The 10 Best Smoke Detectors Offers in UK - April 2026

Last updated: 01. May 2026
Smoke Detectors Comparison - We´ve already helped over 5 million consumers this year!
1
Best Rated
10.0
  • 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.
2
Best Price
9.9
Only today: 31% OFF!
£18.89 (31% DISCOUNT!)
  • 【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.
3
9.9
  • 🏡 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.
4
9.8
Only today: 29% OFF!
£16.99 (29% DISCOUNT!)
  • 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, combined with a built-in non-replaceable lithium battery, enables an incredible product life of up to 10 years; 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
9.8
  • Status photoelectric smoke alarm for reliable fire detection Status provides peace of mind with this 9V photoelectric smoke alarm designed for use in homes, flats or rental properties. Ideal for early warning detection of slow-smouldering fires in bedrooms, hallways and kitchens.
  • Photoelectric sensor for faster smoke response Fitted with a photoelectric sensor that reacts quickly to visible smoke from smouldering materials like furniture or overheated wiring. Reduces false alarms from cooking compared to traditional ionisation detectors.
  • Battery operated with 9V battery included Ready to use out of the box, this alarm comes complete with a 9V battery for quick, easy installation without wiring. Ideal for homeowners, landlords or tenants looking for hassle-free fire protection.
  • Test button and low battery warning for safety checks Includes a manual test button for regular function checks, plus a built-in low battery alert to ensure it remains active. Easy to maintain with clear audio signals when the battery needs replacing.
  • Compact white design for discreet ceiling or wall mounting Finished in neutral white with a slim profile, this alarm blends neatly into any home décor. Suitable for mounting in bedrooms, hallways, kitchens or lounges to meet fire safety standards.
6
9.7
  • 10-YEAR PROTECTION: The battery of the 10-year smoke detector is replaceable. By replacing the battery, you can continue using it without needing to buy new smoke detectors. The battery lasts 1 year.
  • NEW, MODERN OPTICAL SENSOR: Equipped with an advanced optical sensor that reacts quickly to fire, providing early warnings in the event of smoke development. Also, it reduces false alarms.
  • USER-FRIENDLY: Easily test the functionality of your smoke detector with the test button and stay informed about the battery status with the low battery indicator.
  • RELIABLE QUALITY: Enjoy a worry-free experience with a 2-year warranty. Additionally, this smoke detector meets strict European safety standards (EN14604).
  • EASY INSTALLATION: The smoke detector is simple to install using the included mounting kit.
7
9.6
Only today: 27% OFF!
£35.99 (27% DISCOUNT!)
  • Attention: The SC07 Combination Smoke and Carbon Monoxide Alarm is not compatible with the SBS50 Base Station and does not support interconnectivity or any APP functionality
  • 2-In-1 Protection: Equipped with both photoelectric smoke sensor and electrochemical CO sensors that work independently of each other, this smoke alarm and carbon monoxide detector instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • Built-In 10-Year Battery: Provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; this smoke alarm and carbon monoxide alarm saves you from constantly having to change batteries or wonder if your alarm is still functioning
  • Accurate, Reliable & Highly Sensitive: The X-Sense combination smoke and CO alarm has been redesigned from the inside out; it will ensure that smoke triggers the alarm instead of interference by taking 3 separate smoke samples from the surrounding air; a full 360 ° ring of air intakes ensures complete detection with no blind spots
  • LED Indicator: Clearly informs you of the working status of the smoke alarm with its 3-color flashing LED indicator (green LED indicates normal operation, red LED indicates the alarm status, and yellow LED indicates a fault), ensuring the safety and security of your home 24/7
  • Large LCD Display: Clearly displays battery level and the real-time CO levels in PPM (parts per million) taken from the surrounding air, with an updated measurement taken every 10 seconds, ensuring you are always aware of the status of your carbon monoxide and smoke detector
8
9.5
Only today: 30% OFF!
£12.99 (30% DISCOUNT!)
  • SMOKE DETECTORS FOR HOME: Keep your home safe with an optical smoke alarm that’s smart and responsive - its advanced sensor “sees” smoke instantly for fast alerts to slow, smouldering fires.
  • 10 YEAR BATTERY INCLUDED: Enjoy a decade of reliable safety, no battery changes needed for the entire lifespan of your Black+Decker smoke alarm. The sealed, tamper proof 10 year lithium battery lasts the life of the alarm. The alarm will indicate when it needs replacing
  • SMART DETECTION: Designed with an advanced optical sensor, the Black+Decker smoke alarm reduces false alarms from cooking smoke - simply install away from kitchens and bathrooms for optimal results.
  • EASY SET UP GUIDE: Insert the alarm onto the activation back base plate and twist the alarm firmly clockwise until you hear a ’CLICK’ then press and HOLD the test button for at least 3 SECONDS until you hear the alarm sound. If the alarm doesn’t sound after 3 seconds, twist the alarm firmly clockwise to try again.
  • SAFETY ASSURED: Trust Black+Decker quality with this Smoke Alarm, certified to BS EN 14604:2005+AC:2008 and fully compliant with CE and UKCA standards. Perfect for home or leisure spaces.
9
9.4
  • 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
9.3
Only today: 12% OFF!
£16.99 (12% DISCOUNT!)
  • This gas smoke fire alarm has wide range of features
  • Products Model Number FS1805
  • A quality product from elro

Compare Smoke Detectors and find the most suitable offer.

More information about Smoke Detectors and why you should compare offers and deals:

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.

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