10 Best Smoke Alarm in The UK

Last updated on 13/08/2025

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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.

Kidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notification

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Why We Love It

Ensures safety through testing.
User-friendly with clear instructions.
Engages proactive safety measures.

Main Highlights

Alarms should be tested by pressing the test button in accordance with the supplied instructions.
Reliable performance
The voice warnings given by this alarm are: "fire! Fire!" "Warning! Carbon monoxide" "Caution, carbon monoxide previously detected" "Hush mode activated" "Hush mode cancelled" "Low battery"
Designed to be wall- or ceiling-mounted, this battery-powered unit is ideal for when space is limited but protection is paramount. It can be used in most locations throughout the home but check in in-pack guidelines for specific installation instructions

FireAngel ST-622T 10 Year Thermoptek Smoke Alarm

30% Off

Why We Love It

Advanced fire detection system inbuilt.
Smart silence for false alarms.
Reliable 10-year battery life.

Main Highlights

Thermoptek multi-sensor rapidly detects fast flaming & slow smouldering fires
Smart silence - silence false alarms
Toast proof - reduces nuisance alarms
Thermoptek optical smoke sensor
Product life span: 10 year. Battery life: 10 year sealed for life Battery

Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up

3% Off

Why We Love It

Interlinks with multiple Firex alarms.
Combined test/hush button installed.
Battery backup for reliability.

Main Highlights

Interlink with up to 23 Firex hard-wired alarms
Combined test/hush button
Auto reset
Tamper-resistant locking device
Mains operation
The Kidde KF2 smoke alarm is a mains powered alarm contains battery in it as a backup in case of a power cut.

X-Sense Smoke Alarm for Home, 10-Year Battery Fire Alarm, LED Indicator & Silence Button, Smoke Detector Battery Operated, Conforms to EN 14604 Standard, SD11

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Why We Love It

Reliable and intelligent smoke detection.
Incredible 10-year battery life.
Superior, eco-friendly construction.

Main Highlights

Sensitive & Intelligent: The state-of-the-art photoelectric sensor, combined with an advanced intelligent chipset, this smoke alarm for home can accurately detects dangerous smoke levels in seconds with fewer false alarms
10-Year Battery Life: The low power consumption enables an incredible product life of up to 10 years with the built-in lithium battery; provides reliable uninterrupted 24/7 protection so you can sleep safely
Reliable Auto-Check: The fire alarm monitors itself constantly and timely informs you of faults or a low battery for secure use
Superior Construction: Made of fire-retardant ABS plastic material; the long-lived smoke detector horn alerts you with a loud 85-decibel alarm when smoke has been detected
High Quality: This premium smoke alarm conforms to EN 14604 standard

Smoke Alarms for Home 2 Pack, Isafenest Smoke Alarm 10-Year Sensor/5-Year Battery Fire Alarm with LED Indicator and Silence Button, Photoelectric Fire Alarm Battery Operated

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Why We Love It

Provides constant self-testing feature.
Promises long lifespan with durability.
Easy and quick installation process.

Main Highlights

ATTENTION - At the end of the test(by pressing the TEST button), the smoke alarm will go into silent mode and it will not alarm(for 9 minutes), please wait for the silent mode to end before doing the next test
LONG LIFESPAN - Our fire alarms are produced under EN14604 standard, providing up to 10 years of use. And the smoke alarms come with a 5-year 9V alkaline battery, you can change it by yourself when low battery
LOUD ALARM - Our fire alarm have 85dB loud alarm and red light indicator. Range: 20-40 square meters. The beeping will continue until the smoke is cleared or the Test/Silent button is released
AUTO CHECK SMOKE ALARM - Our smoke alarm can test itself constantly with red led flashes every 33 seconds. Keep you and your family safe
EASY INSTALLATION - Our battery operated smoke alarm is super easy to install, no need to rewiring, all accessories included
HIGH QUALITY MATERIAL - The exterior of our fire alarm is made of flame retardant ABS+PC material, which resists high temperature

Five years of protection.
Magnetic tool-free installation.
Advanced optical sensor technology.

Main Highlights

5 YEARS OF PROTECTION: Enjoy long-lasting safety with a 5-year battery life, ensuring continuous security and peace of mind without frequent battery replacements.
MAGNETIC MOUNTING: Install smoke alarms quickly and tool-free with the magnetic mounting kit, perfect for any home environment.
ADVANCED OPTICAL SENSOR: Features a cutting-edge optical sensor that reacts swiftly to fire, offering early warnings with reduced false alarms.
USER-FRIENDLY DESIGN: Test functionality effortlessly with the test button, and stay informed of battery status with the low battery indicator.
RELIABLE QUALITY: Benefit from a hassle-free experience with a 5-year warranty, and rest assured knowing the alarm meets stringent European safety standards (EN14604).

