Under-Sink Filters
Hidden under your kitchen sink, these filters provide high-capacity filtration without cluttering your counter.
Best for: Homeowners wanting set-and-forget filtration with high capacity · £45–£120
Not sure which to pick? Check your water first.
Try your postcode — e.g. SW1A, M1, B1
Under-Sink Filter
Waterdrop 10UA Under Sink
£45
4.4/5
- Massive 11,000-gallon filter life — lasts most households a year
- Simple DIY installation with push-fit connectors
- Compact body fits easily under standard UK sinks
NSF/ANSI 42
View deal
Under-Sink Filter
Doulton HIP Ultracarb
£120
4.6/5
- Ceramic element removes 99.99% of bacteria
- British-made with over 190 years of heritage
- NSF 42 + 53 dual certification for lead and cysts
NSF/ANSI 42NSF/ANSI 53
View dealSide-by-side comparison
| Filter | Price | Rating | Chlorine | Lead | PFAS (total) | Bacteria | Microplastics | Copper | Annual Cost |
|---|---|---|---|---|---|---|---|---|---|
| Waterdrop 10UA Under Sink High-volume under-sink filtration without RO complexity | £45 | 4.4 | £30/yr | ||||||
| Doulton HIP Ultracarb Families wanting bacteria and lead removal from a trusted UK brand | £120 | 4.6 | £80/yr |
Common questions
- Do I need a plumber to install an under-sink filter?
- Basic under-sink filters like the Waterdrop 10UA use push-fit connectors and can be installed DIY. More complex systems may need a plumber.
- How is an under-sink filter different from reverse osmosis?
- Under-sink carbon filters remove chlorine, lead, and some chemicals but leave minerals in. Reverse osmosis removes virtually everything, including fluoride, PFAS, and nitrates.
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