Best Smoke Detectors Deals - Top 10 in September 2025
Last Update: 15. September 2025
1
Best Choice
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.
X-Sense
TODAY 11% OFF!
£35.99
(11% DISCOUNT!)
FREE delivery**
- 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
| Colour | Brand | Weight |
| 1-pack | X-Sense | 320 g |
£3199
RRP: £35.99
-11%
2
Best Value
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.
X-Sense
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
| Colour | Brand | Weight |
| White | X-Sense | 178 g |
£941
RRP: £16.99
-45%
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.
FireAngel
TODAY 20% OFF!
£23.79 (£11.90 / count)
(20% DISCOUNT!)
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 |
£1900 (£9.50 / count)
Was: £23.79 (£11.90 / count)
-20%
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.
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%
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.
ELRO EUROPE
TODAY 18% OFF!
£20.99 (£5.25 / count)
(18% DISCOUNT!)
FREE delivery**
- 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.
| Colour | Brand | Weight |
| White | ELRO | 264 g |
£1715 (£4.29 / count)
RRP: £20.99 (£5.25 / count)
-18%
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.
Isafenest
FREE delivery**
- 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
| Colour | Brand | Weight |
| - | Isafenest | - |
£1399 (£7.00 / count)
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.
Isafenest
TODAY 19% OFF!
£15.99 (£8.00 / count)
(19% DISCOUNT!)
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.
| Colour | Brand | Weight |
| White | Isafenest | 180 g |
£1296 (£6.48 / count)
Was: £15.99 (£8.00 / count)
-19%
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.
Guangdong Isafenest Co,Ltd
TODAY 28% OFF!
£9.99
(28% DISCOUNT!)
FREE delivery**
- LONG LIFESPAN - The fire alarms for home are manufactured in accordance with EN14604 standards and have a service life of up to 10 years. Equipped with a 5-year replaceable 9V battery. You can replace the battery themselves when power is depleted
- 85dB LOUD ALARM - This fire alarm for home features an 85dB alarm with a 20-40 m² detection range. Includes red LED indicator light. Continuous alarm until smoke disperses or Test/Silent button is activated
- EASY-TO-INSTALL BATTERY SMOKE DETECTOR - No wiring required. All accessories included. Wall/ceiling mountable design for apartments, dormitories, or hotels
- AUTO-CHECK SMOKE DETECTOR - Performs 30-second self-test with red LED flashes. Alerts via beeping and flashing light for abnormalities. Ensures 24/7 safety monitoring
- DUST-PROOF DESIGN & FLAME-RETARDANT MATERIALS - Built with high-temperature resistant components (operating range: -10°C to 55°C). Reduces false alarms through advanced air intake filtration system. Maintenance: Test monthly. Clean dust biannually with soft brush
| Colour | Brand | Weight |
| White | ZYTA | 125 g |
£721
Was: £9.99
-28%
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.
Kidde
FREE delivery**
- 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
| Colour | Brand | Weight |
| White | Kidde | 420 g |
£2490
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.
Kidde
FREE delivery**
- New optical smoke detection technology identifies smoke particles more accurately than its predecessors, reducing nuisance alarms
- Equipped with a "hush" control feature, enabling temporary silencing of nuisance alarms
- Mesh bug screen around alarm sensor significantly reduces false alarms
- Designed for wall mounting or free standing - supplied with fixings; 2 x screws and 2 x wall plugs (no wiring required)
- Featuring a simple test and reset button and 3 colour LED function for indications
- Audio and visual alerts indicate low battery & end of product life warning - silencable for 24 hours at a time
- Sleek & compact – Dimensions (HxDia): 36 x 102mm
- 9V Carbon Zinc battery included
- 5 Year Exclusive Warranty
- TUV certified to EN 14604:2005 and CE marked
| Colour | Brand | Weight |
| White | Kidde | 127 g |
£1199
* the possibly used term "best" etc. refers only to our possibly subjective personal opinion.
