10 Best Electronic Smoke Alarms in The UK

Last updated on 02/07/2025

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9.8

Exceptional

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Aico

Aico Ei Electronics Ei650iRF Wireless smoke Detector

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Why We Love It

Superior dust compensation technology.
RadioLINK+ technology for interconnectivity.
High performance optical chamber.

Main Highlights

Optical sensor with dust compensation technology
Uses built-in RadioLINK+ technology to interconnect and for data extraction
Supply Type: High performance optical chamber
Alarms Sound Level: 85 dB(A) at 3 metres
RF Range: >100(m) in free air
RF Frequency: 868.499 MHz

Replacement Smoke Alarm for BRK 660MBX and 670MBX - easichange® SBBRKSM

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Why We Love It

No DIY or electrician needed.
Improves detection of slow fires.
Includes free replacement tool.

Main Highlights

The SBBRKSM easichange kit replaces the discontinued BRK 660MBX optical and 670MBX ionisation smoke alarms and fits onto your existing BRK twist-fit alarm baseplate so there's no need for any DIY or an electrician
Kit Contents: SBBRKSM replacement optical smoke alarm head with pre-connected easichange adaptor, an easichange removal tool, a quick change guide, and the full alarm manual.
Optical sensor technology improves on the detection of slow smouldering fires and reduces the chances of false activations. Hardwire interlink allows compatible easichange alarms to communicate over the same wiring as your old BRK alarms, so that all sound the alarm if one detects a fire.
Single test/hush button for easy maintenance and silencing false alarms
Supplied with FREE easichange replacement tool

Ei Electronics Professional 10-Year Wireless Module with Advanced Functions for Smoke Alarm, own Lithium Battery – Green Ei600MRF

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Why We Love It

Seamless integration with existing systems.
Long-lasting built-in battery.
Reliable communication for safety measures.

Main Highlights

Wireless module for smoke alarm and heat detectors from Ei electronics.
Built-in, non-removable 10-year lithium battery (Panasonic).
House coding allows uninterrupted communication with connected system components.
Easy-Entry function makes it easy to integrate units into existing wireless systems.

Easichange Replacement for DETA 1111 & 1113 Mains Powered Smoke Alarms - easichange®

Why We Love It

Easy installation without electricians.
Advanced fire detection technology.
Free replacement tool included.

Main Highlights

The SBBRKSM easichange kit replaces the discontinued DETA 1111 optical and 1113 ionisation smoke alarms and fits onto your existing DETA twist-fit alarm baseplate so there's no need for any DIY or an electrician
Kit Contents: SBBRKSM replacement optical smoke alarm head with pre-connected easichange adaptor, an easichange removal tool, a quick change guide, and the full alarm manual
Optical sensor technology improves on the detection of slow smouldering fires and reduces the chances of false activations. Hardwire interlink allows compatible easichange alarms to communicate over the same wiring as your old BRK alarms, so that all sound the alarm if one detects a fire.
Single test/hush button for easy maintenance and silencing false alarms
Supplied with FREE easichange replacement tool

Wired Smoke Alarm, Interlinked Fire Alarm with LED Indicator and Silence Button, 10-Year Life Smoke Detector with 9V Battery Backup, Mains-powered, Conforms to EN14604 Standard, 2 Pack

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Why We Love It

Interconnections make testing simple.
Battery backup ensures reliability.
Silence mode minimizes disturbances.

Main Highlights

HARDWIRED SMOKE DETECTOR - Hardwired interconnected smoke alarm, can connect up to 12 alarms. It is more precise and stable than wireless interconnection.
INTERCONNECTION TEST - If the fire detectors are interconnected, you only need to press one test button during the weekly test, and the rest can be tested at the same time.
9V BATTERY BACKUP - The fire alarm is powered by a 120V power and a 9V backup battery. The alarm battary will last for at least 1 year, providing protection in the event of a power outage.
SILENCE MODE - Worried about false positives? The smoke detector has a silence button, you can hold it down for five seconds to calm it.
SIZE & CAPABILITY - 5” diameter x 1.6” depth, UL217 certified. Home fires start every 83 seconds, the fire detector can quickly identify the fire and allow the family to flee quickly.

Twin Pack Kidde Firex KF20 Mains Powered Optical Smoke Alarm with 9V Back Up Batteries | KF2 | 4973

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Why We Love It

Interlinked network for safety.
Reduced energy consumption.
Tamper-resistant and durable.

Main Highlights

Mains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat. Once interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.
Interlink with up to 23 Kidde Firex hard-wired alarms – all alarms sound if danger is detected
Mains operation – 9V Alkaline back-up battery supplied as standard
Reduced energy consumption – lower lifetime running costs (* compared to previous Firex alarms)
Combined Test/HushTM button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms
Dust compensation and bug screen – reduces nuisance alarms
Alarm memory – identifies source unit within interconnecting network
Auto reset after activation
Tamper-resistant locking device prevents unauthorised removal without the use of a tool
Warranty 6 years, BSI certified to BS EN14604:2005 and CE tested and certified to 0086-CPD-535595 15 EN14604:2005

EI Electronics Smoke Detector, Set of 1, White EI650I

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Why We Love It

Long-lasting built-in battery.
Certified for safety standards.
Loud and clear alert sound.

