If you're looking for the best mains powered smoke alarms in the UK, it's important to consider a few key factors before making your purchase. Firstly, ensure that the alarm you choose meets British Standards (BS 5839-6:2019) for fire detection and alarm systems in domestic settings. You also need to consider the size and layout of your home to determine how many alarms you need, and whether you want interlinked alarms to alert you of a potential fire from multiple rooms.
Additionally, look for smoke alarms with additional features, such as carbon monoxide detection, easy installation, and a back-up battery in case of power outages. You should also consider the lifespan of the alarm and how often it needs to be tested and replaced.
Do you want peace of mind knowing that your home and loved ones are protected from potential fires? Are you currently using battery-powered smoke alarms and want a more reliable option? Did you know that the UK government strongly recommends installing mains powered smoke alarms in domestic properties? If you're unsure of where to start, keep reading to discover the best mains powered smoke alarms in the UK and what to consider when choosing the right one for you.
10 Best Mains Powered Smoke Alarms Uk
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1
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The product is ideal for homes and buildings that want a reliable, long-lasting smoke detector with additional features.
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2
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This product is ideal for detecting smoke in homes and providing long-lasting protection with its 10-year battery life.
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3
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This product is ideal for hardwired smoke detection and easy replacement with adapter plugs.
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4
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The product is ideal for providing tamper-proof smoke and fire detection with a long-lasting, sealed battery.
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5
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Ideal for detecting smoke and carbon monoxide in homes or businesses and having a long-lasting 10-year battery.
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6
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The product is ideal for detecting smoke and providing an alarm in the event of a potential fire.
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7
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Ideal for detecting both smoke and carbon monoxide, with voice alerts and front-load battery door. Sold in packs of 2.
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8
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Ideal for detecting smoke and providing safety light for hearing impaired individuals or in hallways.
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9
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Ideal for residential and commercial spaces to detect smoke and prevent fire hazards.
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10
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The product is ideal for providing worry-free smoke detection with a pack of two alarms for added coverage.
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1. Kidde Smoke Detector, 10-Year Battery, Led Indicators, Replacement Alert, Test-Reset Button

Looking for a reliable smoke detector and carbon monoxide alarm? Look no further than this cutting-edge device that uses ionization sensor technology and electrochemical sensors to detect invisible fire particles and CO gas.
One of the best features of this smoke detector is how easy it is to install. With no wiring required, all you have to do is install the device and let it do its job. And with a 10-year lithium battery, you won't have to worry about replacing the battery anytime soon. Plus, this device is designed to detect fires even during power outages.
This smoke detector boasts a green LED light that indicates power to the device, so you can be confident that it's always working properly. And with an 85-decibel alarm and red LED light, you'll be alerted to any potential danger as soon as it's detected.
Worried about tampering? Don't be. This device features tamper-resistant technology that deters removal of the unit or battery, ensuring that it stays in place and working properly. And with a Replacement Alert function, you'll know exactly when it's time to replace the smoke detector.
In addition to its powerful detection capabilities, this smoke detector is also incredibly easy to use. The Test-Hush button lets you easily test the device and silence false alarms that might occur from cooking or shower steam.
With a UL certification and 10-year limited manufacturer warranty, you can trust that this smoke detector will keep you and your family safe for years to come. So why wait? Invest in this cutting-edge smoke detector and enjoy the peace of mind that comes with knowing that you're protected from potential fire and CO dangers.
2. Kidde Smoke Detector, 10-Year Battery, Photoelectric Sensor Smoke Alarm

The smoke detector is equipped with advanced photoelectric sensor technology that can detect visible fire particles that are typically associated with smoldering fires. This ensures that you are alerted early enough to take appropriate action and prevent fire damage.
One of the most impressive features of this smoke detector is its 10-year lithium battery, which eliminates the need for frequent battery replacements. This makes it a reliable option even during power outages.
The end of life chirp feature is also a notable aspect of this smoke detector. It alerts you when the device is approaching the end of its useful life, so you can replace it in a timely manner.
Attaching the smoke detector to the mounting bracket automatically activates it, making it easy to set up. The test-hush button makes it simple to test the device and silence false alarms caused by cooking or shower steam.
This smoke detector is UL certified, ensuring that it meets the highest safety standards. Additionally, it comes with a 10-year limited manufacturer warranty, giving you peace of mind knowing that you are covered in case of any defects or malfunctions.
3. First Alert Brk 9120lbl Hardwired Smoke Detector With Adapter Plugs For Easy Replacement , White