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Disclaimer:
1. The prices shown may have risen since the time we last updated them.
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3. It is not technically possible for the prices displayed above to be updated in real-time.
More information and FAQs about the featured Smoke Detectors in this comparison:
Technical Details
| Colour | 1-pack |
| Brand | X-Sense |
| Weight | 320 g |
Our editorial team is currently working on a detailed test of this product. Please check back in a few days.
Technical Details
| Colour | White |
| Brand | X-Sense |
| Weight | 178 g |
Our editorial team is currently working on a detailed test of this product. Please check back in a few days.
Technical Details
| Colour | White |
| Brand | Fireangel |
| Weight | 138 g |
Our editorial team is currently working on a detailed test of this product. Please check back in a few days.
Technical Details
| Colour | White |
| Brand | Fireangel |
| Weight | 113 g |
Our editorial team is currently working on a detailed test of this product. Please check back in a few days.
Technical Details
| Colour | White |
| Brand | ELRO |
| Weight | 264 g |
Our editorial team is currently working on a detailed test of this product. Please check back in a few days.
Technical Details
| Colour | - |
| Brand | Isafenest |
| Weight | - |
Our editorial team is currently working on a detailed test of this product. Please check back in a few days.
Technical Details
| Colour | White |
| Brand | Isafenest |
| Weight | 180 g |
Our editorial team is currently working on a detailed test of this product. Please check back in a few days.
Technical Details
| Colour | White |
| Brand | ZYTA |
| Weight | 125 g |
Our editorial team is currently working on a detailed test of this product. Please check back in a few days.
Technical Details
| Colour | White |
| Brand | Kidde |
| Weight | 420 g |
Our editorial team is currently working on a detailed test of this product. Please check back in a few days.
Technical Details
| Colour | White |
| Brand | Kidde |
| Weight | 127 g |
Our editorial team is currently working on a detailed test of this product. Please check back in a few days.
General information you should know about Smoke Detectors:
Smoke detectors play a crucial role in ensuring the safety of our homes and loved ones. These devices are designed to detect the presence of smoke in the air and provide an early warning of a possible fire. With the wide variety of smoke detectors available in the market, it is important to compare their features to make an informed decision and choose the one that suits your needs.
Firstly, it is essential to understand the different types of smoke detectors available. The two main types are ionization smoke detectors and photoelectric smoke detectors. Ionization detectors are more responsive to flaming fires, while photoelectric detectors are better at detecting smoldering fires. Some detectors combine both technologies to provide maximum protection against all types of fires.
Another factor to consider when comparing smoke detectors is their power source. While most detectors are powered by batteries, some models offer the option of being hardwired to the electrical system of the house. Hardwired detectors are generally considered more reliable as they do not rely solely on battery power, which can run out unexpectedly.
One important feature to look for in a smoke detector is the presence of additional sensors. Some advanced models include carbon monoxide (CO) detectors along with smoke detection capabilities. This is extremely beneficial since carbon monoxide is a colorless and odorless gas that can be deadly if undetected. Investing in a smoke detector that also detects carbon monoxide ensures comprehensive protection for your home.
Connectivity is another aspect to consider. Many smoke detectors now offer wireless connectivity, enabling them to communicate with each other and with your smartphone. This allows for a more interconnected home safety system, as all detectors will sound an alarm if one detects smoke. Additionally, receiving notifications on your smartphone can provide peace of mind, especially when you are away from home.
Lastly, it is crucial to ensure the smoke detector you choose complies with safety standards and regulations. Look for detectors that meet the requirements of recognized safety organizations such as Underwriters Laboratories (UL) or the International Electrotechnical Commission (IEC). These certifications ensure that the product has undergone rigorous testing and meets quality standards.
In conclusion, comparing smoke detectors based on their types, power source, additional sensors, connectivity, and compliance with safety standards is essential to make an informed purchasing decision. Investing in a high-quality smoke detector is a crucial step towards safeguarding your home and loved ones from the dangers of fire. Remember, prevention is always better than cure, so don't delay in purchasing a reliable smoke detector for your home.
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