Best Smoke Alarms Deals - Top 10 in November 2025

Last Update: 06. November 2025
1
Best Choice
10.0
Daytech

FREE delivery**
  • 【10 Year Battery Smoke Detector】This smoke detector is equipped with a sealed lithium battery with a 10-year battery life, providing more durable fire protection and permanent 24/7 safety, compared to AA or 9V batteries that need to be replaced every 1-3 years
Colour Brand Weight
- DAYTECH 210 g
£5357 (£13.39 / kg)
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2
Best Value
9.9
FireAngel Safety Technology Ltd
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.
Colour Brand Weight
White Fireangel 113 g
£1200 (£6.00 / count)
RRP: £20.49 (£10.24 / count) -41%
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3
9.9
X-Sense
TODAY 12% OFF!
£16.99 (12% 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
Colour Brand Weight
White X-Sense 178 g
£1499
RRP: £16.99 -12%
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4
9.8
FireAngel

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.
Colour Brand Weight
White Fireangel 138 g
£2099 (£10.50 / count)
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5
9.7
Daytech

FREE delivery**
  • 【10 Year Battery Smoke Detector】This smoke detector is equipped with a sealed lithium battery with a 10-year battery life, providing more durable fire protection and permanent 24/7 safety, compared to AA or 9V batteries that need to be replaced every 1-3 years
Colour Brand Weight
- DAYTECH 150 g
£1718 (£5.73 / kg)
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6
9.7
Filotimo

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!
Colour Brand Weight
White Filotimo 160 g
£1299
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7
9.6
Mercury

FREE delivery**
  • Simple and easy test button notifies that your home smoke alarm is fully operational with a vocal alert
  • UK certified safety Smoke detectors | smoke alarms save lives and put your mind at ease
  • Battery and fixings are included | mounting materials and 9V battery are included with this home fire alarm
  • Large hush button Reduce your smoke alarms sensitivity for a ten minute period with one simple button press on this smoke alarm for homes
  • Photoelectric technology optical sensing of smoke is detected with speed, it enters the alarm chamber, Providing a quick reaction to slow burning fires
  • Visual and audible | With the Mercury battery smoke alarm you have alerts both audible and visual
Colour Brand Weight
White MERCURY 136 g
£749
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8
9.5
Status

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.
Colour Brand Weight
- Status 160 g
£697
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9
9.4
Smartwares

FREE delivery**
  • STAY ALERT TO FIRE HAZARDS: this pack of 4 Smartwares 10.100.41 smoke detectors keeps you alerted to any fire outbreaks, Install one on each floor, ensuring you can hear the alarm throughout the house.
  • MEETS EUROPEAN SAFETY STANDARDS: these smoke detectors comply with all European safety standards, They need replacement after 10 years from installation, Test their function monthly using the test button.
  • HIGH-SENSITIVITY PHOTOELECTRIC SENSORS: each Smartwares smoke detector features highly sensitive photoelectric (optical) sensors, offering early warnings and effective detection, even in smouldering fires, with fewer false alarms.
  • REPLACEABLE BATTERY WITH LOW-BATTERY INDICATOR: each smoke detector uses a replaceable 6F22 battery, with an indicator that alerts you when the battery is low.
  • LOUD 85 DB ALARM WITH SILENCE FUNCTION: when a fire is detected, an 85 dB alarm sounds, A test/silence button allows you to temporarily silence the alarm in case of a false alarm.
Colour Brand Weight
White Smartwares 520 g
£2499 (£6.25 / count)
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10
9.3
Kidde

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
Colour Brand Weight
White Kidde 420 g
£2490
Amazon
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More information and FAQs about the featured Smoke Alarms in this comparison:


General information you should know about Smoke Alarms:


Smoke alarms are an essential part of every home's safety equipment. They are designed to detect the presence of smoke in the air and alert occupants to potential fire hazards. These devices can save lives by providing early warning signs and giving people ample time to evacuate the premises or call for help. Considering the importance of smoke alarms, it is crucial to choose the right one for your home. In this article, we will provide a general overview of smoke alarms, their types, and some key factors to consider when purchasing one. Furthermore, we will mention a popular product comparison website that can assist you in finding the perfect smoke alarm for your needs.

Smoke alarms come in various types, including ionization alarms, photoelectric alarms, and dual-sensor alarms. Ionization alarms are highly effective at detecting flaming fires, while photoelectric alarms are best at detecting smoldering fires. Dual-sensor alarms combine both techniques for maximum detection capabilities. It is recommended to have a combination of these alarms throughout your home for comprehensive fire detection.

When purchasing a smoke alarm, it is important to consider a few factors. Firstly, look for a smoke alarm that has been tested and approved by recognized safety organizations such as UL (Underwriters Laboratories) or CSA (Canadian Standards Association). This ensures that the device meets industry standards and is reliable. Additionally, consider the power source of the smoke alarm. Battery-powered alarms are easy to install and maintain, while hardwired alarms are connected to the electrical system of the house and often come with backup batteries.

Another important feature to consider is the interconnectivity of the smoke alarms. Interconnected alarms communicate with each other, so when one alarm goes off, all the interconnected alarms in the house will also sound. This is especially useful if you have a larger home or multiple levels, as it ensures that everyone can hear the alarm regardless of their location. Some smoke alarms also come with additional features like carbon monoxide detection or voice alerts, which can provide an extra layer of safety.

To make the process of choosing the right smoke alarm easier, you can visit product comparison websites like XYZ.com. These platforms provide in-depth analysis and comparison of various smoke alarms available in the market. They consider factors like price, features, customer reviews, and overall performance to help you make an informed decision. By using such a platform, you can save time and effort in researching different smoke alarms individually and find the one that suits your needs and budget.

In conclusion, smoke alarms are vital for every household's safety. They can provide early warnings in the event of a fire, giving you and your loved ones precious time to evacuate. When purchasing a smoke alarm, consider factors such as alarm type, power source, interconnectivity, and additional features. Utilizing a product comparison website can be highly beneficial in finding the perfect smoke alarm for your home. Invest in a reliable smoke alarm today and prioritize the safety of your family and property.