Heat Alarm
FailThe top 5 brands take 100% of clicks, so Heat Alarm is a Fail.
- Flapen Score
- 32 / 100Ranks 2,167 of 2,225 DIY & Tools niches · −17 vs the category median of 4932
- Market size
- £109K/yr70K searches / yr
- 90-day growth
- -19.5%search demand this quarter
- Competition
- 96%top-5 click share · 4 brands · 15 sellers
Flapen Score
Heat Alarm against its category
The dotted line is the DIY & Tools average. Past it, Heat Alarm is stronger. Inside it, weaker.
Market
The Heat Alarm market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Heat Alarm 70K times last year and spent an estimated £109K. All 4 brands take every click. Flapen scores it 32 out of 100, a Fail.
01 · Demand
An estimated 13.0% of those searches ended in a purchase.
Shoppers searched for this 70K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 13.0% of those searches ended in a purchase. Searches in the last 90 days moved -19.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £109K a year.
- Searches, last 12 months
- 70K
- Growth, 90 days vs prior 90
- -19.5%
- Conversion, latest week
- 13.0%
- Market size, estimated
- £109Ka year
- Peak month
- January1.5× the quietest month
- Top search term
- heat alarm for kitchen20K searches a year
02 · Price
A sale here is worth £12.00.
Listings sell for £12.00 on average, from £10.85 to £13.44. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 1,500 to 2,000 of them. At £12.00 that is £18K to £24K a year per listing.
- Average price
- £12.00under the $15 to $100 sweet spot
- Price range
- £10.85–£13.44
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 1,500–2,000
- Revenue per listing a year
- £18K–£24K
- Returns
- 1.8%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #40 within Safety & Security. It carries 2,358 reviews at 4.55 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #40in Safety & Security
- Average rating
- 4.55 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 2,358per listing
- Listings tracked
- 6
04 · Newcomers
3 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 51 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 51 months
Products
Top Heat 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
FireAngel FA6720-R Heat Alarm for Kitchen with 10 Year Battery Heat Detector for Kitchen Fire Alarm for Home FireAngel HT-630 Replacement 1-Pack
- Price
- £12.52
- Rating
- 4.6/5
- Reviews
- 858
- Age
- 4y ago

BLACK+DECKER Kitchen Heat Alarm.10 Year Battery Life With Built In Lithium Battery. Easy To Install Heat Alarm For Home. Simple To Fit Detector Sensor
- Price
- £11.42
- Rating
- 4.3/5
- Reviews
- 43
- Age
- 8mo ago

X-Sense Heat Alarm with 10-Year Sealed Battery LED indicator & Silence Button Fast and Accurate Heat Detection Protect Your Home XH02 1-Pack
- Price
- £11.68
- Rating
- 4.7/5
- Reviews
- 174
- Age
- 12mo ago

Heat Alarm 10-Years Sealed Battery Heat Detector for Kitchen Heat Alarm for Kitchen Can Mute Remotely Big Mute/Test Button Heat Detector for Kitchen Conforms to BS 5446 (Standalone Heat Alarm)
- Price
- £13.44
- Rating
- 4.5/5
- Reviews
- 388
- Age
- 2y ago

BLACK+DECKER Multi-Sensor Smoke And Heat Alarm. Battery Powered With 10 Year Battery Included. Easy To Install Smoke Detector Fire Alarm. Smoke Alarms for Home.
- Price
- £12.10
- Rating
- 4.9/5
- Reviews
- 52
- Age
- 8mo ago
Trending
estimated 90-day click momentum
BLACK+DECKER Multi-Sensor Smoke And Heat Alarm. Battery Powered With 10 Year Battery Included. Easy To Install Smoke Detector Fire Alarm. Smoke Alarms for Home.
- Price
- £12.10
- Rating
- 4.9/5
- Reviews
- 52
- Age
- 8mo ago

BLACK+DECKER Kitchen Heat Alarm.10 Year Battery Life With Built In Lithium Battery. Easy To Install Heat Alarm For Home. Simple To Fit Detector Sensor
- Price
- £11.42
- Rating
- 4.3/5
- Reviews
- 43
- Age
- 8mo ago

X-Sense Heat Alarm with 10-Year Sealed Battery LED indicator & Silence Button Fast and Accurate Heat Detection Protect Your Home XH02 1-Pack
- Price
- £11.68
- Rating
- 4.7/5
- Reviews
- 174
- Age
- 12mo ago

FireAngel Optical Smoke Alarm - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White
- Price
- £10.85
- Rating
- 4.3/5
- Reviews
- 12,634
- Age
- 4y ago

Heat Alarm 10-Years Sealed Battery Heat Detector for Kitchen Heat Alarm for Kitchen Can Mute Remotely Big Mute/Test Button Heat Detector for Kitchen Conforms to BS 5446 (Standalone Heat Alarm)
- Price
- £13.44
- Rating
- 4.5/5
- Reviews
- 388
- Age
- 2y ago
Newest
by launch date
BLACK+DECKER Kitchen Heat Alarm.10 Year Battery Life With Built In Lithium Battery. Easy To Install Heat Alarm For Home. Simple To Fit Detector Sensor
- Price
- £11.42
- Rating
- 4.3/5
- Reviews
- 43
- Age
- 8mo ago

BLACK+DECKER Multi-Sensor Smoke And Heat Alarm. Battery Powered With 10 Year Battery Included. Easy To Install Smoke Detector Fire Alarm. Smoke Alarms for Home.
- Price
- £12.10
- Rating
- 4.9/5
- Reviews
- 52
- Age
- 8mo ago

X-Sense Heat Alarm with 10-Year Sealed Battery LED indicator & Silence Button Fast and Accurate Heat Detection Protect Your Home XH02 1-Pack
- Price
- £11.68
- Rating
- 4.7/5
- Reviews
- 174
- Age
- 12mo ago

Heat Alarm 10-Years Sealed Battery Heat Detector for Kitchen Heat Alarm for Kitchen Can Mute Remotely Big Mute/Test Button Heat Detector for Kitchen Conforms to BS 5446 (Standalone Heat Alarm)
- Price
- £13.44
- Rating
- 4.5/5
- Reviews
- 388
- Age
- 2y ago

FireAngel FA6720-R Heat Alarm for Kitchen with 10 Year Battery Heat Detector for Kitchen Fire Alarm for Home FireAngel HT-630 Replacement 1-Pack
- Price
- £12.52
- Rating
- 4.6/5
- Reviews
- 858
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 96% of clicks. A locked shelf that new listings rarely crack.
Brands
4 falling
Sellers
15
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
96%
Top 20: 100%
Open market
0%
- Fireangel54%
- BLACK+DECKER25%
- X-Sense12%
- WISUALARM10%
- Open — no brand owns it (0%)
Demand
Heat Alarm search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Heat Alarm search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- heat alarm for kitchen20K/yr
- heat alarm18K/yr
- heat detector for kitchen11K/yr
- heat detector10K/yr
- fire angel heat alarm3K/yr
- heat detector alarm3K/yr
- heat sensor3K/yr
- fireangel heat alarm3K/yr
Reviews and returns
What reviews say buyers love and hate about Heat Alarm
We read the reviews and the return reasons for every product selling here.
“Failed within two years”
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 Heat 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








