The 10 Best Smoke Detectors Offers in UK - December 2025
Last updated: 16. December 2025
Smoke Detectors Comparison - We´ve already helped over 5 million consumers this year!
1
Best Rated
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 18% OFF!
£44.99
(18% DISCOUNT!)
Free Delivery**
- Attention: The SC07-WX Wi-Fi Smoke and Carbon Monoxide Alarm is not compatible with SBS50 base station and does not support interconnect function
- Decade-Long Safety with Precision Detection: This smoke and carbon monoxide alarm combines photoelectric smoke and Figaro electrochemical CO sensors, ensuring fast and accurate detection and a 10-year lifespan, giving you the utmost safety and peace of mind
- Device Sharing: With the X-Sense Home Security app, you can effortlessly share your devices with 12 family and friends, enabling them to monitor your home safety and receive crucial alerts
- CO Alarm Precaution: You’ll receive an immediate warning on the app when the CO level exceeds 100 ppm from your carbon monoxide and smoke detector, enabling you to respond promptly without waiting for a delayed response
- CO Detection History at Your Fingertips: Access your home's CO concentration history from anywhere using the app; stay informed about your home's safety with comprehensive CO detection data
- Direct 2.4 GHz Wi-Fi Connection: The battery-powered smoke and carbon monoxide alarm connects directly to the X-Sense Home Security app via the 2.4 GHz Wi-Fi network, no base station required
- Stay in the Know with Instant Alerts: Keep an eye on your home from anywhere and get immediate push notifications through the X-Sense Home Security app for alarms, low battery, faults, and more
2
Best Price
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 79% OFF!
£69.99
(79% DISCOUNT!)
Free Delivery**
- Wide monitoring range: Smoke alarm can cover a wide area, ensuring timely detection of smoke in the event of a fire, allowing you to respond promptly and avoid causing huge losses.
- Optical sensing technology: The Smoke alarm adopts advanced optical sensing technology, which can quickly and accurately monitor the generation of indoor smoke and issue an alarm, ensuring your safety to the greatest extent possible.
- Fast response speed: Product has sensitive sensors that can detect smoke and issue an 80dB alarm in the early stages of a fire, allowing you to receive the signal of a fire in a timely manner, giving you more time to take countermeasures and effectively reducing losses.
- Long service life: This product has a lifespan of several years, reducing the frequency of replacement and maintenance. The product is powered by an independent battery and can be used even during power outages in the house. The design of replaceable batteries also ensures that the smoke alarm will not become unusable due to running out of battery, providing long-term safety protection for you.
- Easy installation: Product can be easily installed on walls or ceilings without the need for professional technicians or any wiring. It can be used normally through simple installation.
- LED indicator light: Smoke alarm comes with a work indicator light. When the product is working properly, the indicator light will flash regularly, allowing you to visually determine whether the product is working properly.
- Quality assurance: Product has undergone strict quality testing and is certified to meet the EN 14604 standard, providing you with professional safety assurance.
- Modern design: The appearance of the product adopts a fashionable design style, and the simple and generous appearance can meet the decoration style of most families, ensuring safety while not damaging the overall beauty of the room.
3
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 45% OFF!
£16.99
(45% DISCOUNT!)
Free Delivery**
- 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
4
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 40% OFF!
£29.99 (£15.00 / count)
(40% DISCOUNT!)
Free Delivery**
- 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
5
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 25% OFF!
£19.99 (£10.00 / kg)
(25% DISCOUNT!)
Free Delivery**
- 🏡 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.
6
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Free Delivery**
- 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.
7
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 35% OFF!
£15.99
(35% DISCOUNT!)
Free Delivery**
- Attention: Smoke Alarm XS0G-SN is not compatible with SBS50 base station and does not support interconnect function or any APP function
- Quiet Standby Mode: Say goodbye to annoying standby flashes; this smoke alarm only lights up to alert you of alarms, low battery, faults, or when it’s time to replace it
- Slim Profile, Seamless Fit: With a slim thickness of just 25 mm and a diameter of 90 mm, this smoke detector fits perfectly on walls or ceilings; creates a discreet, stylish appearance that fits seamlessly into your space
- Easy Installation with Magnetic Mount: Quickly install your smoke detector using magnetic pads on most surfaces, or screws for rougher walls and ceilings; everything you need is included—just choose the method that works best for you; no tools or assistance needed
- 10-Year Battery Life: Equipped with a sealed CR123A lithium battery that provides continuous power for the full 10-year life of the alarm and requires no replacements
- Easy Maintenance and Transport: A manual switch lets you quickly turn off the device during renovations, moving, or transport to avoid false alarms and save battery
8
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 38% OFF!
£29.99
(38% DISCOUNT!)
Free Delivery**
- Informative LCD shows real-time CO concentrations and battery power to monitor for CO leaks and battery level; to save power, it will activate only when the device is tested or the ppm has reached the alarm level for a certain period
- This smoke and carbon monoxide alarm has long-lasting sensors and components that deliver a long life of up to 10 years; also includes a replaceable 3-year lithium battery
- Featuring a light and thin design, this combination smoke and carbon monoxide detector has a 20–40 m² (215–430 sq. ft) detection range, fully protecting you and your family from dangerous smoke and carbon monoxide
- This smoke and carbon monoxide detector is built with both a cutting-edge photoelectric smoke sensor and electrochemical CO sensor to deliver high consistency and reliability for double detection and protection
- The loud alarm tone is over 85 dB at 10 ft (3 m) to alert anyone in a deep sleep; with included screws and anchor plugs, this battery-operated unit can be installed effortlessly without an electrician
9
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Free Delivery**
- EARLY WARNING SMOKE DETECTOR: The optical smoke alarm makes protecting your home simple. The optical smoke sensing chamber works by 'seeing' smoke as it enters the alarm, perfect for slow burning fires with thick white smoke.
