Mains Smoke Alarm
FailThe top 5 brands take 100% of clicks, so Mains Smoke Alarm is a Fail.
- Flapen Score
- 34 / 100Ranks 2,121 of 2,225 DIY & Tools niches · −15 vs the category median of 4934
- Market size
- £81K/yr102K searches / yr
- 90-day growth
- -17.0%search demand this quarter
- Competition
- 95%top-5 click share · 4 brands · 20 sellers
Flapen Score
Mains Smoke Alarm against its category
The dotted line is the DIY & Tools average. Past it, Mains Smoke Alarm is stronger. Inside it, weaker.
Market
The Mains Smoke Alarm market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Mains Smoke Alarm 102K times last year and spent an estimated £81K. All 4 brands take every click. Flapen scores it 34 out of 100, a Fail.
01 · Demand
3.6% of searches ended in a purchase last week.
Shoppers searched for this 102K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 3.6% of those searches ended in a purchase. Searches in the last 90 days moved -17.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £81K a year.
- Searches, last 12 months
- 102K
- Growth, 90 days vs prior 90
- -17.0%
- Conversion, latest week
- 3.6%
- Market size, estimated
- £81Ka year
- Peak month
- September1.7× the quietest month
- Top search term
- mains smoke alarm23K searches a year
02 · Price
A sale here is worth £21.79.
Listings sell for £21.79 on average, from £12.74 to £47.24. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 500 to 750 of them. At £21.79 that is £11K to £16K a year per listing.
- Average price
- £21.79inside the $15 to $100 sweet spot
- Price range
- £12.74–£47.24
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 500–750
- Revenue per listing a year
- £11K–£16K
- Returns
- 2.5%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
57% of listings pay for placement with sponsored ads. 86% ship with Prime. On an average day, 37.7% of listings are out of stock. The average listing ranks #39 within Safety & Security. It carries 738 reviews at 4.47 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 57%
- Prime listings
- 86%
- Out of stock, average day
- 37.7%
- Average rank
- #39in Safety & Security
- Average rating
- 4.47 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 738per listing
- Listings tracked
- 7
04 · Newcomers
Amazon counts 2 of last year's 3 launches as successful.
3 products launched here in the last 12 months. Amazon counts 2 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 56 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 56 months
Products
Top Mains Smoke Alarm products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
FireAngel SW1-R Mains Smoke Alarm for Home Interlinked Hard Wired Smoke Alarms for Home with Backup Battery Test Button and LED Indicators 1-Pack
- Price
- £13.48
- Rating
- 4.5/5
- Reviews
- 2,069
- Age
- 7y ago

BLACK+DECKER Mains Smoke Alarm. Mains Powered Smoke Detector Interlinked Wired with Battery Back Up. Optical Smoke Alarm for Home with FAST FIX Easy Install Base and Test Button. White
- Price
- £12.74
- Rating
- 4.4/5
- Reviews
- 72
- Age
- 8mo ago

Twin Pack Kidde Firex KF20 Mains Powered Optical Smoke Alarm with 9V Back Up Batteries | KF2 | 4973
- Price
- £30.57
- Rating
- 4.6/5
- Reviews
- 962
- Age
- 12y ago

Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up
- Price
- £16.82
- Rating
- 4.6/5
- Reviews
- 1,571
- Age
- 14y ago

BLACK+DECKER Smoke Alarm 2 Pack. 10 Year Lithium Battery Included Smoke Alarm for Home. Easy To Install Optical Smoke Detector Fire Alarm. With Test/Silence Button. White.
- Price
- £16.98
- Rating
- 4.4/5
- Reviews
- 176
- Age
- 8mo ago
Trending
90-day click momentum
BLACK+DECKER Mains Smoke Alarm. Mains Powered Smoke Detector Interlinked Wired with Battery Back Up. Optical Smoke Alarm for Home with FAST FIX Easy Install Base and Test Button. White
- Price
- £12.74
- Rating
- 4.4/5
- Reviews
- 72
- Age
- 8mo ago

BLACK+DECKER CONNECTED Smoke Alarm. Wireless Interlinked 10 Year Lithium Battery Smoke Alarm for Home. Easy Install Optical Smoke Detector Fire Alarm. With Test/Silence Button. White.
- Price
- £14.70
- Rating
- 4.2/5
- Reviews
- 41
- Age
- 8mo ago