Main Highlights

Built-in 10 year lithium battery
'Q/Certificate according to VDS 3131/Vfdb Directive 01
Large, easy to reach easy-press button
5 year
Integrierter 85dB (a) strong Piezo Buzzer

FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

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Why We Love It

Fits existing baseplates for ease.
Rapid smoke detection feature.
Long-lasting, tamper-proof batteries.

Main Highlights

SMOKE DETECTORS FOR HOME: The optical smoke alarm makes protecting your home simple. Its optical sensing chamber 'sees' smoke as it enters the alarm, providing a fast response to slow burning fires with thick white smoke.
FEWER NUISANCE ALARMS: The advanced optical sensor ensures the FireAngel smoke alarm is less prone to false alerts from cooking fumes. Avoid placing near bathrooms or kitchens.
10-YEAR BATTERY: Each smoke alarm is fitted with a 10-year sealed battery, offering protection for the lifetime of the device without needing to change the batteries.
EASY INSTALLATION: Fitted with a removable base plate, secure it to the ceiling using the screws provided. Push and twist to secure the device. The base plate is identical to the ST622, making replacements quick and easy.
SAFETY ASSURED: The FA6620 smoke alarm holds CE and UKCA marks and is certified to BS EN 14604:2005+AC:2008. Suitable for domestic premises, including leisure accommodation vehicles, it comes with a 5-year warranty.

FireAngel Mains Smoke Alarm - SW1-R Mains Powered Optical Smoke Detector with Backup Battery - Wired, Interlinked Smoke Alarms for Home with Test Button and LED Indicators - White

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Why We Love It

Detects all types of fire.
Reliable battery back-up power.
Large central test button.

Main Highlights

SMOKE DETECTORS FOR HOME: The SW1-R mains powered optical smoke alarm has a 9V backup battery for protection during outages. It detects slow-burning fires, making it ideal for living spaces. For full coverage, consider FireAngel Thermoptek Alarms.
ENHANCED SENSING: The high performance optical smoke sensor ‘sees’ white smoke as it enters the alarm, providing a fast response to slow, smouldering fires while being less prone to false alarms.
LINKED SMOKE ALARMS: The SW1-R functions as a standalone unit or can be wired with up to 12 other mains powered smoke (SW1), heat (HW1), or carbon monoxide (CW1) alarms. All alarms sound simultaneously if one is triggered.
SAFETY ASSURED: The SW1-R mains smoke alarm meets British Safety Standard EN 14604: 2005 and is designed for domestic use. It comes with a 5 year warranty.
SLEEP EASY: The Sleep Easy function allows you to silence low battery chirps for up to 8 hours, ensuring an uninterrupted night’s sleep while still keeping your home protected.

Smoke Alarms for Home 2 Pack, HATHEPHS 10-Year Battery Smoke Alarm for Home with Large Test/Silence Button, Conforms to EN14604 Standard, UKCA

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Why We Love It

10-Year battery lasts longer.
High sensitivity prevents false alarms.
Easy installation for everyone.

Main Highlights

Built-In 10-Year Battery: Experience continuous 24/7 protection with the built-in 10-year lithium battery, eliminating the need for frequent battery replacements and saving you time and effort.
High Sensitivity & Accuracy: UKCA-certified and compliant with EN 14604, this reliable smoke alarm boasts precise smoke detection and a minimized rate of false alarms. Upon detecting a potential danger, it swiftly sounds an 85-decibel alarm to alert your family.
Automatic Self-Check: The green LED indicator flashes once every 60 seconds, performing a self-check of both the battery level and sensor to ensure they are functioning correctly and providing reliable protection.
Compact Design & Large Button: This smoke detector has a diameter of only 10 cm, making it easy to install anywhere. You can test or mute the alarm simply by pressing the button with a long stick, thus eliminating the need for a ladder.
Install in Only Minutes: Simple installation of this fire alarm on any wall or RV using the provided adhesive tape or screws. It's so straightforward that even those who avoid DIY projects will find it effortless.

8.7

Excellent

Save 23%

We scanned 1113 products

We reviewed these offers relevant to the Electronic Smoke Alarms within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Aico, easichange, Ei Electronics, Jemay, Kidde, Fireangel, HATHEPHS, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Electronic Smoke Alarms in the market, we considered we took a deep dive into 5566 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Aico Ei Electronics Ei650iRF Wireless smoke Detector. We love many things about this product by Aico. What sets it apart from the competition is Superior dust compensation technology. , RadioLINK+ technology for interconnectivity. , High performance optical chamber.
The best value product for most shoppers and where user satisfaction is continuously the highest is Replacement Smoke Alarm for BRK 660MBX and 670MBX - easichange® SBBRKSM by easichange based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Electronic Smoke Alarms and the best cost-to-value ratio is Smoke Alarms for Home 2 Pack, HATHEPHS 10-Year Battery Smoke Alarm for Home with Large Test/Silence Button, Conforms to EN14604 Standard, UKCAat HATHEPHS with a 23% discount.
Our list of the best Electronic Smoke Alarms is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Electronic Smoke Alarms in The UK

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We concluded that: