Can I Drink Tap Water in London?
Safe
Quick Answer
Tap water in London is safe to drink. Check local advisories for the latest information.
Tap water quality in London has been assessed based on official reports and traveler experiences. The water supply is treated and monitored, though quality may vary by area. Visitors should consider local conditions when deciding whether to drink tap water.
Water Quality Details
London's tap water meets strict safety standards and is regularly tested for contaminants. The water treatment infrastructure ensures safe drinking water for residents and visitors. While the water is safe to drink, some visitors may notice taste differences due to mineral content or treatment chemicals. Activated carbon filters can improve taste if desired.
Water sourceSurface water
HardnessVery Hard
Practical Tips
- Tap water is safe to drink throughout London
- Use an activated carbon filter if you prefer improved taste
- Public fountains and restaurant water are safe to drink
- Bottled water is available everywhere as an alternative
- No special precautions needed for ice in drinks
Recommended filters: Activated Carbon, Reverse Osmosis
Traveler Advice
Risk level: low
Diarrhea risk: low
Travelers to London can safely drink tap water. The water quality meets international standards and is regularly monitored. If you have a sensitive stomach, consider using filtered water for the first few days to adjust to local mineral content.
Sources & References
government
Data confidence: medium
Last updated: 2026-02-22