Best Smoke Detectors Deals - Top 10 in August 2025

Last Update: 02. August 2025
1
Best Choice
9.9
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
£2598 (£12.99 / count)
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2
Best Value
9.8
Liziang Electronic Co Ltd
TODAY 50% OFF!
£19.99 (£10.00 / kg) (50% 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.
Colour Brand Weight
White TEFLERON -
£999 (£5.00 / kg)
RRP: £19.99 (£10.00 / kg) -50%
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3
9.7
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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4
9.7
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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5
9.6
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
  • HIGH QUALITY MATERIAL - The exterior of our fire alarm is made of flame retardant ABS+PC material, which resists high temperature
Colour Brand Weight
- Isafenest -
£1399 (£7.00 / count)
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6
9.5
ELRO EUROPE
TODAY 4% OFF!
£20.99 (£5.25 / count) (4% 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
£2018 (£5.04 / count)
RRP: £20.99 (£5.25 / count) -4%
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7
9.4
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
£700
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8
9.3
Guangdong Isafenest Co,Ltd

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
£999
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9
9.2
Isafenest
TODAY 11% OFF!
£17.99 (£9.00 / count) (11% 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
£1599 (£8.00 / count)
Was: £17.99 (£9.00 / count) -11%
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10
9.1
V-COME Safety Technology Co., Ltd

FREE delivery**
  • Built-In 10-Year Battery: The smoke alarm includes a sealed lithium battery that provides uninterrupted 24/7 protection for 10 years, eliminating the need for frequent battery replacements.
  • Dependability & Precision: Certified by CE and UKCA, and compliant with EN 14604, this smoke alarm boasts precise smoke detection and a minimized false alarm rate. Upon sensing a potential danger, it immediately triggers an 85-decibel alarm to notify your family.
  • Automatic Self-Check: The green LED flashes once every 60 seconds to check the battery level and sensor, ensuring they are working properly. The lighting has been adjusted to a sleep-friendly level to prevent any disturbance during rest.
  • Large Button & Ultra-Thin Design: This slim smoke detector, only 28mm thick, is designed for easy installation anywhere. Test or mute the alarm with a long stick instead of a ladder, making it safer for older users who don't need to climb to confirm functionality.
  • Easy Installation: Simple installation of this smoke alarm on any wall or ceiling using the included adhesive tape or screws. It's so easy to install that anyone can do it independently.
Colour Brand Weight
White KARUOTOP -
£1299
Amazon
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* the possibly used term "best" etc. refers only to our possibly subjective personal opinion.
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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:


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.