Best Combination Smoke Carbon Monoxide Detectors Deals Online in the UK (25 Deals Found)

Last Updated - 14/12/2025 Sort By:

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Yezala

New
Smoke & Carbon Monoxide Alarm with Digital LCD Display, Combination Smoke Alarm and Carbon Monoxide Detector Replaceable
DUAL PROTECTION: Features both smoke and carbon monoxide detection capabilities in a single unit with clear digital LCD

£16.99
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AEGISLINK

New
Smoke & Carbon Monoxide Alarm with Digital LCD Display, AEGISLINK Combination Smoke and CO Alarm Detector with 10-Year L
Informative LCD shows real-time CO concentrations and battery power to monitor for CO leaks and battery level; to save p

£22.39 £29.99
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New
Carbon Monoxide (CO) and Smoke Combination Detector Alarm - Kidde 10SCO
Combine two detectors in one space-saving unit with the Kidde 10SCO Carbon Monoxide and Smoke Alarm. This alarm detects

£21.90
X-Sense

New
X-Sense Wi-Fi Combination Smoke Alarm and Carbon Monoxide Alarm with Replaceable Battery, Smart Fire Alarm Compatible wi
Attention: The SC07-WX Wi-Fi Smoke and Carbon Monoxide Alarm is not compatible with SBS50 base station and does not supp

£32.05 £44.99
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New
PureDetect Carbon Monoxide Detector - 10 Year Sealed Lithium Battery
PureDetect 10 Year Battery Carbon Monoxide Detector. The unit has LED indicators along with a loud buzzer. The LED light

£15.99
X-Sense

New
X-Sense Wi-Fi Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts, Smart Smoke Alarm for Home with Rep
Attention: The Smart Combination Smoke and Carbon Monoxide Alarm XP0A-iR connects to the app over Wi-Fi without a base s

£74.99
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Best Value
Generic

New
Smoke and Carbon Monoxide Alarm, Dual Sensor Combination Smoke Alarm and Carbon Monoxide Detector and Replaceable Batter
【2 in 1 Carbon Monoxide and Smoke Detector】 Protection from two deadly threats, The smoke and carbon monoxide detector p

£23.99
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New
Carbon Monoxide (CO) and Smoke Combination Detector Alarm with LCD Display
The fire detector and carbon monoxide detector in 1 unit with LED lights and voice alarm. Smoke and carbon monoxide alar

£13.59
X-Sense

New
X-Sense Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts, Smoke Alarm for Home with Replaceable Bat
Important Note: The XP0A-SR Combination Smoke and Carbon Monoxide Alarm does not support interconnectivity or app functi

£29.99
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New
Kidde 5CO - 10 Year Life LED Carbon Monoxide Detector / CO Alarm with Batteries
The Kidde 5CO carbon monoxide alarm features a 10 year sensor life and is supplied with 2 x Duracell AA alkaline batteri

£15.12
Safelincs

New
Kidde 10SCO Combination 10 Year Life Carbon Monoxide and Smoke Alarm Twin Pack
Smoke alarm and CO alarm in one unit for space saving and convenience. Twin pack of two units.

£43.95
GiiHoo

New
GiiHoo Smoke and Carbon Monoxide Alarm Detector with LCD Display & Battery Powered, Combination Smoke and CO Alarm for H
Dual Protection: Detects both smoke and carbon monoxide (CO) with advanced photoelectric and electrochemical sensors, en

£18.08 £26.99
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New
Combination Smoke and Carbon Monoxide Alarm for Home with Replaceable Battery
Combination Smoke and Carbon Monoxide Alarm Detector. Smoke & Carbon Monoxide 2-in-1. Display of carbon monoxide gas con

£12.77 £13.59
X-Sense

New
X-Sense Combination Smoke and Carbon Monoxide Alarm with LCD Display & 10-Year Battery, Smoke Alarm for Home Compliant w
Attention: The SC07 Combination Smoke and Carbon Monoxide Alarm is not compatible with the SBS50 Base Station and does n

£22.55 £35.99
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New
Carbon Monoxide Alarm 10 Year life CO Detector Kidde 2030-DCR -
Kidde 2030-DCR CO Detector Carbon Monoxide Alarm. This leading CO alarm has been updated to comply with EN50291-1:2018 s

£15.17
Fireangel

New
FireAngel Combination Smoke and Carbon Monoxide Alarm for Home - SCB10-R, 10 Year Life, Dual Carbon Monoxide Detector an
DUAL PROTECTION: This combination carbon monoxide (CO) and smoke detector offers vital protection against both CO and fi

£29.99
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New
Carbon Monoxide Detector Warning Alarm Sensor LED Digital Battery Powered
Digital Carbon Monoxide Detector Alarm Warning Alarm Sensor LED Battery Powered. C605carbon monoxide. SC06: Carbon monox

£5.99
New
Carbon Monoxide Detector Warning Alarm Sensor LED Digital Battery Powered
Carbon Monoxide Detectors. 1, Optimized sensor performance, using high quality 3-year life sensor, higher accuracy. Mode

£5.49
New
Combination Wifi Smoke & CO Carbon Monoxide Alarm with LCD Display & Battery UK
1xcarbon monoxide detector. Alarm current:<50mA. Red light:Alarm. This machine is 433mhz version, can be independent ala

£9.39
New
Carbon Monoxide (CO) and Smoke Combination Detector Alarm - Kidde K10SCO
The Kidde K10SCO provides both smoke and carbon monoxide detection from one space-saving unit, and is backed by a 10 yea

£22.90
New
Combination Smoke or Carbon Monoxide 10-Year Life Alarm with LCD Display&Battery
Carbon Monoxide Alarm Widely Used：. Install alongside heat alarms and carbon monoxide alarms for complete protection. Th

£8.45 £8.99
New
Kidde 2030-DCR - 10 Year Life Carbon Monoxide Detector/Alarm | AA Battery
The Kidde 2030-DCR Carbon Monoxide Detector is a reliable and effective solution to protect your home from potential car

£14.89
New
Twinpack Carbon Monoxide (CO) & Smoke Combination Detector Alarm - Kidde 10SCO
The voice warning feature will announce either 'FIRE! or 'WARNING! Alternative Product CodesKE10SCO 10SCO K10SCO. Choose

£52.00
New
QVIS Carbon Monoxide Detector - 10 Year Sealed Lithium Battery
Qvis QFS-CO 10 Year Battery Carbon Monoxide Detector. Qvis 10 Year Battery Carbon Monoxide Detector. The unit has LED in

£14.99
New
Wireless Interlinked Smoke & Heat Alarm Kit UK Compliant - Build Your Own Bundle
Smoke & Heat alarms should be interlinked (All our kits are interlinked & tested before being dispatched). It is now rec

£36.98

25 Combination Smoke Carbon Monoxide Detectors deals are available from: Amazon, eBay stores, starting from £5.49.
The biggest discount we found is 10%% on Smoke & Carbon Monoxide Alarm with Digital LCD Display, Combination Smoke Alarm and Carbon Monoxide Detector Replaceable Battery Smoke and CO Alarm for Your Home, Garage, Office at Amazon.
The lowest price we found is £5.49 while the highest is £74.99.
Prices for the best Combination Smoke Carbon Monoxide Detectors deals average at £23.22.
Last updated on December 14, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Combination Smoke Carbon Monoxide Detectors.