Hurry, don't miss savings on selected furniture & more.* Shop all offers
2 Products
Fire Alarms: Your essential buying guide
For most living areas, an optical smoke alarm is a common choice because it is designed to detect smoke particles. Heat alarms are often better suited to kitchens, garages or dusty areas where a smoke alarm may be prone to nuisance alerts. Always match the alarm type to the room and follow the manufacturer’s siting guidance.
Battery fire alarms are usually straightforward to position and are useful where wiring is not practical. Mains-powered fire alarms are wired into the property’s electrical supply and often include battery back-up. If you are replacing an existing alarm, check the current power setup and compatibility before buying.
Interlinked fire alarms can trigger together, so if one alarm detects smoke or heat, the others sound as well. This can be useful in larger homes, multi-storey properties or buildings where an alarm in one room may not be heard clearly elsewhere.
A sealed battery fire alarm has a built-in battery that is not intended to be replaced. These models are designed to reduce the risk of the battery being removed, but the whole alarm will still need replacing at the end of its stated service life.
Placement depends on the alarm type and the layout of the property. Smoke alarms are commonly used in halls, landings and living spaces, while heat alarms are often chosen for kitchens or garages. Check the product instructions and any relevant building or rental requirements before installation.
The right fire alarm depends on where it will be fitted, how it is powered and whether you need standalone or linked protection. Comparing key features before you buy helps you avoid choosing an alarm that is unsuitable for the room or awkward to maintain.
Smoke alarms are designed for areas where smoke is the earliest likely warning sign. Optical smoke alarms are a popular option for hallways, landings, bedrooms and living areas.
Heat alarms respond to rising temperature rather than smoke, making them more suitable for kitchens, garages and other spaces where cooking fumes, steam or dust could cause unwanted alerts.
Battery fire alarms are generally simple to fit and can be a practical choice for adding protection without wiring. Look at whether the battery is replaceable or sealed, and check how the alarm indicates low battery status.
Mains-powered fire alarms may be preferred where a wired system is already in place or where a more permanent installation is required. Many include a back-up battery, but compatibility and installation requirements should be checked carefully.
Standalone alarms sound only where they are installed. They can be suitable for smaller spaces where the alarm will be heard clearly.
Interlinked alarms communicate with each other, either by wiring or wireless connection, so multiple units sound at once. This can be helpful in larger homes, loft conversions, outbuildings or properties with several floors.
A test button makes routine checks easier, while a hush or silence function can help temporarily quieten suitable nuisance alarms without removing the battery. Some models also include visual indicators or voice alerts.
If the alarm is fitted on a high ceiling, consider whether it can be tested conveniently. Multi-packs may be useful when updating several rooms at the same time, provided the alarm type suits each location.
Fire alarms are an early warning product, not a replacement for prevention, safe escape planning or appropriate fire-fighting equipment. Check alarms regularly and replace them in line with the manufacturer’s stated lifespan.
If you are reviewing household or workplace safety more broadly, it may help to compare other security and safety categories separately so each product is chosen for its specific role.
Use our barcode scanner to match products instantly to find the best prices, find products with ease using our voice search and build wish lists and your favourites at the click of a button.
