Advertising Disclosure Whole House Water Filtration System Comparison - July 2025
3 Best Whole House Water Filtration System In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you9.9
1iSpringiSpring WGB32B 3-Stage Whole House Water Filtration System w/ 20-Inch Big Blue Sediment and Carbon Block Filters
Main highlights- Unlike an RO system, this system will NOT reduce Total Dissolved Solids (TDS), thus it keeps the healthy minerals in the water.
- The first stage high capacity polypropylene sediment filter achieves filtration down to 5 microns. The second and third stage CTO Carbon Block filter uses high quality coconut shell carbon for maximum filtration efficiency and filter life. Both are tested by independent third-party to meet NSF/ANSI Standards. Both filters have a capacity of 100,000 gallon of water to supply one full year of clean water for a family of four.
- Package includes - black metal bracket, three big blue housings with caps, three filter cartridges, and a 4.5 inch housing wrench.
- Installed at the main water supply to treat all the water you use in your entire home. Enjoy better water from every tap and every appliance in the whole house.. Big Blue 20inches x 4.5inches filter cartridges allow for minimal pressure reduction and extended filter life
- Equipped with gradient three stage filtration, iSpring WGB32B whole house water system removes sediment, chlorine, rust, pesticides, herbicides, industrial solvents, VOCs, and various other contaminants. With 1 inch NPT inlet/ outlet, it has minimum impact on water flow (up to 15 GPM) and requires minimum maintenance.
9.8
2iSpring26% OffiSpring RCC7AK 6 Stage Reverse Osmosis Water System Under Sink with Alkaline Remineralization, NSF Certified, 75 GPD, TDS Reduction
Why we love it
Removes over 1,000 contaminants.
Easy DIY installation.
Restores healthy minerals.
Main highlights- 【LOW MAINTENANCE】:Transparent 1st stage housing for easy visual inspection. Three extra long life pre-filters to remove large contaminants and protect RO membrane. Ultra fine (RO) filter to remove contaminants down to 0. 0001 microns; fine GAC filter to provide final polishing to the purified water and (AK) filter to finally restore just the right proportion of healthy minerals and a natural alkaline balance. The end result is great-tasting bottled-water quality.
- 【GREAT-TASTING MINERAL WATER】:A standard 5 stage RO system produces slightly acidic water with a pH of 7. 0 or below because the RO membrane removes not only harmful pollutants but also a few helpful minerals. The iSpring RCC7AK Reverse Osmosis water filter includes an additional 6th stage - an Alkaline Remineralization filter which restores healthy minerals and produces a balanced alkalinity, which gives your water a more natural taste than regular 5 stage RO water filter.
- 【EASY TO INSTALL & NO LEAKS】: The water purifier is designed for do-it-yourself installation and all necessary parts for installation are included. Backed by clear installation manual, instructional videos, and access to life-time technical support. The entire alkaline water filter fits nicely under a kitchen sink. For leak-free installation, simply push tubing ½ inch deep into quick-fitting connectors and lock; no threading pipes needed.
- 【Certified to NSF/ANSI 58】: 6-Stage Alkaline Remineralization Layered Filtration - Exclusively designed to restore the natural alkalinity and mineral balance of water; this reliable and ultra-safe Reverse Osmosis (RO) water filtration system converts your water into clean, pure and healthy drinking water by removing up to 99% of over 1,000 harmful contaminants like chlorine, fluoride, lead (removes up to 98%), arsenic, asbestos, calcium, sodium and more.
- 【100% SATISFIED CUSTOMERS】: RCC7AK from America’s favorite brand of under sink water filter is the highly rated reverse osmosis systems. Comes with 1-year limited manufacturer warranty upon registration and lifetime personalized support from GA, USA, combined with premium quality components, this water filter is to deliver endless bottled quality drinking water right in your home for many years to come, eliminating plastic waste.
9.7
3AquaHouseEcoPlus XL Whole House Water Filter System & Salt Free Water Softener Alternative, up to 99.6% Effective Scale Prevention
Why we love it
The product filters levels of compounds, including chlorine and heavy metals, to reduce the taste and odor of water.
The product contains an antibacterial filter media to help inhibit bacterial growth and allow for long filter life.
The product is supplied with 3/4 BSP threaded fittings for easy installation.
Main highlights- The EcoPlus XL Whole House Water Filter with scale prevention uses the latest in scale prevention and water filtration technology to filter the water for your whole home or business premises. Once installed the system will filter all of your water to a high level, prevent new lime-scale from forming, and slowly de-scale existing pipework - without adding any chemicals or salt into the water.
- High Flow Rate: Ther filter housings utilise full bore fittings to minimise impact on water pressure, designed to work in homes with appliances sensitive to pressure including cold feed electric showers & Combi Boilers. Supplied with 3/4" BSP (22mm) threaded fittings attached. Wall mount the system and connect in-line with the cold mains water pipe.
- Dimensions (in centimetres): Height: 59cm (74cm with bracket) Width: 48cm, Depth 21cm. Suitable for average/large homes where flow rates will not regularly exceed 20 liters/minute up to 38 litres at peak flow* - for short periods only at peak flow.
- 2nd Filter: Scale Prevention (Chemical & Salt-free alternative to water softening). The scale prevention filter media prevents up to 99.6% of lime-scale formation, to prevent future scale build-up and will also slowly de-scale existing pipework and appliances. This filter is recommended to be replaced every 2-3 years. Replacement filter code: WFM-20BBSSWF
- 1st Filter: Whole House Water Filtration. Utilises a mix of ceramic type filter media to filters levels of chemicals / compounds including chlorine, to reduce the taste & odour of the water and improve overall water quality. This filter is recommended to be repleaced yearly, replacement filter code: WFMSUPER20BB
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Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.