Fire Alarms Battery Operated for Home,Smoke Alarms Detector with 10 Years Life/5 Years Battery, Fire Alarm with LED Indicator and Silence Button Photoelectric Smoke Alarms for Home (2 Pack)

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Why We Love It

Prompt alerts ensure safety.
Effortless installation increases convenience.
Certified reliability for peace.

Main Highlights

【Quick smart 】The smoke by the change in the intensity of the infrared light scattered in the smoke. When the light intensity received by the photosensitive receiver exceeds the set value, the piezoelectric horn will be driven to sound an alarm.
【Easy Installation】 No need to connect wires, just use the attached screws to fix the anchor plug on the mounting bracket, and rotate the smoke sensor to the right to the gap to complete the installation on the wall or ceiling.
【Reliable Security】 When the smoke sensor has a short circuit, open circuit or other bad conditions, the smoke alarm will automatically detect and send a fault signal. Protect family and property safety in time.
【Long product life】 Compared with other battery and machine integration products, the product has a 10-year lifetime and a 5-year replaceable DC 9V battery operated, which is more user-friendly.
【High standard, safe and reliable certification】 The smoke alarm has passed CE certification and British BRE certification, providing you with better safety and reliability.

Kidde 10Y29 RB Ten Year Life Sealed Battery Smoke Alarm , White

34% OffFree Shipping

Why We Love It

10-Year hassle-free battery.
Reliable optical photoelectric sensor.
Convenient test and hush button.

Main Highlights

New generation alarm of successful 10Y29
Optical Photoelectric sensor
Sealed in battery that never needs replacing
10 Year Warranty
Test function, hush button and low battery alert

2 Pack Smoke Alarms for Home – 10-Year Life Fire Alarms with 5-Year Replaceable Battery, EN14604 Certified Photoelectric Smoke Detector with Silence Button, LED Light, for Kitchen, Caravan, Office

35% OffFree Shipping

Why We Love It

Optical sensing enhances safety.
High-quality, heat-resistant construction.
Powerful, wide-range notification.

Main Highlights

🏡 Advanced Optical Detection for Rapid Response || Safeguard your family with this 2 pack smoke alarm for home, featuring photoelectric (optical) sensing technology. It swiftly detects smoke from slow-burning fires — essential for enhancing protection in any home, office, flat, or caravan.
⏱️ 10-Year Sensor Life with Replaceable 5-Year Battery || Engineered for lasting safety, each fire alarm for home offers a durable 10-year lifespan and comes pre-equipped with a 5-year battery. No wiring, no fuss — just replace the battery when needed to keep your battery operated smoke alarm active.
📢 Loud 85dB Alarm & Flashing LED Light || When danger strikes, the alarm emits a powerful 85dB siren with a red LED alert — easily heard across bedrooms, kitchens, hallways, stairways, lofts, and offices. A reliable smoke detector for home with visual and audio warnings.
🔇 Silence Button to Prevent Nuisance Alarms || Minimise false alarms with the handy test/silence button — ideal for kitchens or areas with steam. Temporarily silence the alarm during cooking; it reactivates automatically for continued monitoring.
✅ EN14604 Certified with Auto Self-Test || These smoke detectors for home meet the strict EN14604 safety standard. An automatic self-check runs every 33 seconds, shown by a flashing LED, confirming the fire alarm's status without interrupting your day.
🛠️ Effortless DIY Installation || Designed for convenience, this battery smoke alarm installs in minutes using included screws and mounting brackets — no rewiring required. Great for landlords, new builds, or renters upgrading their home fire detectors.
🛡️ Durable Flame-Retardant Construction || Made from high-quality ABS+PC, this smoke alarm withstands high temperatures. Its flame-retardant design ensures extra protection and long-term reliability in all environments — from your home to your caravan or garage.

8.7

Excellent

Save 35%

We scanned 1139 products

We reviewed these offers relevant to the Smoke Alarm 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, X-Sense, Isafenest, ELRO, TEFLERON, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Smoke Alarm in the market, we considered we took a deep dive into 5696 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 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. We love many things about this product by Fireangel. What sets it apart from the competition is Fits existing baseplates for ease, Rapid smoke detection feature, Long-lasting, tamper-proof batteries.
The best value product for most shoppers and where user satisfaction is continuously the highest is Kidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notification by Kidde based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Smoke Alarm and the best cost-to-value ratio is 2 Pack Smoke Alarms for Home – 10-Year Life Fire Alarms with 5-Year Replaceable Battery, EN14604 Certified Photoelectric Smoke Detector with Silence Button, LED Light, for Kitchen, Caravan, Officeat TEFLERON with a 35% discount.
Our list of the best Smoke Alarm 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 Smoke Alarm in The UK

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We scanned 1139 products

We concluded that: