10 Best Mains Powered Smoke Alarms For Home 3 Pack in The UK

Last updated on 25/05/2025

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FireAngel Pro Connected Smart Smoke Alarm, Mains Powered with Wireless Interlink and 10 Year Life Back-Up Battery, FP1640W2-R , White

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Why We Love It

Rapid fire detection ensures safety.
Connected system increases alert range.
Reassuring five year warranty included.

Main Highlights

FireAngel Pro Connected Smart Smoke Alarm, Mains Powered with Wireless Interlink and 10 Year Life Back-Up Battery, FP1640W2-R
FireAngel's Thermoptek Technology will rapidly sense all types of fire and initiate the loud, clear alarm, giving you precious time to escape
Use independently as a single unit or wirelessly link with multiple FireAngel Pro Connected Smoke Alarms, Kitchen Heat Alarms, Carbon Monoxide Detectors and Accessories including Gateway and FireAngel Connected App
The device is powered by your home's main power supply, but if a power cut should occur the back-up Panasonic battery in the unit will step in and protect your home and family
Multiple connected products will alarm simultaneous meaning alerts to fires in secluded areas will be heard across all products instantly
Install one in the circulation space of each level of the home (hallways and landings) as well in each of the rooms where you spend most of your time (living rooms, bedrooms and dining rooms). (also check local requirements)
Optional - install this alarm alongside the FireAngel Pro Connected gateway to enable instant updates to your smart phone or email
Comes with a 5 year manufacturer's warranty, giving peace of mind
Suitable for homes in Scotland when installed following the guidance stated in the Scottish Fire and CO legislation due in February 2022. Also suitable for homes in England and Wales

Kidde Firex KF Series Mains Powered Fire Alarms Kit (3 Smoke & 1 Heat) with Alkaline Back-up Battery

Why We Love It

Ideal for home installation.
Reliable mains power support.
Includes a 6-year warranty.

Main Highlights

Ideal for installation throughout the home. Smoke alarm: Living rooms, bedrooms, hallways, landings, near (but not in) the kitchen. Heat Alarm: Kitchens, garages, unconverted loft spaces
Power: 230V mains powered with alkaline back-up battery
Back-up Battery: 9V alkaline battery (included)
Warranty: 6 year manufacturer's warranty
CE marked and Kitemarked. Smoke Alarm: certified to BS EN 14604: 2005. Heat Alarm: certified to BS 5446-2. Suitable for installations complying to BS 5829-6 2019 Grade D2
Smoke Alarm (H x D): 39 x 133mm. Heat Alarm (H x D) = 38 x 138mm

Kidde Firex KF Series Mains Powered Fire Alarms Kit (2 Smoke & 1 Heat) with Alkaline Back-up Battery

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Why We Love It

Ideal for home-wide installation.
Includes backup battery feature.
Comes with manufacturer warranty.

Main Highlights

Ideal for installation throughout the home. Smoke alarm: Living rooms, bedrooms, hallways, landings, near (but not in) the kitchen. Heat Alarm: Kitchens, garages, unconverted loft spaces
Power: 230V mains powered with alkaline back-up battery
Back-up Battery: 9V alkaline battery (included)
Warranty: 6 year manufacturer's warranty
CE marked and Kitemarked. Smoke Alarm: certified to BS EN 14604: 2005. Heat Alarm: certified to BS 5446-2. Suitable for installations complying to BS 5829-6 2019 Grade D2
Smoke Alarm (H x D): 39 x 133mm. Heat Alarm (H x D) = 38 x 138mm

Hispec Electrical Products Limited

HiSPEC Mains Powered Smoke Alarms Heat Detectors and CO Detectors Fire Safety Kits with 9V Back Up Battery: Interconnectable & Fully Compliant to Welsh 2022 Legislation (3 Smoke / 1 Heat)

Why We Love It

Top-tier safety for families.
Hassle-free, time-saving installation.
For all home spaces.

Main Highlights

Peace of mind fire safety for your family and pets with mains smoke alarms, heat and carbon monoxide detectors with 9V back up battery
Time saving and easy fast fix installation with the ability to interlink up to 20 wired alarms
These HiSPEC alarms and detectors all fully comply with the new 2022 Welsh Renting Homes fire protection Regulations
Smoke alarms are suitable for living rooms, hallways, landings, bedrooms, lofts and extensions. Heat detectors are suitable for kitchens and carbon monoxide detectors are for around any solid burning fuel source
Reliable and trusted protection from industry leaders HiSPEC. All alarms comply with BS 5839-6:2019 and are fully accredited by the British Standards Institute (BSi).

Smoke Alarm, Interlinked Smoke and Heat Alarm Scotland Bundle, Pre-linked,10-Year Battery Life,Compliant with Scotland & England Law (2 Smoke + 1 Heat)

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Why We Love It

Assured highest safety standards compliance.
Enjoy hassle-free setup process.
Guarantees decade-long battery life.

Main Highlights

【Pre-Linked for Easy Setup】: No complicated installation required - simply power on, test, and fit in seconds! The bundle comes pre-linked for your convenience, making installation a breeze.
【10 Years Battery Life】: With a built-in 10-year lithium battery, you won't need to worry about frequent battery changes. Enjoy 24/7 protection, even during power cuts.
【Split-Spectrum Technology】: Utilizing the latest spilit spectrum technology, our smoke alarms are much more accurate and react faster than conventional sensors. Our heat alarms instantly activate when the ambient temperature exceeds the safe limit.

SAFE-TECH Smoke Alarms, Interlinked Smoke and Heat Alarm Scotland Bundle | UKCA Certified British Brand, Approved by Electrical Wholesalers | F1 10-Year Tamper-proof Battery | UK Tech Support

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Why We Love It

Certified safety with TÜV Rheinland.
Long 10-year battery life.
Quality British brand product.

Main Highlights

【Awards Winning Brand】: Recognised as a finalist for ‘Product Innovation of the Year 2023’ and ‘Security Solution of the Year 2024’ at the London Construction Awards, and ‘Innovative Security Project 2024’ at the British Security Awards.
【Smart Technology Integration】: The Interlink smoke alarm, equipped with a built-in radio module, connects up to 50 devices using Mesh RF technology—when one alarm sounds, they all sound. It is also compatible with the Hestia 7.0” smart control panel for live notifications and no monthly fees.
【Complete Home Fire Solution】: Includes 3 interlinked smoke alarms, 1 interlinked heat alarm, designed to provide comprehensive fire protection for England, Scotland and Wales.
【Complies with UK Legislation】: Fully compliant with British standards BS EN 14604:2005 (Smoke), BS EN 5446-2:2003 (Heat), meeting fire regulations for England, Wales, and Scotland.
【10-Year Tamper-proof Battery】: F1 Rating, long-lasting, tamperproof battery ensures consistent performance with minimal maintenance.
【Easy Setup & Support】: Interlinked smoke heat alarm bundle quick and simple installation with a comprehensive quick start guide, video installation support, and a dedicated UK telephone support line to assist you.
【Trusted British Quality】: Powered by SAFE-TECH, a brand trusted by hundreds of electrical wholesalers, including national suppliers such as B&Q, CEF, Edmundson Electrical, and YESSS.

Andyssey GS517A Wired Smoke Alarm Mains powered, Interlinked Mains Smoke Detector 1 Year Replaceable Battery Back-up, Fire Alarm with Silence Button, EN 14604 Standard (2-PACK)

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Why We Love It

Advanced fire hazard awareness.
Comprehensive fire safety modes.
Easy installation and operation.

Main Highlights

Advanced Photoelectric Smoke Detection: This mains smoke alarm uses cutting-edge photoelectric technology to detect slow-smoldering fires with thick, black smoke, providing early warning for fire hazards that might otherwise go unnoticed.
Reliable Power with Battery Backup: Operating on AC220~240V/50Hz power with a DC9V battery backup, this hard wired smoke alarm ensures continuous protection, even during power outages. It also alerts you when the battery is low, for added peace of mind.
Silent and User-Friendly Features: Enjoy a hassle-free experience with easy installation, a convenient mute function, and a simple test mode for regular maintenance. The user-friendly design of GS517A hard wired smoke detectors ensures effortless operation and testing.
Efficient Interconnection for Enhanced Safety: This smoke alarm system can be interconnected with up to 12 devices, providing synchronized alerts across multiple locations in your home, office, or building for comprehensive fire safety coverage.
Meets Strict Safety Standards: Certified to EN14604:2005/AC-2008 standards, this mains fire alarm meets high-quality requirements for sensitivity, sound volume, and operational performance, ensuring reliable and accurate fire detection.

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

Deta 1163 Optical Smoke Alarm 240V with 9V Replaceable Battery Back Up (White)

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Why We Love It

Reduced false alarms feature.
Quick and easy installation.
Dust contamination protection provided.

Main Highlights

Optical (photoelectric) smoke alarm - less prone to false alarms. Alarm volume >89dB(A) @ 3m. Silence / hush button
Power on / alarm status indication lights. Mains powered 220-240V AC 50Hz. Replaceable 9V PP3 battery back up (battery included)
Push fit mounting base for quick and easy installation - no separate base required. Dust cover to prevent dust contamination during building works. Up to 12 alarms from same manufacturer / range can be linked together
No radioactive content. Fitted gasket on back of base plate. Class II double insulated. Earth "park" terminal included in base. Manufactured to BS EN14604: 2005 / AC:2008. CE approved
Dimensions: 140mm diamter x 60mm deep

Smoke Alarm for Home,XINDUM Smoke Detectors 10 Years Battery, Fire Alarms with Test/Mute Button and Magnetic Holder, 85dB Audible Alarm for Home Security, Standalone,3 Pack

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Why We Love It

Sealed battery lasts 10 years.
No disturbing flashing lights.
Mute button for false alarms.

Main Highlights

10 Years Smoke Alarms: Euipped with 10 year sealed for life battery, 1600mAh lithium battery. No need to climb up and down with ladder to change the battery, friendly for elder people.
No Annoying Flashing LED: The smoke detectors doesn't flash in normal mode. It's suitable to install in bedroom. No annoying flashing led to disturb you when sleeping at night.
Mute Function: When the smoke detectors trigger alarms caused by cooking smoke, press the mute button can silent the alarms for 10 minutes.
Mini Smoke Alarms for Home: Size: 8.5*8.5*2.4cm, Weight: 75g. very little impact on home decor. cheap for money saving, little for space saving.
Easy Installation: You can install the smoke alarms with the included magnetic holder, or with screw kits. choose the better way according to the installation places.

8.7

Excellent

We scanned 982 products

We reviewed these offers relevant to the Mains Powered Smoke Alarms For Home 3 Pack 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 Fireangel, Kidde, Hispec Electrical Products Limited, WISUALARM, SAFE TECH, Andyssey, DETA, XINDUM, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Mains Powered Smoke Alarms For Home 3 Pack in the market, we considered we took a deep dive into 4911 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 FireAngel Pro Connected Smart Smoke Alarm, Mains Powered with Wireless Interlink and 10 Year Life Back-Up Battery, FP1640W2-R , White. We love many things about this product by Fireangel. What sets it apart from the competition is Rapid fire detection ensures safety, Connected system increases alert range, Reassuring five year warranty included.
The best value product for most shoppers and where user satisfaction is continuously the highest is Kidde Firex KF Series Mains Powered Fire Alarms Kit (3 Smoke & 1 Heat) with Alkaline Back-up Battery by Kidde based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Mains Powered Smoke Alarms For Home 3 Pack and the best cost-to-value ratio is SAFE-TECH Smoke Alarms, Interlinked Smoke and Heat Alarm Scotland Bundle | UKCA Certified British Brand, Approved by Electrical Wholesalers | F1 10-Year Tamper-proof Battery | UK Tech Supportat SAFE TECH with a 39% discount.
Our list of the best Mains Powered Smoke Alarms For Home 3 Pack 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 Mains Powered Smoke Alarms For Home 3 Pack in The UK

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We scanned 982 products

We concluded that: