10 Best Water Softeners in The UK

Last updated on 20/06/2025
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Best Choice
1
9.8
Exceptional
Waterdrop X8 Reverse Osmosis System, Water Softener, NSF/ANSI 58&372 Certified, 800 GPD Tankless Reverse Osmosis Water Filter, 9-Stage Undersink RO Water Filtration System, 2:1 Pure to Drain
Waterdrop
Waterdrop X8 Reverse Osmosis System, Water Softener, NSF/ANSI 58&372 Certified, 800 GPD Tankless Reverse Osmosis Water Filter, 9-Stage Undersink RO Water Filtration System, 2:1 Pure to Drain
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Why We Love It
  • Certified for total water safety.
  • Compact, space-saving tankless design.
  • Real-time TDS water monitoring.
Main Highlights
  • ๐“๐ซ๐ฎ๐ฌ๐ญ๐ž๐ ๐—–๐ž๐ซ๐ญ๐ข๐Ÿ๐ข๐œ๐š๐ญ๐ข๐จ๐ง๐ฌ: Waterdrop X8 reverse osmosis system is certified against NSF/ANSI 58 for TDS reduction and NSF/ANSI 372 certified for lead-free material to ensure your water safety and quality.
  • ๐—”๐—ฑ๐˜ƒ๐—ฎ๐—ป๐—ฐ๐—ฒ๐—ฑ ๐—ฅ๐—ข ๐—™๐—ถ๐—น๐˜๐—ฟ๐—ฎ๐˜๐—ถ๐—ผ๐—ป: This undersink reverse osmosis water filter effectively reduces Chloride, Lead, TDS, Fluoride, PFOA, PFOS, Sand, Odor, Taste, Salt, and more. It boasts a 9-stage filtration including 0.0001ฮผm RO membrane to guarantee water safety and quality.
  • ๐—ง๐—ฎ๐—ป๐—ธ๐—น๐—ฒ๐˜€๐˜€ ๐—˜๐—ฎ๐˜€๐—ฒ: This reverse osmosis water system has a compact and stylish look. Compared with the traditional tank RO system, it saves 70% undersink space. You can effortlessly replace the filters in 3s without moving the system or using any tools. Note: This reverse osmosis system requires under-sink electricity.
  • ๐—˜๐—ณ๐—ณ๐—ถ๐—ฐ๐—ถ๐—ฒ๐—ป๐˜ ๐—™๐—ถ๐—น๐˜๐—ฟ๐—ฎ๐˜๐—ถ๐—ผ๐—ป: The reverse osmosis water filter can filter 800 gallons of pure water per day. By its 2:1 low drain ratio, this system can produce only one cup of wastewater for every two cups of pure water, which is ideal for daily drinking and cooking.
  • ๐—œ๐—ป๐˜๐—ฒ๐—น๐—น๐—ถ๐—ด๐—ฒ๐—ป๐˜ ๐—ฎ๐—ป๐—ฑ ๐—ฃ๐—ฟ๐—ฒ๐—ฐ๐—ถ๐˜€๐—ถ๐—ผ๐—ป: This tankless RO system boasts a smart faucet to track water quality with real-time TDS monitoring. And its filter life reminder function can help you replace filters in time to ensure your drinking water quality. The 24-month RO filter lifespan saves you the hassle and cost of frequent replacement.
9.8
Exceptional
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Best Value
2
9.7
Exceptional
Waterdrop G3P600 Reverse Osmosis Water Filter, 600 GPD, Water Softener, Reduce TDS, Reduce Scale, Enhance the Flavor of Coffee and Tea, 2:1 Pure to Drain, Smart LED Faucet
Waterdrop
Waterdrop G3P600 Reverse Osmosis Water Filter, 600 GPD, Water Softener, Reduce TDS, Reduce Scale, Enhance the Flavor of Coffee and Tea, 2:1 Pure to Drain, Smart LED Faucet
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Why We Love It
  • Certified for safety and efficiency.
  • High capacity with low waste.
  • Smart faucet displays water quality.
Main Highlights
  • NSF/ANSI 42& 58 & 372 Certified, 600 GPD, 8-stage Filtration, Smart LED Faucet, Water Softener, Reduce TDS, Reduce Scale, Enhance the Flavor of Coffee and Tea
  • [๐“๐ซ๐ฎ๐ฌ๐ญ๐ž๐ ๐œ๐ž๐ซ๐ญ๐ข๐Ÿ๐ข๐œ๐š๐ญ๐ข๐จ๐ง๐ฌ] Waterdrop G3P600 reverse osmosis water filter system is certified against NSF/ANSI 58 for TDS reduction and NSF/ANSI 372 certified for lead-free material. Also it has been tested and certified against NSF 42 to reduce chlorine, bad taste and odor. The tankless reverse osmosis system is also certified by the Federal Communications Commission. Besides, it meets the EU Standards and UKCA Standards for safety.