- TOAST PROOF: The high performance optical sensors ensure the FireAngel SB1-R is less prone to false alarms from cooking fumes, so you can enjoy your breakfast in peace.
- TEST/HUSH BUTTON: Press the large test button to ensure your Fire Angel smoke alarm is working properly. A loud, high-pitched sound will verify it. To silence a false alarm, press and hold the button for 5 seconds.
- 1 YEAR BATTERY: Each battery operated smoke alarm comes with a 1 year, replaceable 9V battery. When the smoke alarm battery is low, the device will 'chirp' and the red LED will flash once every 32 seconds. Replace the battery ASAP.
- EASY INSTALLATION: Each FireAngel smoke alarm comes with a removable base plate. Attach the base plate to the ceiling using the screws provided. After inserting the battery, push and twist the alarm clockwise onto the base plate.
- SAFETY ASSURED: The SB1-R alarm holds both CE and UKCA marks and has been certified to BS EN14604:2005. Suitable for domestic properties including mobile homes and caravans. Not suitable for commercial properties. Includes a 3-year warranty.
- FIREANGEL HOME PROTECTION: In addition to our smoke alarms, we offer a wide range of other safety products designed to protect you and your family. Choose from smart and wireless devices, as well as standard carbon monoxide and heat alarms.
10
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
- 10 year life
- No need to change battery
- Sealed Lithium battery
Compare Smoke Detectors and find the most suitable offer.
Smoke detectors are essential safety devices that can save lives by alerting individuals to the presence of smoke or fire. They are commonly installed in residential and commercial buildings to provide early warning and allow for prompt evacuation.
Smoke detectors work by sensing smoke particles in the air. There are different types of smoke detectors, including ionization smoke detectors and photoelectric smoke detectors. Ionization smoke detectors use a small amount of radioactive material to ionize the air, while photoelectric smoke detectors use a light beam that is disrupted by smoke particles. Both types are effective at detecting smoke, but they may respond differently to different types of fires. Combining both types in a single device, known as dual-sensor smoke detectors, offers the best level of protection.
When a smoke detector detects the presence of smoke, it emits a loud and distinctive alarm that alerts individuals to the potential danger. It is crucial to regularly test smoke detectors to ensure that they are functioning correctly and replace the batteries as needed. Additionally, smoke detectors should be strategically placed throughout the building, including near bedrooms and on every level. By following these guidelines, the chances of early detection of smoke or fire can be greatly increased.
In conclusion, smoke detectors are vital devices that play a crucial role in safeguarding homes and businesses from the dangers of smoke and fire. Through their ability to detect the presence of smoke particles in the air and promptly emit a loud alarm, smoke detectors provide individuals with essential early warning that allows them to take appropriate action to protect their lives and property. Regular testing and maintenance of smoke detectors are essential to ensure their effectiveness. By investing in and properly maintaining smoke detectors, individuals can significantly reduce the risk of fire-related incidents and increase the chances of a safe escape in case of emergency.
* the possibly used term "best" etc. refers only to our possibly subjective personal opinion.
** "Free Delivery" means that this is possible under the given conditions at the time of data retrieval from the relevant provider, but cannot be guaranteed. It is technically not possible to provide information in real-time. The shipping costs may vary under certain circumstances (different provider, place of delivery, etc.). The shipping costs shown in the further ordering process apply.
Other IMPORTANT INFORMATION that we ask you to take note of:
We may receive a commission if you make a purchase via the links on our site. This has no impact on the placement of the products on our site. Our website is part of amazon associates program - Amazon, Amazon Prime, the Amazon Logo and Amazon Prime Logo are registered trademarks of Amazon, Inc. or its affiliates.
Disclaimer:
1. The prices shown may have risen since the time we last updated them.
2. The actual price of the product on the seller’s site at the time of purchase will govern the sale.
3. It is not technically possible for the prices displayed above to be updated in real-time.
** "Free Delivery" means that this is possible under the given conditions at the time of data retrieval from the relevant provider, but cannot be guaranteed. It is technically not possible to provide information in real-time. The shipping costs may vary under certain circumstances (different provider, place of delivery, etc.). The shipping costs shown in the further ordering process apply.
Other IMPORTANT INFORMATION that we ask you to take note of:
We may receive a commission if you make a purchase via the links on our site. This has no impact on the placement of the products on our site. Our website is part of amazon associates program - Amazon, Amazon Prime, the Amazon Logo and Amazon Prime Logo are registered trademarks of Amazon, Inc. or its affiliates.
Disclaimer:
1. The prices shown may have risen since the time we last updated them.
2. The actual price of the product on the seller’s site at the time of purchase will govern the sale.
3. It is not technically possible for the prices displayed above to be updated in real-time.
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