Home Safety & Fire Protection · For Renters
Smoke & Carbon Monoxide Alarms for UK Renters
By the Nest & Yard editorial teamUpdated 2026-08-094 min read
Our pick: the FireAngel Optical Smoke Alarm 2-Pack — FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button, Replacement for FireAngel ST-622/ST-620 — the best Smoke & Carbon Monoxide Alarms we tested, from £22.16.
Protecting your home and loved ones should be a priority for every renter in the UK. Smoke and carbon monoxide alarms are vital devices, offering crucial early warning against potentially devastating fires and poisonous gas build-up. This guide explores the options available to renters looking to safeguard their tenancies, focusing on portable solutions and considerations when thinking about longer-term installations – we’ll look at some examples of alarms you can find on Amazon UK.
See the full range in Smoke & Carbon Monoxide Alarms.

#1 Pick
FireAngel Optical Smoke Alarm 2-Pack — FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button, Replacement for FireAngel ST-622/ST-620- Standalone
- 5 years
£22.16
Pros
- Twin pack covers two rooms in one purchase
- Sealed 10-year lithium battery, no replacements needed
- Test/silence button for easy false-alarm hushing
Cons
- Standalone units, no wireless interlink between the two alarms

#2 Pick
FireAngel FA6620 Optical, Battery Powered Fire/Smoke Alarm for Home, 10-Year Battery- Standalone
- 10 years
£11.98
Pros
- Sealed 10-year battery, no replacements needed
- Very high review volume backs up reliability claims
- Replacement model for the popular ST-620/ST-622 series
Cons
- Standalone unit, no wireless interlink with other alarms

#3 Pick
Kidde 10LLDCO Ten Year Life Carbon Monoxide Alarm, Digital Display with Sealed Longlife Battery- Standalone
- 10 years
£22.94
Pros
- Digital display shows live CO readings at a glance
- Sealed 10-year battery removes the need for replacements
- 10-year manufacturer warranty backs the sensor life
Cons
- Slightly pricier than a basic indicator-light CO alarm

£18.25
Pros
- Digital display shows live CO readings
- Loud 85dB alarm with test button
- Trusted long-standing safety brand
Cons
- Requires AA batteries, not sealed for 10-year life
FAQ
I’m renting – can I really install smoke alarms?
Generally, you'll need your landlord’s permission before fixing or drilling into the walls. It’s advisable to discuss this with them beforehand to avoid disputes and ensure compliance with tenancy regulations.
What if my current alarm doesn’t fit my rental property?
Consider portable carbon monoxide alarms – these don't require installation and can be placed strategically near bedrooms or areas where you spend a lot of time.
My landlord says I can’t drill, what are some alternative mounting options?
Look for battery-operated alarms with adhesive pads or magnetic mounts; these avoid any permanent fixing and won't damage the walls.
What should I check before drilling into a wall to mount an alarm?
Always locate and identify any pipes, cables, or wiring within the wall before you start drilling – this is crucial for safety and avoiding damage.
I’ve installed alarms; what happens when I move out?
Remove all alarms completely and restore the walls to their original condition as agreed with your landlord in your tenancy agreement. Leaving alarms behind could be considered a breach of your contract.
Do smoke alarms need batteries, and how often should I change them?
Most alarms use lithium batteries, which last for several years; check the manufacturer’s instructions for replacement guidance – typically every six months or when the low-battery signal sounds.
What type of smoke alarm is best for a rental property?
Ionisation alarms are generally recommended as they detect flaming fires effectively, but consider a combination smoke and carbon monoxide alarm for comprehensive protection.
How do I test my smoke and carbon monoxide alarms?
Press the test button on each alarm regularly – typically once a month – to ensure it’s functioning correctly. Refer to your alarm's manual for specific testing instructions.
What if an alarm keeps going off falsely?
Check for steam from cooking, cigarette smoke, or dust accumulation near the sensor; cleaning the alarm regularly can often resolve this issue.
Are there any regulations I should be aware of regarding fire safety in rented properties?
Tenants are responsible for taking reasonable precautions to prevent fires, and landlords have a responsibility to ensure adequate fire protection measures are in place – consult your tenancy agreement for specific details.
In depth
Before you begin installing any smoke or carbon monoxide alarms as a tenant, it’s crucial to understand your rights and responsibilities, along with the potential impact on your lease agreement. Most tenancy agreements don't explicitly state that tenants are responsible for the installation of these devices, however, landlords generally have a responsibility to ensure the property is safe for occupants. Any modifications to the property – such as drilling holes for hardwired alarms – could be considered a breach of this duty, potentially leading to disputes or deductions from your deposit. Therefore, proceed with caution and always seek clarification from your landlord if you’re unsure about anything.
When considering portable smoke and carbon monoxide detectors, prioritize models that offer flexibility and ease of relocation. Battery-operated alarms are naturally the most adaptable option, allowing you to position them strategically throughout your rental property without needing permission for wall mounts. Look for alarms with a clear battery level indicator and a loud audible alarm – ideally one exceeding the decibel requirements stipulated by UK regulations. Consider also alarms with integrated carbon monoxide detection alongside smoke, offering comprehensive protection against these common hazards. Some models feature digital displays showing the last detected event, providing valuable information if an alarm is triggered. Remember to regularly check and replace batteries as needed; a dead battery renders the entire device useless.
If you’re permitted – and have secured written agreement from your landlord – to install wired smoke alarms, careful planning is essential. Wired alarms require a mains power supply and connection to a central control panel. Before commencing any work, thoroughly inspect the area where you intend to mount the alarm, noting the location of existing wiring or pipes. Use a stud finder to accurately locate wall studs, ensuring secure mounting. If unsure about electrical safety, it’s highly advisable to enlist the help of a qualified electrician – this is especially important when dealing with potentially complex installations. Ensure the chosen alarm complies with British Standards BS 5839-1 and that the wiring meets current regulations.
Regarding what to take when moving out, prioritize items that are easily transportable and don't require permanent installation. This includes battery-operated alarms, their original packaging for potential reuse by a future tenant, and any accompanying manuals or instructions. If you’ve installed wired alarms with your landlord’s permission (and have documented proof), it’s generally best to leave these in place – ensuring they are functioning correctly before handing over the property. However, be prepared for the possibility that the new tenant may wish to remove them, and have a clear understanding of the agreement regarding their removal.
When assessing alarms for moving out, consider factors beyond just functionality. The condition of the device is paramount; ensure it’s in full working order before handing over the property to avoid disputes. Take photographs or video evidence documenting the installation process and the alarm's operational status – this provides a clear record for both you and your landlord. A fully functional alarm, properly documented, demonstrates that you have upheld your responsibility as a tenant, even if it wasn’t explicitly stated in the lease agreement.
Beyond individual alarms, consider a comprehensive approach to fire safety within your rental property. While not directly related to installation, having a well-maintained smoke detector and understanding escape routes are vital. Familiarize yourself with the location of emergency exits and fire extinguishers, and ensure you know the procedures for raising an alarm in case of fire. Regularly check that all existing fire precautions – such as fire blankets or portable extinguishers – are present and serviceable.
Finally, remember that your primary responsibility as a tenant is to ensure your own safety. While complying with your landlord’s requirements regarding smoke and carbon monoxide alarms is important, it shouldn't compromise your ability to choose the most suitable solution for your needs and circumstances. Prioritize models offering reliable protection, ease of use, and portability – ensuring you can confidently safeguard yourself and your belongings within your rental property. Document everything thoroughly, maintain open communication with your landlord, and always prioritize safety above all else.
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.