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Smoke and Carbon Monoxide Alarm

Maybe

An estimated 1.0% of orders come back. But demand is soft, at -34.9% this quarter, so Smoke and Carbon Monoxide Alarm is a Maybe.

Flapen Score
50
50 / 100
Top 43% of 2,225 DIY & Tools niches · +1 vs the category median of 49
Market size
£402K/yr183K searches / yr
90-day growth
-34.9%search demand this quarter
Competition
63%top-5 click share · 8 brands · 34 sellers

Flapen Score

Smoke and Carbon Monoxide Alarm against its category

The dotted line is the DIY & Tools average. Past it, Smoke and Carbon Monoxide Alarm is stronger. Inside it, weaker.

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Smoke and Carbon Monoxide Alarm market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Smoke and Carbon Monoxide Alarm 183K times last year and spent an estimated £402K. The top 5 brands take 92% of clicks. Demand peaks in Oct–Nov. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

An estimated 10.7% of those searches ended in a purchase.

Shoppers searched for this 183K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 10.7% of those searches ended in a purchase. Searches in the last 90 days moved -34.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £402K a year.

Searches, last 12 months
183K
Growth, 90 days vs prior 90
-34.9%
Conversion, latest week
10.7%
Market size, estimated
£402Ka year
Peak month
November2.1× the quietest month
Top search term
smoke and carbon monoxide alarm88K searches a year

02 · Price

A sale here is worth £20.60.

Listings sell for £20.60 on average, from £10.85 to £36.28. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 750 to 1,000 of them. At £20.60 that is £15K to £21K a year per listing.

Average price
£20.60inside the $15 to $100 sweet spot
Price range
£10.85–£36.28
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
15K–20K
Units per listing a year
750–1,000
Revenue per listing a year
£15K–£21K
Returns
1.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

94% of listings pay for placement with sponsored ads. 94% ship with Prime. On an average day, 1.2% of listings are out of stock. The average listing ranks #25 within Safety & Security. It carries 3,357 reviews at 4.49 stars, so a new listing needs social proof before a better product.

Sponsored listings
94%
Prime listings
94%
Out of stock, average day
1.2%
Average rank
#25in Safety & Security
Average rating
4.49 starsAmazon United Kingdom average 4.36 stars
Average reviews
3,357per listing
Listings tracked
18

04 · Newcomers

1 of last year's 3 launches cleared the first-year sales bar.

3 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 42 months on average, so the names here are settling in.

Launched, last 12 months
3
Successful launches
1Amazon's first-year sales bar
Average brand age
42 months

Products

Top Smoke and Carbon Monoxide Alarm products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 63% of clicks. Leaders hold, but buyers still shop past them.

£0£20K£40K£60K£80K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 flat

Sellers

34

Est. top-5 brand share

92%

Top 20: 100%

Est. top-5 click share

63%

Top 20: 100%

Open market

3%

  • Fireangel28%
  • X-Sense24%
  • Yezala19%
  • AEGISLINK11%
  • Kidde10%
  • Kitire5%
  • Open — no brand owns it (2 brands, 3%)

Demand

Smoke and Carbon Monoxide Alarm search demand

Weekly searches over the year, seasonality beneath. Pick a range.

5K3KSpike '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov · busiest ÷ quietest = 2.1×

Search terms

Top Smoke and Carbon Monoxide Alarm search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • smoke and carbon monoxide alarm88K/yr
  • carbon monoxide and smoke detector19K/yr
  • smoke alarm and carbon monoxide detector16K/yr
  • fire alarm and carbon monoxide detector13K/yr
  • combination smoke & carbon monoxide detectors7K/yr
  • smoke and carbon monoxide alarms for home6K/yr
  • fire and carbon monoxide alarm9K/yr
  • fire angel smoke and carbon monoxide alarms for home7K/yr
  • smoke and co2 alarm detector combined5K/yr
  • carbon monoxide and smoke alarm4K/yr

Reviews and returns

What reviews say buyers love and hate about Smoke and Carbon Monoxide Alarm

We read the reviews and the return reasons for every product selling here.

14%of positive reviews mention “Quality-Overall”
24%of negative reviews mention “Durability”
1.0%of orders come back
“Failed within 5 months”
A buyer, on “Durability”24% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

19 topics

NegativePositive

FAQ

Common Smoke and Carbon Monoxide Alarm questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data