  • [๐Ÿ”๐ŸŽ๐ŸŽ๐†๐๐ƒ ๐ก๐ข๐ ๐ก ๐œ๐š๐ฉ๐š๐œ๐ข๐ญ๐ฒ, ๐Ÿ:๐Ÿ ๐ฅ๐จ๐ฐ ๐๐ซ๐š๐ข๐ง ๐ซ๐š๐ญ๐ข๐จ] As an upgraded reverse osmosis system, the G3P600 reverse osmosis water filter system produces 600 gallons of filtered water per day. By its low drain ratio, this system can produce only one cup of waste water for every two cups of pure water produced. Furthermore, with a fast and stable water flow rate, this RO system fills a 8 oz cup of water in 8 seconds, which is ideal for drinking and washing vegetables.
  • [๐Ÿ–-๐ฌ๐ญ๐š๐ ๐ž ๐…๐ข๐ฅ๐ญ๐ซ๐š๐ญ๐ข๐จ๐ง] Tested by official third-party laboratory (SGS), the reverse osmosis system can effectively reduce TDS, chromium, PFAS, radium, fluoride, arsenic salt, iron, calcium, particles, chloride, chlorine and radioactive substances in your tap water. And our RO water filter system can reduce chemicals such as vinyl chloride, ethylhexyl acrylate, isobutylene, ethylene glycol, according to the reverse osmosis membrane technical manual.
  • [๐’๐ฆ๐š๐ซ๐ญ ๐๐ข๐ฌ๐ฉ๐ฅ๐š๐ฒ ๐Ÿ๐š๐ฎ๐œ๐ž๐ญ] The G3P600 under sink reverse osmosis is built with a smart display faucet. For instance, the TDS monitor tells you the quality of your filtered water, while the filter life tracker shows how soon you need to replace your filter. And we highly recommend using the Waterdrop authentic RO faucet as other brands may not be compatible with your system. If you have any doubts, please reach out to our customer service before buying.
  • ๐“๐š๐ง๐ค๐ฅ๐ž๐ฌ๐ฌ ๐๐ž๐ฌ๐ข๐ ๐ง: Waterdrop G3 reverse osmosis system has a stylish look. This tankless design saves 70% under sink space. You can change a filter in 3 seconds without moving the system or using any tools. Note: This reverse osmosis system requires under-sink electricity.
  • Three filters are included in the package. Search "๐–๐ƒ-๐†๐Ÿ‘๐๐Ÿ”๐ŸŽ๐ŸŽ" for replacement filters.
9.7
Exceptional
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3
9.5
Superb
Save 6%
BWT WS555 Hi Flow Luxury Water Softener (compatible with salt or tablet) 14 Litres
BWT
BWT WS555 Hi Flow Luxury Water Softener (compatible with salt or tablet) 14 Litres
6% OffFree Shipping
Why We Love It
  • Compact design fits anywhere.
  • Installation is a breeze.
  • Warranty ensures peace of mind.
Main Highlights
  • Compact design: fits in a kitchen cupboard
  • Easy to install
  • Includes installation kit
  • 5 years parts & 2 years labour at home warranty
  • All materials are BS6920 Certified
  • Free Home Commissioning
9.5
Superb
Save 6%
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4
9.5
Superb
Monarch Water Ultimate Midi HE WRAS-approved Water Softener Includes 15mm Hoses, Suitable for up to 6 people
Monarch Water
Monarch Water Ultimate Midi HE WRAS-approved Water Softener Includes 15mm Hoses, Suitable for up to 6 people
Free Shipping
Why We Love It
  • High quality, durable, and certified.
  • Provides extensive warranty for assurance.
  • Ensures limescale-free water supply.
Main Highlights
  • WRAS-approved โ€“ demonstrating quality and durability of the highest standard
  • 7-year parts and 2-year labour warranty โ€“ for complete peace of mind
  • Removes existing limescale and prevents any new scale forming
  • Protects your appliances. Kinder to your skin and hair
  • Sustainable, efficient and saves you money
  • Includes Rapid-Fit bypass which reduces the components needed for installation by up to 80%
  • Flow rates up to 78 lpm
  • Built in customer protect programme (CPP)
  • Daily capacity of 2,280 litres (at 300ppm)
  • Complete with full installation kit (suitable for 15mm supplies) and water hardness test kit
9.5
Superb
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5
9.5
Superb
BWT WS355 Standard Electronic Water Softener, Blue, 14 Litre
BWT
BWT WS355 Standard Electronic Water Softener, Blue, 14 Litre
Free Shipping
Why We Love It
  • Fits in any kitchen cupboard.
  • Simple and trouble-free installation.
  • Certified for secure usage.
Main Highlights
  • Family sized water softener
  • Fits in a kitchen cupboard
  • Easy to install, set up and use
  • Includes installation kit
  • Free Home Commissioning
  • 5 years parts and 2 years labour at home warranty
  • All materials are BS6920 Certified
  • Tablet salt
9.5
Superb
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6
9.4
Superb
iSpring WCS15KG Water Softener, Hi Flow Electronic Demand/15,000 Grain/100% Limescale Removed with Backwash Feature for Households, Up to 6 People, 9 Litre
iSpring
iSpring WCS15KG Water Softener, Hi Flow Electronic Demand/15,000 Grain/100% Limescale Removed with Backwash Feature for Households, Up to 6 People, 9 Litre
Free Shipping
Why We Love It
  • Improves water quality for all.
