Radon Detector
FailShoppers spend an estimated $15K a year here, so Radon Detector is a Fail.
- Flapen Score
- 35 / 100Ranks 2,091 of 2,225 DIY & Tools niches · −14 vs the category median of 4935
- Market size
- £15K/yr27K searches / yr
- 90-day growth
- -32.6%search demand this quarter
- Competition
- 55%top-5 click share · 9 brands · 44 sellers
Flapen Score
Radon Detector against its category
The dotted line is the DIY & Tools average. Past it, Radon Detector is stronger. Inside it, weaker.
Market
The Radon Detector market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Radon Detector 27K times last year and spent an estimated £15K. The top 5 brands take 93% of clicks. Demand peaks in Oct–Nov. Flapen scores it 35 out of 100, a Fail.
01 · Demand
An estimated 0.7% of those searches ended in a purchase.
Shoppers searched for this 27K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 0.7% of those searches ended in a purchase. Searches in the last 90 days moved -32.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £15K a year.
- Searches, last 12 months
- 27K
- Growth, 90 days vs prior 90
- -32.6%
- Conversion, latest week
- 0.7%
- Market size, estimated
- £15Ka year
- Peak month
- November1.9× the quietest month
- Top search term
- radon detector15K searches a year
02 · Price
A sale here is worth £79.60.
Listings sell for £79.60 on average, from £14.86 to £157.13. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At £79.60 that is £0 to £8K a year per listing.
- Average price
- £79.60inside the $15 to $100 sweet spot
- Price range
- £14.86–£157.13
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 500–750
- Units per listing a year
- 0–100
- Revenue per listing a year
- £0–£8K
- Returns
- 3.8%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
72% of listings pay for placement with sponsored ads. 78% ship with Prime. On an average day, 18.9% of listings are out of stock. The average listing ranks #77 within Measuring & Layout Tools. It carries 912 reviews at 4.13 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 72%
- Prime listings
- 78%
- Out of stock, average day
- 18.9%
- Average rank
- #77in Measuring & Layout Tools
- Average rating
- 4.13 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 912per listing
- Listings tracked
- 18
04 · Newcomers
0 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 36 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 36 months
Products
Top Radon Detector 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
Radon Detector by Forensics | Tenants and Homeowners | 20-Year Sensor Life |
- Price
- £66.44
- Rating
- 4.4/5
- Reviews
- 143
- Age
- 1y ago

Airthings 2960 View Plus - Radon and Air Quality Monitor with PM 2.5 CO2 VOC Humidity and Temperature Detector Mobile APP Wi-Fi Notifications
- Price
- £157.13
- Rating
- 4.1/5
- Reviews
- 1,855
- Age
- 5y ago

Air Quality Monitor Radon Detector LCD Large Screen with Intuitive Color-coded System Air Quality Monitor Indoor for Greenhouses Agricultural Production Warehouses (White)
- Price
- £16.23
- Rating
- 2.5/5
- Reviews
- 2
- Age
- 1y ago

Airthings Wave Radon - Smart Radon Detector with Humidity and Temperature Monitor Accurate and Easy to Use Cable-Free - 2950
- Price
- £88.22
- Rating
- 4.4/5
- Reviews
- 2,500
- Age
- 6y ago

EPA-Approved Radon Test Kit for Home Lab Fee Included - 48-Hour Short Term Radon Detector with Pro Lab Report in 3-5 Days - Just Expose Radon Tester Apply Postage + Mail & Get Radon Testing Results
- Price
- £26.09
- Rating
- 4.3/5
- Reviews
- 107
- Age
- 11mo ago
Trending
estimated 90-day click momentum
Air Quality Monitor Radon Detector LCD Large Screen with Intuitive Color-coded System Air Quality Monitor Indoor for Greenhouses Agricultural Production Warehouses (White)
- Price
- £16.23
- Rating
- 2.5/5
- Reviews
- 2
- Age
- 1y ago

Radon Detector by Forensics | Tenants and Homeowners | 20-Year Sensor Life |
- Price
- £66.44
- Rating
- 4.4/5
- Reviews
- 143
- Age
- 1y ago

AEGTEST HOUND-1011S Portable Radon Detector High-Accuracy Sensor for Home Lightweight Audible & Visual Alarms Long-Term Monitoring Easy-to-Use Radon Tester in pCi/L or Bq/m for Basement
- Price
- £66.71
- Rating
- 4.6/5
- Reviews
- 472
- Age
- 8mo ago

AEGTEST HOUND-1011S Portable Radon Detector High-Accuracy Sensor for Home Lightweight Audible & Visual Alarms Long-Term Monitoring Easy-to-Use Radon Tester in pCi/L or Bq/m for Basement
- Price
- £65.58
- Rating
- 4.6/5
- Reviews
- 472
- Age
- 8mo ago

Airthings Wave Radon - Smart Radon Detector with Humidity and Temperature Monitor Accurate and Easy to Use Cable-Free - 2950
- Price
- £88.22
- Rating
- 4.4/5
- Reviews
- 2,500
- Age
- 6y ago
Newest
by launch date
AEGTEST HOUND-1011S Portable Radon Detector High-Accuracy Sensor for Home Lightweight Audible & Visual Alarms Long-Term Monitoring Easy-to-Use Radon Tester in pCi/L or Bq/m for Basement
- Price
- £66.71
- Rating
- 4.6/5
- Reviews
- 472
- Age
- 8mo ago

AEGTEST HOUND-1011S Portable Radon Detector High-Accuracy Sensor for Home Lightweight Audible & Visual Alarms Long-Term Monitoring Easy-to-Use Radon Tester in pCi/L or Bq/m for Basement
- Price
- £65.58
- Rating
- 4.6/5
- Reviews
- 472
- Age
- 8mo ago

Digital Radon Detector LCD Display Dual USB Battery Power Options 3 Year Battery Life 10 Year Sensor Lifespan Accurate pCiL Concentration Detection for Home and Office Use
- Price
- £35.96
- Rating
- 4.0/5
- Reviews
- 88
- Age
- 9mo ago

EPA-Approved Radon Test Kit for Home Lab Fee Included - 48-Hour Short Term Radon Detector with Pro Lab Report in 3-5 Days - Just Expose Radon Tester Apply Postage + Mail & Get Radon Testing Results
- Price
- £26.09
- Rating
- 4.3/5
- Reviews
- 107
- Age
- 11mo ago

AEGTEST HOUND-1011 Portable Radon Detector for Home Lightweight High-Accuracy Sensor 45-Day Monitoring Easy-to-Use Radon Tester for Short- & Long-Term in pCi/L or Bq/m for Basement Gray
- Price
- £79.94
- Rating
- 4.3/5
- Reviews
- 476
- Age
- 11mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 55% of clicks. Leaders hold, but buyers still shop past them.
Brands
9 falling
Sellers
44
Est. top-5 brand share
93%
Top 20: 100%
Est. top-5 click share
55%
Top 20: 100%
Open market
4%
- Airthings42%
- AEGTEST24%
- FORENSICS DETECTORS FD12%
- TARSHYRY8%
- Leaping Lynx8%
- Saluaqui2%
- Open — no brand owns it (3 brands, 4%)
Demand
Radon Detector search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov · busiest ÷ quietest = 1.9×
Search terms
Top Radon Detector search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- radon detector15K/yr
- airthings6K/yr
- radon test kit6K/yr
Reviews and returns
What reviews say buyers love and hate about Radon Detector
We read the reviews and the return reasons for every product selling here.
“Hence these detectors are not accurate as it underestimates the radon by half or less”
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 Radon Detector 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