The First Alert smoke alarm with a 10-year battery backup is a reliable and convenient way to keep your family safe. Its ionization sensor detects smoke from fast-flaming fires and sounds an 85-decibel alarm to alert you of potential danger.
This smoke alarm is equipped with convenient adapter plugs, making it easy to replace existing hardwired alarms without needing to rewire. It can also connect to other compatible BRK or First Alert smoke alarms to ensure all alarms sound when smoke is detected.
The single test/silence button and side-load battery compartment make this smoke alarm simple to use. Tamper-resistant locking brackets and universal mounting brackets make installation easy.
Rigorously tested to meet UL standards, this smoke alarm emits a T3 pattern. First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958, according to a First Alert Brand Trust Survey in February 2018.
With the easy-to-install, most-trusted alarms in home safety, this smoke alarm provides faster turnarounds on job sites. Invest in the safety of your family with the First Alert smoke alarm with a 10-year battery backup.
4. Smartfire Tamper-Proof Alarm: Universal Security Instruments

The 2-in-1 Smoke and Fire Smart Alarm is an excellent addition to any home, providing 10 years of continuous protection against fast flaming and slow smoldering fires. It is equipped with a set of 10-year permanent power alkaline batteries, which are safer and more eco-friendly to dispose of than lithium batteries. With this smart alarm, you can rest assured that you and your family are protected against potential fire hazards for the next decade.
The smart alarm features microprocessor intelligence that virtually eliminates nuisance alarms, ensuring that any alarm you receive is a genuine warning of danger. The device is also designed to be fast and easy to install with no wiring required, making it a hassle-free addition to your home.
One of the standout features of this smart alarm is its patented Quick Find Alarm Origination, which allows you to easily locate the first alarm that sounded. This is especially useful in larger homes or apartments where multiple alarms may be installed.
In terms of specifications, the 2-in-1 Smoke and Fire Smart Alarm is highly versatile, detecting both fast flaming and slow smoldering fires. It measures 5.6 x 5.6 x 2 inches and weighs 6.4 ounces, making it compact and easy to install in any room of your home.
5. Kidde Smoke Detector & Carbon Monoxide Detector Combo With 10-Year Battery

The Smoke and Carbon Monoxide Detector Combo is a reliable device that features the convenience of two detectors in one. It is designed to alert homeowners to both smoke and fire events, as well as poisonous CO gas, all in a single device. This detector utilizes a photoelectric sensor to detect visible fire particles that are associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide.
When the device senses smoke or fire, an 85-decibel alarm will sound, and a red LED light will indicate the source of the alert. The lithium battery operation eliminates the need for battery replacement and provides reliable detection, even during power outages.
The device is equipped with a Test-Hush button that makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam. Additionally, the alarm will automatically activate when it is attached to the mounting bracket, without needing any pull tabs or switches.
The Smoke and Carbon Monoxide Detector Combo is UL Certified, ensuring the highest level of safety and protection for the homeowner. It also comes with a 10-year limited warranty on the alarm, providing long-lasting and reliable protection for your home and family.
In the event that the device reaches the end of its alarm life, it will chirp to indicate that the alarm is in need of replacement. This feature ensures that the device is always functioning optimally and providing the highest level of protection for your home.
6. First Alert 9120b Smoke Detector, Hardwired Alarm With Battery Backup, 1-Pack

This hardwired smoke alarm is a reliable way to keep your family safe. It features a battery backup, ensuring constant monitoring even during power outages. With an ionization sensor, this smoke alarm can detect smoke from fast flaming fires and alerts you with an 85-decibel alarm.
For complete protection, it is recommended to install one of these alarms on each level of your home and in each bedroom. This smoke alarm can also be connected to other compatible BRK or First Alert smoke detectors, ensuring all alarms will sound when smoke is detected.
Installation is made easy with tamper-resistant locking brackets and universal mounting brackets. The alarm has a single test/silence button, making it simple to use.
This smoke alarm has been rigorously tested to meet UL standards, and it has a 120-volt AC power with a 9V battery backup to ensure it keeps functioning during power outages.
First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958, as per a First Alert Brand Trust Survey in February 2018.
This smoke alarm is an easy-to-install, reliable choice for faster turnarounds on job sites. Invest in your family's safety with this trusted alarm.
7. Voice Alarm Combo Detector Pack – Kidde

Protect your home and family with the Smoke Detector Carbon Monoxide Detector Combo. This device features a loud 85-decibel alarm system with voice alerts that announce "Fire. Fire." or "Warning. Carbon Monoxide." The hardwired unit is connected to a 120V power source and includes a 9V backup battery for added protection. Installation is easy thanks to the front-facing battery door, which allows for quick replacement. The photoelectric smoke detector senses visible fire particles, while the electrochemical CO detector provides accurate readings.
The Hardwired Smoke Detector with Ionization Sensing Technology is an ideal choice for homeowners who want to ensure their safety. The device senses invisible fire particles and triggers an 85-decibel alarm to alert you to danger. Its whole-home detection capabilities make it easy to install one detector on each level of your home and in each bedroom. The device operates on a 120V power source and includes a 9V battery backup for use during power failures. The front-load battery door makes replacing batteries a breeze. Invest in this reliable smoke detector to protect your loved ones.
8. Safehear Smoke Detector: Hardwired, Light, Backup!

This smoke detector utilizes advanced ionization sensor technology to detect invisible fire particles, providing reliable detection of dangerous smoke or fire. It operates on a 120-volt power source and also comes equipped with a 9-volt alkaline battery, ensuring uninterrupted detection even during power outages.
In the event of dense smoke, the smoke detector illuminates a safety light to help guide you to safety. Additionally, an 85-decibel alarm sounds and a red LED light indicates that the smoke detector is sensing smoke or fire.
The smoke detector also features a convenient Test-Hush button, making it easy to test the device and silence false alarms that may occur during cooking or shower steam.
This smoke detector is UL certified and comes with a 10-year limited manufacturer warranty. With its advanced sensor technology and reliable detection capabilities, it provides peace of mind and a sense of security for you and your family.
9. Kidde Smoke Detector, 9-Volt Battery Operated, Ionization Smoke Alarm, Battery Included

Introducing the Basic Ionization Smoke Alarm – an affordable and user-friendly device that provides reliable detection of dangerous smoke or fire. This smoke alarm is powered by a 9V battery (included) and ensures protection even when the power is out.
Installation is effortless and hassle-free as this basic smoke detector requires no wiring. You can quickly mount it on the ceiling or wall and have it up and running in no time. The green LED light indicates power to the smoke detector and assures you that it is functioning correctly.
In case of a smoke or fire outbreak, the 85-decibel alarm sounds, and a red LED light flashes to indicate the smoke detector's sensing capability. You can easily test the smoke detector and silence false alarms that occur from cooking or shower steam with the Test-Hush button.
Rest assured that this smoke alarm has been UL certified, ensuring its safety and quality. It also comes with a 10-year limited manufacturer warranty, giving you peace of mind knowing that you're investing in a reliable and long-lasting product.
10. Kidde Worry-Free Smoke Alarm, 2 Pk.

The Kidde Worry-Free Smoke Alarms are an excellent addition to your home safety kit. These alarms offer dependable protection against smoke and fire hazards, ensuring your family's safety. With their long-lasting sealed-in lithium batteries, you won't have to worry about replacing batteries for the entire life of the alarms.
The smoke alarms come with advanced photoelectric sensors that can quickly detect fire particles from slow, smoldering fires. This feature makes them highly effective in alerting you to potential danger, giving you ample time to take necessary safety measures.
Installing these smoke alarms is a breeze. Once attached to the mounting brackets, they activate automatically. This feature makes them incredibly easy to use, providing you with peace of mind knowing your home is safe from potential fire hazards.
In addition to their reliable performance, these smoke alarms also come with a range of impressive features. They are designed with a low-profile, sleek look that blends seamlessly into any home decor. Additionally, they come equipped with an end-of-life warning that alerts you when it's time for a replacement.
Best Mains Powered Smoke Alarms Uk FAQs
Are there any additional features or technologies available in high-end mains powered smoke alarms?
Yes, high-end mains powered smoke alarms often come equipped with additional features and technologies that enhance their performance and functionality.
One such feature is the ability to interconnect with other smoke alarms in the home. This means that if one alarm detects smoke, all alarms in the house will sound simultaneously, providing an early warning of a potential fire.
Another feature is the inclusion of a carbon monoxide detector, which can alert residents to the presence of this deadly gas.
Some high-end smoke alarms also come with advanced sensing technologies, such as photoelectric or dual-sensor detection, which can detect smoldering fires or flames more accurately than traditional ionization sensors.
Furthermore, many high-end smoke alarms are designed with a long-lasting battery backup in case of power outages, ensuring that they remain operational during emergencies.
Overall, these additional features and technologies make high-end mains powered smoke alarms more reliable and effective in detecting potential fires and protecting residents from harm.
Are there any regulations or standards that mains powered smoke alarms need to meet in the UK?
Yes, in the UK, mains powered smoke alarms have to meet specific regulations and standards. The primary regulatory body that oversees the safety standards for smoke alarms in the UK is the British Standards Institution (BSI). The BSI has set specific criteria for mains powered smoke alarms that they must meet to be considered safe and effective. These standards include specific requirements for the alarm's sensitivity, sound output, and reliability.
In addition to the BSI, the UK government has also set specific regulations for smoke alarms in residential properties. Since 2015, it has been mandatory for landlords in England to install smoke alarms on every floor of their rental properties and carbon monoxide alarms in rooms with solid fuel appliances. These alarms must meet the British Standard BS 5839-6:2019.
Overall, homeowners and landlords should ensure that the smoke alarms they purchase and install meet the relevant safety standards and regulations in the UK to ensure they are providing adequate protection in the event of a fire.
Can mains powered smoke alarms be interconnected for better coverage?
Yes, mains powered smoke alarms can be interconnected for better coverage. Interconnecting smoke alarms means that if one alarm detects smoke or fire, all the interconnected alarms will sound an alarm simultaneously, alerting everyone in the building. This feature is especially useful in larger homes or buildings where one smoke alarm may not be enough to detect a fire in time.
To interconnect mains powered smoke alarms, they must be connected to the same circuit and wired together. This can be done by a licensed electrician or by following the manufacturer's instructions if you are comfortable doing it yourself. It's important to note that only smoke alarms of the same model and brand can be interconnected to ensure proper functionality.
Interconnected smoke alarms provide an extra layer of protection and can be life-saving in the event of a fire. It's always best to prioritize safety and ensure that smoke alarms are installed and interconnected properly.
How easy is it to install a mains powered smoke alarm in a residential property?
Installing a mains powered smoke alarm in a residential property can be relatively easy if you have some basic electrical knowledge and skills. However, if you are not confident or experienced in working with electrical wiring, it is strongly recommended to seek professional help to ensure the safety of yourself and your property.
To install a mains powered smoke alarm, you will need to turn off the power supply to the area where the alarm is to be installed. You will then need to drill a hole in the ceiling and install the alarm base using screws. Next, you will need to connect the wiring to the base and secure it in place. Finally, you can attach the alarm unit to the base and test it.
It is important to ensure that the smoke alarm is installed in the correct location, as recommended by the manufacturer, and that it is tested regularly to ensure it is working properly. Remember, smoke alarms are a crucial element in keeping you and your family safe in the event of a fire, so it is important to take the installation process seriously.
How often should mains powered smoke alarms be tested and maintained?
Mains powered smoke alarms are an essential safety feature in any home or workplace. Testing and maintaining them regularly is crucial to ensure they are working correctly and can alert you in case of a fire. As per the manufacturer's recommendation, mains-powered smoke alarms should be tested every month. This test is usually done by pressing the test button on the smoke alarm, which will activate the alarm and ensure that it is working correctly. Additionally, the battery backup of the smoke alarm should be replaced at least once a year to ensure that it is functioning correctly. It is also important to keep the smoke alarm clean and free from dust and debris to ensure that it can detect smoke accurately. Finally, mains-powered smoke alarms should be replaced every ten years to ensure that they are up to date with the latest safety standards.
