Best Fire Alarms Deals - Top 10 in July 2025
Last Update: 08. July 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.
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 |
£2799 (£14.00 / count)
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.
FireAngel Safety Technology Ltd
TODAY 40% OFF!
£20.49 (£10.24 / count)
(40% 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 |
£1230 (£6.15 / count)
RRP: £20.49 (£10.24 / count)
-40%
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.
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)
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.
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%
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
FREE delivery**
- With easy magnetic sticker installation- 5 years battery- 5 years guarantee- test Button- 2 pack
| Colour | Brand | Weight |
| White | ELRO | 204 g |
£1699 (£8.50 / count)
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
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%
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.
Liziang Electronic Co Ltd
TODAY 25% OFF!
£19.99 (£10.00 / kg)
(25% 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 | - |
£1499 (£7.50 / kg)
RRP: £19.99 (£10.00 / kg)
-25%
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.
ELRO EUROPE
TODAY 5% OFF!
£20.99 (£5.25 / count)
(5% 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 |
£1994 (£4.98 / count)
RRP: £20.99 (£5.25 / count)
-5%
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.
FireAngel
TODAY 12% OFF!
£24.99 (£12.50 / count)
(12% DISCOUNT!)
FREE delivery**
- SMOKE DETECTORS FOR HOME: The optical smoke alarm’s sensing chamber 'sees' smoke as it enters, enabling a fast response to slow-burning fires with thick white smoke.
- FEWER NUISANCE ALARMS: The advanced optical sensor ensures the fire alarm is less prone to false alerts from cooking fumes. Avoid placing near bathrooms or kitchens.
- EASY TO FIT: Attach the removable baseplate to the ceiling. Insert the batteries, and push and twist the alarm to secure. The baseplate is identical to FireAngel smoke alarms ST-622, ST-620, and ST-750, making replacements quick and easy.
- SAFETY ASSURED: The FA6615 Fire Angel smoke alarm holds CE and UKCA marks and is certified to EN 14604:2005+AC:2008. It is suitable for domestic properties and leisure accommodation vehicles and includes a 5-year warranty.
- FIREANGEL HOME SAFETY: We offer a wide range of safety products designed to protect you and your family. Choose from smart and wireless devices, as well as standard smoke, heat, and carbon monoxide alarms.
| Colour | Brand | Weight |
| White | Fireangel | 185 g |
£2195 (£10.98 / count)
RRP: £24.99 (£12.50 / count)
-12%
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.
Status
FREE delivery**
- Low battery warning
- Test button
- Easy to install
- 85 dB alarm
- Includes 9V battery
- Packaging may vary
| Colour | Brand | Weight |
| - | Status | 160 g |
£700
* 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.
2. The actual price of the product on the seller’s site at the time of purchase will govern the sale.
3. It is not technically possible for the prices displayed above to be updated in real-time.
More information and FAQs about the featured Fire Alarms in this comparison:
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 | - |
| 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 | 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 | ELRO |
| Weight | 204 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 | 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 | TEFLERON |
| 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 | 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 | White |
| Brand | Fireangel |
| Weight | 185 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 | Status |
| Weight | 160 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 Fire Alarms:
Are you concerned about the safety of your home or workplace? Have you ever considered installing a fire alarm system? Fire alarms are crucial tools for detecting and alerting people to the presence of fire or smoke, providing valuable time for evacuation and minimizing potential damage. In this article, we will provide you with general information about fire alarms and explain why you should consider purchasing one.
A fire alarm is an electronic device designed to detect the presence of fire or smoke in a specific area. It consists of several components, including smoke detectors, heat sensors, control panels, and alarm devices such as sirens or strobe lights. When a fire or smoke is detected, the alarm system will activate and alert everyone in the building to take necessary action.
The primary purpose of fire alarms is to save lives. By providing early warning in the event of a fire, they create valuable evacuation time, especially during nighttime or when occupants are asleep. This can greatly reduce the risk of injuries or fatalities. Additionally, fire alarms can also help minimize property damage by alerting authorities promptly, allowing for a faster response to extinguish the fire.
When considering fire alarm systems, it is important to choose the right one for your specific needs. There are various types of fire alarms available, including battery-operated stand-alone models and centrally monitored systems. Stand-alone fire alarms are suitable for smaller spaces or buildings with limited budgets, while centrally monitored systems are recommended for larger buildings or businesses where continuous monitoring is necessary.
Moreover, consider the features of the fire alarm system you intend to purchase. Look for advanced features such as wireless communication, which can provide reliable communication between multiple devices and improve overall system efficiency. Additionally, some fire alarm systems have built-in carbon monoxide detectors, which can further enhance your safety by alerting you to the presence of this deadly gas.
In conclusion, fire alarms are essential safety devices that can save lives and protect your property. With their early detection capabilities, they provide crucial warning signals that allow for timely evacuation and faster response from authorities. When choosing a fire alarm system, consider factors such as the size of the area, budget, and desired features. By investing in a reliable and advanced fire alarm system, you can ensure the safety of your loved ones and give yourself peace of mind. Don't wait until it's too late – make fire safety a priority and purchase a fire alarm system today.
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