What should I look for in the best countertop reverse osmosis water purifier in the UK?

Look for simple setup, no permanent plumbing changes, practical filter replacement, clear product support and water quality testing support. Nova 100 is designed for customers who want a countertop reverse osmosis option for everyday drinking water without complex installation.

What is the best water purifier for renters in the UK without permanent plumbing?

Renters usually need a purifier that avoids drilling, under-sink installation or permanent plumbing changes. A countertop reverse osmosis purifier like Nova 100 can be a practical option for rented homes, rented flats, small kitchens and shared spaces.

Do I need plumbing for a countertop reverse osmosis water purifier?

Nova 100 does not require under-sink plumbing or permanent installation. It is a plug-and-go countertop reverse osmosis purifier for customers who want cleaner-tasting daily drinking water without changing kitchen plumbing.

Why does London tap water taste different?

London tap water taste can vary because of local water sources, hardness, chlorine and dissolved minerals. A countertop reverse osmosis purifier and a TDS water quality test pen can help customers compare tap water and filtered water at home.

Countertop Water Filters & RO Purifiers for UK Homes

Explore countertop water filters and reverse osmosis purifiers for UK homes, flats and rented spaces. Nova 100 provides a no-plumbing countertop RO option, alongside compatible replacement filters and TDS testing tools.

Choose Nova 100 for a complete purifier, ROF2501 to replace a compatible cartridge, or TDS1 to compare dissolved-solids readings. A TDS reading does not establish water safety. Compare setup, kitchen space and maintenance before choosing.

Nova 100 Countertop Reverse Osmosis Water Purifier

Sale

Nova 100 Countertop Reverse Osmosis Water Purifier

Nova 100 Countertop Reverse Osmosis Water Purifier

£199.00 GBP

Sale price £199.00 GBP Regular price £299.00 GBP
ROF2501 Reverse Osmosis Replacement Filter

ROF2501 Reverse Osmosis Replacement Filter

ROF2501 Reverse Osmosis Replacement Filter

£49.99 GBP

Sale price £49.99 GBP Regular price
TDS1 Water Quality Test Pen

TDS1 Water Quality Test Pen

TDS1 Water Quality Test Pen

£0.99 GBP

Sale price £0.99 GBP Regular price

Buying Guide

Which Water Purifier Product Do You Need?

Choosing the right water product depends on whether you want to filter your drinking water, maintain an existing purifier, or test water quality at home. Other Water keeps the range simple so UK customers can easily choose between purification, replacement filtration, and TDS1 water testing.

For Cleaner Everyday Drinking Water

Choose Nova 100 if you want a countertop reverse osmosis water purifier for your home, office, flat, or rented space. It is designed for customers who want better-tasting drinking water without permanent plumbing changes.

Best starting product
Countertop reverse osmosis purifier
Suitable for UK homes and renters

View Nova 100

For Filter Replacement

Choose ROF2501 if you already use a compatible Other Water purifier and need a replacement reverse osmosis filter. Replacing filters helps support continued filtration performance and everyday water quality.

Replacement filter cartridge
Supports purifier performance
Available in multiple colour variants

View ROF2501

For Water Quality Testing

Choose the TDS1 Water Quality Test Pen if you want to check Total Dissolved Solids and compare tap water with filtered water. It helps customers better understand water quality before and after filtration.