How reliable are mains powered smoke alarms compared to battery-powered ones?
Both mains powered and battery-powered smoke alarms have their own advantages and disadvantages, but in terms of reliability, mains powered smoke alarms are generally considered to be more reliable than battery-powered ones.
Mains powered smoke alarms are directly connected to the electricity supply of the house and are designed to operate continuously as long as there is power. This means that they do not need to rely on batteries, which can fail or run out of power over time, and therefore offer a more consistent level of protection.
In addition, mains powered smoke alarms are usually interconnected, meaning that when one alarm detects smoke, all the alarms in the house will sound an alarm. This ensures that everyone in the house is alerted to the danger.
However, mains powered smoke alarms do require professional installation, which can be costly, and may not work during a power outage. Battery-powered smoke alarms, on the other hand, are easy to install, portable, and can still operate during a power outage, but they do require regular battery replacement to ensure their reliability.
Overall, while both types of smoke alarms can provide adequate protection, mains powered smoke alarms are generally considered to be more reliable in the long run.
What are the best mains powered smoke alarms available in the UK?
There are numerous mains powered smoke alarms available in the UK that offer reliable and advanced detection capabilities. Some of the best smoke alarms include the Nest Protect, Kidde 10LLCO, Aico EI650RF and FireAngel Pro Connected.
The Nest Protect is a smart smoke alarm that not only detects smoke and carbon monoxide but also provides alerts and notifications through a mobile app. It also has a built-in speaker that can provide voice alerts and a glowing ring that can be customized with different colours.
The Kidde 10LLCO is also a smart smoke alarm that comes with a carbon monoxide detector and can be interconnected with other alarms in your home. It also has a tamper-resistant feature and a test/reset button for easy maintenance.
The Aico EI650RF is a high-performance smoke alarm that comes with a 10-year battery backup and can be connected with other alarms through radio-frequency technology. It also has a built-in sounder that can provide early warning alerts.
The FireAngel Pro Connected is a smart smoke alarm that comes with a long-life battery and can be connected with other alarms through Bluetooth technology. It also has a self-diagnostic feature and a sleep-easy function that can silence the alarm for up to 8 hours.
Ultimately, the best smoke alarm for you will depend on your specific needs and preferences. It is recommended that you consult with a professional electrician to determine which alarm is most suitable for your home.
What are the key features to look for in a mains powered smoke alarm?
When it comes to choosing a mains powered smoke alarm, there are several key features you should look for to ensure optimal safety for your home or business.
Firstly, ensure that the alarm has a reliable power source and backup battery in case of power failure. This ensures that the alarm will still function in the event of a power outage, which could be critical in a fire emergency.
Secondly, choose an alarm with a loud and effective alarm sound that can be heard throughout the building. This is important in alerting occupants of the building to the presence of smoke or fire, giving them enough time to evacuate safely.
Thirdly, consider the sensitivity of the alarm. Choose an alarm that is sensitive enough to detect smoke and fire in its early stages, but not so sensitive that it triggers false alarms from everyday activities such as cooking.
Lastly, look for added features such as wireless interconnectivity, which allows multiple alarms to be connected and trigger simultaneously, and a hush button which allows you to silence the alarm temporarily in case of false alarms.
Overall, by considering these key features, you can ensure that you choose a mains powered smoke alarm that provides optimal safety for your home or business.
What is the average lifespan of a mains powered smoke alarm?
The average lifespan of a mains powered smoke alarm can vary depending on the manufacturer and model of the device. Generally, most manufacturers recommend replacing a smoke alarm every 8-10 years, regardless of whether it is mains powered or battery operated. However, some models may have a longer or shorter lifespan, so it is important to check the manufacturer's recommendations for your specific device.
It is also important to regularly test your smoke alarm to ensure that it is functioning properly. Most manufacturers recommend testing your smoke alarm once a month, and replacing the batteries (if battery operated) at least once a year. Additionally, it is recommended to clean your smoke alarm regularly to prevent dust and debris from interfering with its sensors.
In summary, the average lifespan of a mains powered smoke alarm is typically around 8-10 years, but it is important to check the manufacturer's recommendations for your specific device and to regularly test and maintain your smoke alarm to ensure its effectiveness.
What is the cost of a typical mains powered smoke alarm in the UK?
The cost of a typical mains powered smoke alarm in the UK can vary depending on the brand, features and retailer. On average, you can expect to pay around £20 to £50 for a mains powered smoke alarm. However, prices can range from as low as £10 for a basic model to over £100 for a more advanced system with additional features such as carbon monoxide detection and wireless interconnectivity. It is important to note that the cost of installation may also be an additional expense, as it is recommended that mains powered smoke alarms are installed by a qualified electrician. Overall, investing in a quality mains powered smoke alarm can provide peace of mind and potentially save lives in the event of a fire.