1. Test your tap water
Use TDS1 to check the dissolved-solids reading from your kitchen tap. Upload the result through How Clean Is My Water if you want a guided next step.
No-plumbing water purifier guide for UK renters
Best Water Filter for a Rented Flat in the UK: No-Plumbing RO Guide
If you rent in London or elsewhere in the UK, the strongest water purifier route is usually simple: test your tap water with TDS1, compare no-plumbing options, then choose Nova 100 when you want countertop reverse osmosis without drilling, under-sink installation or landlord approval delays.
Choose in three steps
2. Avoid permanent plumbing
For rented flats, small kitchens and London apartments, start with countertop systems that do not need under-sink installation, drilling or pipework changes.
3. Upgrade when jugs are not enough
Brita and ZeroWater jugs are easy starters. Nova 100 is the OtherWater upgrade path when you want no-plumbing countertop RO for everyday drinking water.
Quick answers for renters, flats and no-plumbing RO
What is the best water filter for a rented flat in the UK?
For most renters, the best fit is a system that does not require permanent plumbing. Start with TDS1 testing, then compare countertop options such as Nova 100 if you want reverse osmosis without under-sink installation.
Can I use Nova 100 in a London flat?
Yes. Nova 100 is positioned for UK renters, London flats and small kitchens because it is a countertop reverse osmosis purifier with no permanent plumbing requirement.
Should renters choose Brita, ZeroWater or countertop RO?
Brita and ZeroWater can be useful jug-filter options. Choose countertop RO when you want a stronger no-plumbing upgrade path and a purifier that can move with you when your tenancy changes.
How does launch credit fit into the buying path?
Use How Clean Is My Water to start the activity path, check your TDS1 result and follow the launch credit route when it is available. It connects testing, advice and the Nova 100 upgrade decision.