BLACK+DECKER Smoke Alarm 2 Pack. 10 Year Lithium Battery Included Smoke Alarm for Home. Easy To Install Optical Smoke Detector Fire Alarm. With Test/Silence Button. White.
- Price
- £16.98
- Rating
- 4.4/5
- Reviews
- 176
- Age
- 8mo ago

Aico EI146e Set of 2 Mains Hard Wired Smoke Alarms with 9V Battery Back Up White
- Price
- £47.24
- Rating
- 4.6/5
- Reviews
- 274
- Age
- 11y ago

Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up
- Price
- £16.82
- Rating
- 4.6/5
- Reviews
- 1,571
- Age
- 14y ago
Newest
by launch date
BLACK+DECKER Mains Smoke Alarm. Mains Powered Smoke Detector Interlinked Wired with Battery Back Up. Optical Smoke Alarm for Home with FAST FIX Easy Install Base and Test Button. White
- Price
- £12.74
- Rating
- 4.4/5
- Reviews
- 72
- Age
- 8mo ago

BLACK+DECKER Smoke Alarm 2 Pack. 10 Year Lithium Battery Included Smoke Alarm for Home. Easy To Install Optical Smoke Detector Fire Alarm. With Test/Silence Button. White.
- Price
- £16.98
- Rating
- 4.4/5
- Reviews
- 176
- Age
- 8mo ago

BLACK+DECKER CONNECTED Smoke Alarm. Wireless Interlinked 10 Year Lithium Battery Smoke Alarm for Home. Easy Install Optical Smoke Detector Fire Alarm. With Test/Silence Button. White.
- Price
- £14.70
- Rating
- 4.2/5
- Reviews
- 41
- Age
- 8mo ago

FireAngel SW1-R Mains Smoke Alarm for Home Interlinked Hard Wired Smoke Alarms for Home with Backup Battery Test Button and LED Indicators 1-Pack
- Price
- £13.48
- Rating
- 4.5/5
- Reviews
- 2,069
- Age
- 7y ago

Aico EI146e Set of 2 Mains Hard Wired Smoke Alarms with 9V Battery Back Up White
- Price
- £47.24
- Rating
- 4.6/5
- Reviews
- 274
- Age
- 11y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 95% of clicks. A locked shelf that new listings rarely crack.
Brands
4 falling
Sellers
20
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
95%
Top 20: 100%
Open market
0%
- Fireangel40%
- BLACK+DECKER37%
- Kidde21%
- Aico2%
Demand
Mains Smoke Alarm search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.7×
Search terms
Top Mains Smoke Alarm search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- mains smoke alarm23K/yr
- wired smoke alarms for home15K/yr
- wired smoke alarm10K/yr
- hard wired smoke alarms for home4K/yr
- mains power smoke alarms for home4K/yr
- smoke alarm mains powered6K/yr
- mains powered smoke alarms8K/yr
- mains smoke alarms for home6K/yr
- mains fire alarm4K/yr
- smoke alarms for home mains powered4K/yr
Reviews and returns
What reviews say buyers love and hate about Mains Smoke Alarm
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
Beware of the batteries running out
there are multiple of these devices that are defective and/or have drained batteries
Arrived used and broke not working battery used box damaged
Not the cheapest
Rubbish
Poor quality
Junk - 2 units failed in 6months
Failed after 3 years :
today one of the units has died 24.06.26
relatively modest price
My only thing would be the price is high considering I can
Not the cheapest
Doesnt work
found one of the 3 just keeps going off for no reason
Not Working
Love
Quality item and easy installation
Excellent product
the build quality is solid
Easy fit
Easy to fit
Perfect fit for an exchange
Ease to install
Installation was very straightforward
Was easy to put up and very nice and compact to the old one we have had since buying the house
the cost is reasonable
Great value for money
Good price
Perfect replacement for my previous smoke alarms
I'd certainly recommend these alarms
Good smoke alarm
Return
2.5% Return rate 24% Fixable by listing
This smoke alarm is small
Slightly smaller than my previous alarms
the connection isn't made
now disconnected
Won't pair
Doesnt work
found one of the 3 just keeps going off for no reason
Not Working
Keep looking
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Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Mains Smoke Alarm questions
Answered from the same tracked data.








