.

So, we hope now you are able to make the decision and fulfill your daily household use. Important to remember that, you need to first find out the requirements of your family members given the capacity and the flow rate you need.

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