Smoke and Carbon Monoxide Alarm
MaybeAn 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 / 100Top 43% of 2,225 DIY & Tools niches · +1 vs the category median of 4950
- 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.
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.
Top sellers
by estimated 90-day click share
X-Sense Combination Smoke and Carbon Monoxide Alarm with LCD Display & 10-Year Battery Smoke Alarm for Home Compliant with EN 14604 and EN 50291 Standards SC07
- Price
- £21.68
- Rating
- 4.6/5
- Reviews
- 5,992
- Age
- 6y ago

FireAngel Combination Smoke and Carbon Monoxide Alarm for Home - SCB10-R 10 Year Life Dual Carbon Monoxide Detector and Smoke Alarm with Test and Hush Button - Combined CO and Fire Alarm - White
- Price
- £23.28
- Rating
- 4.4/5
- Reviews
- 1,339
- Age
- 7y ago

Smoke & Carbon Monoxide Alarm with Digital LCD Display Combination Smoke Alarm and Carbon Monoxide Detector Replaceable Battery Smoke and CO Alarm for Your Home Garage Office
- Price
- £13.08
- Rating
- 4.4/5
- Reviews
- 216
- Age
- 1y ago

Smoke & Carbon Monoxide Alarm with Digital LCD Display AEGISLINK Combination Smoke and CO Alarm Detector with 10-Year Lifespan & Replaceable Battery and Test/Silence Button SC200
- Price
- £17.55
- Rating
- 4.6/5
- Reviews
- 3,074
- Age
- 3y ago

X-Sense Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts Smoke Alarm for Home with Replaceable Battery XP0A-SR 1-Pack
- Price
- £20.13
- Rating
- 4.6/5
- Reviews
- 335
- Age
- 2y ago
Trending
estimated 90-day click momentum
2 Packs Smoke & Carbon Monoxide Alarm Replaceable Battery LCD Digital Display 85dB Loud Siren Hush & Self-Test Dual Sensor Fire CO Detector for Home Bedroom Garage Office
- Price
- £31.57
- Rating
- 4.4/5
- Reviews
- 32
- Age
- 4mo ago

Smoke and Carbon Monoxide Alarm Dual Sensor Combination Smoke CO Detector with Digital Display & Replaceable Battery 85dB Loud Alarm for Home Garage Office RV
- Price
- £17.38
- Rating
- 4.6/5
- Reviews
- 647
- Age
- 5mo ago

Kidde K10SCO Combination Smoke & CO Alarm with Voice Notification
- Price
- £20.26
- Rating
- 4.4/5
- Reviews
- 287
- Age
- 2y ago

Smoke Alarms for Home 10-Year Battery Smoke Alarm Fire Alarm with Test/Silence Button Smoke Detector Certificated by TUV Conforms to EN14604 Standard (2pcs)
- Price
- £16.59
- Rating
- 4.5/5
- Reviews
- 694
- Age
- 2y ago

X-Sense Wi-Fi Combination Smoke Alarm and Carbon Monoxide Alarm with Replaceable Battery Smart Fire Alarm Compatible with X-Sense Home Security App SC07-WX 1-Pack
- Price
- £30.35
- Rating
- 4.6/5
- Reviews
- 5,992
- Age
- 2y ago
Newest
by launch date
2 Packs Smoke & Carbon Monoxide Alarm Replaceable Battery LCD Digital Display 85dB Loud Siren Hush & Self-Test Dual Sensor Fire CO Detector for Home Bedroom Garage Office
- Price
- £31.57
- Rating
- 4.4/5
- Reviews
- 32
- Age
- 4mo ago

Smoke and Carbon Monoxide Alarm Dual Sensor Combination Smoke CO Detector with Digital Display & Replaceable Battery 85dB Loud Alarm for Home Garage Office RV
- Price
- £17.38
- Rating
- 4.6/5
- Reviews
- 647
- Age
- 5mo ago

FireAngel Smoke & Carbon Monoxide Alarm SB1-R Battery Smoke Alarm for Home & FA6813 Portable Carbon Monoxide Detector Caravan CO & Fire Monitor Set
- Price
- £22.80
- Rating
- 4.7/5
- Reviews
- 9,145
- Age
- 10mo ago

2PACK 2-in 1 Smoke and Carbon Monoxide Detector Powered by Battery with Digital Display Dual Sensor Smoke and Carbon Monoxide Alarm Detector Easy to Instal
- Price
- £23.27
- Rating
- 4.2/5
- Reviews
- 42
- Age
- 1y ago

Smoke & Carbon Monoxide Alarm with Digital LCD Display Combination Smoke Alarm and Carbon Monoxide Detector Replaceable Battery Smoke and CO Alarm for Your Home Garage Office
- Price
- £13.08
- Rating
- 4.4/5
- Reviews
- 216
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 63% of clicks. Leaders hold, but buyers still shop past them.
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.
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.
“Failed within 5 months”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
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








