The 10 Best Smoke Detectors Offers in UK - October 2025

Last updated: 01. November 2025
Smoke Detectors Comparison - We´ve already helped over 5 million consumers this year!
1
Best Rated
9.9
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.
2
Best Price
9.8
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
3
9.7
Free Delivery**
  • Greater Safety & Wide Applications: Featuring an upgraded smoke sensor with the latest photoelectric technology, this smoke detector responds to smoke faster than traditional alarms with a louder than 85dB alarm and fast-flashing LED indicator, giving you more time to control the fire or escape safely.
  • Self-Test and Mute Features: Equipped with a low battery warning so you know when it's time to replace the device for safety reasons; If non-emergency smoke (e.g. cooking fumes) is causing annoying alarms, you can easily silence them by pressing the test/silence button.The photoelectric sensor detects smoke while minimizing false alarms.
  • Easy to Install and Red Flash Light Design: This mini smoke alarm is only 4.9*1.4inches (125*35mm), making it easy to install unobtrusively anywhere; Easily mount it to any wall or ceiling with the included screws and wall plugs.
  • Wide Range of Applications and Loud Alarm: The alarm is suitable for home, campus, office, hospital, hotel, restaurant, factory, warehouse. Loud 85 dB buzzer.This smoke detector is equipped with a loud buzzer with a volume of 85 dB within a diameter of 3 meters in accordance with the EN 14604 standard.
  • Refund and Warranty: Our Smoke detector with durable material and fashion outer design,if you face any quality problem, please contact us any time.Our team will happy to help answer any questions, please contact us feel free so we can take care of you right away!
4
9.7
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.
5
9.6
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
6
9.6
Free Delivery**
  • 【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.
7
9.5
Free Delivery**
  • 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.
8
9.4
Free Delivery**
  • DUAL PROTECTION: Two detectors combined into one space-saving unit; the Kidde K10SCO provides vital protection against carbon monoxide (CO) and fire risks in a single detector
  • 10 YEAR WARRANTY: Backed by a comprehensive 10 year manufacturer's warranty for complete peace of mind that your alarm will provide reliable ongoing protection
  • VOICE ALERTS & ALARM: "Fire Fire" or "Warning! Carbon Monoxide!" voice alerts combined with an 85dB sounder provide an audible warning and clear indication of which danger has been detected
  • BATTERY POWERED: Powered by 2 x AA replaceable alkaline batteries (included). The easy to access front battery compartment makes replacing batteries quick and simple
  • EASY TO INSTALL: Designed to be wall or ceiling mounted, the K10SCO is ideal for when space is limited but protection is paramount; It can be used in most locations throughout the home (refer to included installation instructions)
  • SAFETY APPROVED: CE and UKCA marked, and Kitemarked to the most up-to-date British Standards for smoke alarms (BS EN 14604:2005) and carbon monoxide alarms (BS EN 50291-1: 2018). Suitable for BS 5839-6: 2019 Grade F2 installations
9
9.3
Only today: 41% OFF!
£20.49 (£10.24 / count) (41% DISCOUNT!)
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
9.3
Free Delivery**
  • Wide monitoring range: Carbon monoxide alarm can cover a wide range of areas, ensuring timely detection of abnormalities and issuing alarms when there is a change in carbon monoxide concentration, allowing you to respond promptly and avoid danger.
  • Optical sensing technology: PG-C06 adopts advanced optical sensing technology, which can quickly and accurately monitor changes in indoor carbon monoxide concentration and issue alarms, ensuring your safety to the greatest extent possible.
  • Fast response speed: Product has sensitive sensors that can detect concentration changes in the early stages of carbon monoxide production and issue alarms, allowing you to receive signals of abnormal carbon monoxide concentration in a timely manner, giving you more time to take countermeasures and effectively reduce losses.
  • Long service life: PG-C06 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 CO 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 and display screen: PG-C06 comes with a work indicator light and display screen. When the product is working normally, the indicator light will flash regularly, and the screen will also display the concentration of carbon monoxide in the air, allowing you to intuitively see the concentration of carbon monoxide in the environment you are in, avoiding the occurrence of danger.
  • Quality assurance: Product has undergone strict quality testing and is certified to meet the EN 50291 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.

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.

* 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.

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1. The prices shown may have risen since the time we last updated them.
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