Best Smoke & Carbon Monoxide Alarms — Budget + 2 years (2026)
1 smoke & carbon monoxide alarms matching price “Budget” + warranty “2 years”, hand-picked from UK Amazon listings.
#1 Pick
FireAngel FA6120-INT-T2 Smoke Alarm Detector, WhiteRated 4.5 out of 5 stars (1,876)
- Standalone
- 2 years
£14.99
Pros
- Optical sensor detects smouldering fires quickly
- Simple test/hush button for false alarms
- Kitemarked to British Standards
Cons
- Standalone unit, no wireless interlink with other alarms