  • Prevents expensive repairs and scaling.
  • Saves space, salt, and water.
Main Highlights
  • Enjoy Quality Softened Water from Every Faucet! iSpring WCS15KG whole house water softener system has a high capacity for treating hardness. It removes calcium and magnesium from your water at the point of entry, providing you with quality soft water for cooking, bathing and laundry. This water softener can be installed in businesses, institutions, hospitals, schools and other enterprises.
  • Protect Your Household Appliances and Plumbing from Scale and Expensive Repairs: The WCS15KG whole house water softener descales your entire water system and prevents scale buildup in water heater and pipes.
  • Saves You Salt, Water, and Space: WCS15KG whole house compact water softener system can calculate and design an economical and effective soft water treatment plan based on the water source and the treated water volume. You can also adjust the hardness of filtered water with this water softener system based on your preference or requirements. The one-tank compact design of this water softener saves you space.
  • Built to Last: The WCS15KG whole house water softenerโ€™s automatic backwash and media regeneration feature helps to extend the lifespan of resin and improve the systemโ€™s performance without the hassle of manual cleaning. It is equipped with pre-filled, quality ion exchange resin, corrosion-resistant and rust-free fiberglass tank, durable automatic control valve, and 3/4โ€ณ BSP inlet/outlet connector.
9.4
Superb
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7
9.4
Superb
Save 4%
BWT WS455 Hi Flow Electronic Demand Block/Tablet Water Softener, Blue, 10 Litre
BWT
BWT WS455 Hi Flow Electronic Demand Block/Tablet Water Softener, Blue, 10 Litre
4% Off
Why We Love It
  • Perfect for large family needs.
  • Convenient, space-saving installation.
  • Ensures simple setup and usage.
Main Highlights
  • Family sized water softener
  • Fits in a kitchen cupboard
  • Low voltage transformer can simply be plugged into a close by electrical socket
  • Easy to install, Includes installation kit
  • Easy to set up and use
  • 5 years parts and 2 years labour at home warranty
  • Free Home Commissioning
  • All materials are BS6920 Certified
9.4
Superb
Save 4%
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8
9.2
Superb
Monarch Water Ultimate Midi HE WRAS-Approved Water Softener for 15mm Supplies, Suitable for 1-6 People and Includes 10kg Monarch Tablet Salt
Monarch Water
Monarch Water Ultimate Midi HE WRAS-Approved Water Softener for 15mm Supplies, Suitable for 1-6 People and Includes 10kg Monarch Tablet Salt
Why We Love It
  • Quality and durability ensured.
  • Protection for skin and hair.
  • Saves money, sustainable solution.
Main Highlights
  • WRAS-approved โ€“ demonstrating quality and durability of the highest standard
  • 7-year parts and 2-year labour warranty โ€“ for complete peace of mind
  • Removes existing limescale and prevents any new scale forming
  • Protects your appliances. Kinder to your skin and hair
  • Sustainable, efficient and saves you money
  • Includes Rapid-Fit bypass which reduces the components needed for installation by up to 80%
  • Flow rates up to 78 lpm
  • Built in customer protect programme (CPP)
  • Daily capacity of 2,280 litres (at 300ppm)
  • Complete with full installation kit (suitable for 15mm supplies) and water hardness test kit
9.2
Superb
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9
9.0
Superb
Tapworks NSC11PRO Water Softener Easyflow Metered - Full Installation Kit +Hoses
Tapworks
Tapworks NSC11PRO Water Softener Easyflow Metered - Full Installation Kit +Hoses
Why We Love It
  • Full installation kit included.
  • Metered for easyflow.
  • Elegant grey and white.
Main Highlights
  • Tapworks NSC11PRO Water Softener Easyflow Metered - Full Installation Kit +Hoses
  • Product type: WATER PURIFICATION UNIT
  • Brand: Tapworks
  • Tapworks NSC11PRO Water Softener Easyflow Metered - Full Installation Kit +Hoses
  • Color: grey,white
9.0
Superb
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10
8.9
Excellent
12 Litre DVA Water Softener Manual Salt Regeneration Type for Commercial Dishwasher GLASSWASHER Coffee Machines ETC.
DVA
12 Litre DVA Water Softener Manual Salt Regeneration Type for Commercial Dishwasher GLASSWASHER Coffee Machines ETC.
Why We Love It
  • Enhances appliance longevity.
  • Improves water purity.
  • Effortless manual regeneration.
Main Highlights
  • 12 Litre DVA Water Softener Manual Salt Regeneration Type for Commercial Dishwasher GLASSWASHER Coffee Machines ETC.
  • Product type: WATER PURIFICATION UNIT
  • Brand: DVA
  • 12 Litre DVA Water Softener Manual Salt Regeneration Type for Commercial Dishwasher GLASSWASHER Coffee Machines ETC.
8.9
Excellent
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