Best Smoke Alarms Deals Online in the UK (10 Deals Found)

Last Updated - 16/12/2025 Sort By:

Best Choice
Fireangel

New
FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replaceme
SMOKE DETECTORS FOR HOME: The optical smoke alarm makes protecting your home simple. Its optical sensing chamber 'sees'

£20.79
25% Off
TEFLERON

New
2 Pack Smoke Alarms for Home – 10-Year Life Fire Alarms with 5-Year Replaceable Battery, EN14604 Certified Photoelectric
🏡 Advanced Optical Detection for Rapid Response || Safeguard your family with this 2 pack smoke alarm for home, featuri

£14.99 £19.99
SECAIR

New
1 Pack Fire Alarms with 9V Replaceable Battery Smoke Detector Battery Operated Conforms to EN 14604 Standard Small Size
Smoke alarm with advanced sensors, it can detect even the smallest traces of smoke quickly. This gives you an early warn

£9.00
40% Off
X-Sense

New
X-Sense Smoke Alarm for Home, 10-Year Battery Fire Alarm, LED Indicator & Silence Button, Smoke Detector Battery Operate
Sensitive & Intelligent: The state-of-the-art photoelectric sensor, combined with an advanced intelligent chipset, this

£17.95 £29.99
Best Value
MEEHHEY

New
Smoke Alarms for Home, Smoke Alarm with 10 Years Life, Optical Fire Alarms for Home with LED Indicator and 80dB Audible,
Wide monitoring range: Smoke alarm can cover a wide area, ensuring timely detection of smoke in the event of a fire, all

£14.98 £69.99
Fireangel

New
FireAngel SB1-R Smoke Alarm - Toast Proof, Optical Smoke Alarms for Home with Replaceable Battery and Test/Silence Butto
EARLY WARNING SMOKE DETECTOR: The optical smoke alarm makes protecting your home simple. The optical smoke sensing chamb

£12.00
MEEHHEY

New
MEEHHEY Smoke Alarms for Home, Smoke Alarm with 10 Years Life, Optical Fire Alarms for Home with LED Indicator and 80dB
Wide monitoring range: Smoke alarm can cover a wide area, ensuring timely detection of smoke in the event of a fire, all

£69.99
31% Off
WISUALARM

New
Smoke Alarms for Home, 10-Year Battery, Smoke Alarm, Fire Alarm with Test/Silence Button, Smoke Detector Certificated by
LONG-LASTING POWER: Features a sealed 10-year battery that eliminates the need for frequent battery changes whilst provi

£8.94 £12.99
45% Off
X-Sense

New
X-Sense Smoke Alarm for Home, 10-Year Battery Fire Alarm, LED Indicator & Silence Button, Smoke Detector Battery Operate
Sensitive & Intelligent: The state-of-the-art photoelectric sensor, combined with an advanced intelligent chipset, this

£9.41 £16.99
DETA

New
Deta 1163 Optical Smoke Alarm 240V with 9V Replaceable Battery Back Up (White)
Optical (photoelectric) smoke alarm - less prone to false alarms. Alarm volume >89dB(A) @ 3m. Silence / hush button

£30.49

10 Smoke Alarms deals are available from: Amazon stores, starting from £8.94.
The biggest discount we found is 79% on Smoke Alarms for Home, Smoke Alarm with 10 Years Life, Optical Fire Alarms for Home with LED Indicator and 80dB Audible, Smoke Detector Supplied with Fixing Kit Fully Certified White at Amazon.
The lowest price we found is £8.94 while the highest is £69.99.
Prices for the best Smoke Alarms deals average at £20.85.
Last updated on December 16, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Smoke Alarms.