---
title: "Radon Detector — £15K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/radon-detector"
last_updated: "2026-07-31T12:34:55.445Z"
locale: en
meta:
description: "Niche score 35/100 · £15K/yr market · 27K searches/yr · £79.60 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · £15K/yr market · 27K searches/yr · £79.60 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Radon Detector — £15K/yr Amazon UK Niche (2026) - Flapen"
---
# **radon detector**
**Skip it**
A small market ($15K/yr) — this niche doesn't clear our bar today.
Market size 4Growth 9Conversion 9Competition 50Returns 40Price range 60Avg price 82Brand share 18Review moat 65Quality gap 86
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****£79.60**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****912.33**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****£14.86–£157.13**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****55%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Okay****3.8%**
return rate — above 5% kills the launch gate
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-32.6%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****£15K**
£15K/yr · 27K searches
**Signals**[** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")
According to Flapen's Amazon United Kingdom niche tracking, radon detector is a £15K/yr Amazon United Kingdom market (27K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 35/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **radon detector market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **£40K–£60K**
- units × avg price
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#77**
- **Page quality**
- **0%**
- **Prime**
- **78%**
- **Sponsored**
- **72%**
- **Out of stock**
- **18.9%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **187 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▼falling
**Sellers**
**44**
**Top-5 brand share**
**93%**
Top 20: 100%
**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 & seasonality**
Weekly Amazon search volume, last 85 weeks — -32.6% search growth over the last 90 days.
900700Spike '25Prime Day '25Black Friday '25 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Oct, Nov · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/radon-detector/trend)
## **Top radon detector search terms**
- **radon detector**15K/yr-42.2%1.4% conv. - **airthings**6K/yr-5.9%1.1% conv. - **radon test kit**6K/yr-29.8%2.0% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/radon-detector/search-terms)
## **Top radon detector products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%£6118%£1K12%£2K16%£2K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Radon Detector by Forensics | Tenants and Homeowners | 20-Year Sensor Life |**FORENSICS DETECTORS FD**£66.44**4.4★143 rev](https://www.amazon.co.uk/dp/B0FG1MY86C) [2**Airthings 2960 View Plus - Radon and Air Quality Monitor with PM 2.5 CO2 VOC Humidity and Temperature Detector Mobile APP Wi-Fi Notifications**Airthings**£157.13**4.1★1,855 rev](https://www.amazon.co.uk/dp/B097YW5Q72) [3**Air Quality Monitor Radon Detector LCD Large Screen with Intuitive Color-coded System Air Quality Monitor Indoor for Greenhouses Agricultural Production Warehouses (White)**TARSHYRY**£16.23**2.5★2 rev](https://www.amazon.co.uk/dp/B0F7SZNWVY) [4**Airthings Wave Radon - Smart Radon Detector with Humidity and Temperature Monitor Accurate and Easy to Use Cable-Free - 2950**Airthings**£88.22**4.4★2,500 rev](https://www.amazon.co.uk/dp/B07WWV7K3K) [5**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**Leaping Lynx**£26.09**4.3★107 rev](https://www.amazon.co.uk/dp/B0FKGHT5RR)
**~~View all top sellers →~~**
### **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**AEGTEST**£66.71**472 rev8mo ago](https://www.amazon.co.uk/dp/B0G24BL372) [**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**AEGTEST**£65.58**472 rev8mo ago](https://www.amazon.co.uk/dp/B0FR4L9GZG) [**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**AOTIQUAL**£35.96**88 rev9mo ago](https://www.amazon.co.uk/dp/B0FSL34SKS) [**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**Leaping Lynx**£26.09**107 rev11mo ago](https://www.amazon.co.uk/dp/B0FKGHT5RR) [**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**AEGTEST**£79.94**476 rev11mo ago](https://www.amazon.co.uk/dp/B0F99C4X2G)
**~~View all new products →~~**
### **Trending**
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)**TARSHYRY**£16.23**2.5★**▲ 214%**](https://www.amazon.co.uk/dp/B0F7SZNWVY) [**Radon Detector by Forensics | Tenants and Homeowners | 20-Year Sensor Life |**FORENSICS DETECTORS FD**£66.44**4.4★**▲ 200%**](https://www.amazon.co.uk/dp/B0FG1MY86C) [**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**AEGTEST**£66.71**4.6★**▲ 172%**](https://www.amazon.co.uk/dp/B0G24BL372) [**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**AEGTEST**£65.58**4.6★**▲ 129%**](https://www.amazon.co.uk/dp/B0FR4L9GZG) [**Airthings Wave Radon - Smart Radon Detector with Humidity and Temperature Monitor Accurate and Easy to Use Cable-Free - 2950**Airthings**£88.22**4.4★**▲ 40%**](https://www.amazon.co.uk/dp/B07WWV7K3K)
**~~View all trending →~~**
## **What buyers say about radon detector**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**27%
*“easy to use”*
**Battery Life**13%
*“Battery seems to last for ever”*
**Advertised Vs Actual Product**13%
*“Does the job”*
**Measurement/Reading Accuracy**6%
*“showing measurements without needing to dig through menus”*
**Weight Light**5%
*“Lightweight”*
**Quality-Overall**5%
*“Superb”*
**Design-Overall**4%
*“Ergonomic physical design”*
**Compactness**3%
*“Its compact and lightweight, so it doesnt feel intrusive sitting in a room or basement”*
**Connectivity-Overall**3%
*“Clear display and easily coupled to WiFi and App”*
**Strength**3%
*“Really effective”*
### **What buyers complain about **
**Measurement/Reading Accuracy**27%
*“Hence these detectors are not accurate as it underestimates the radon by half or less”*
**Functionality-Overall**14%
*“It didn't work”*
**Ethical Trade/Fair Trade**11%
*“im annoyed that I have essentially been scammed”*
**Flammable**11%
*“This is a very sensitive device when to detection of flammable propellants”*
**Quality-Overall**4%
*“Overall, though not cheap this device, if you believe radon gas levels could be high in your property, will save money v getting professional help”*
**Value For Money**4%
*“Overall, though not cheap this device, if you believe radon gas levels could be high in your property, will save money v getting professional help”*
**Battery Life**2%
*“- Limited information on battery life or power source”*
### **Top return reasons **
**Functionality-Overall**30%
**Connectivity-Overall**17%
**Compatibility-Overall**9%
**Product Condition**6%
**Quality-Overall**6%
**Defective Material/Parts**6%
**Advertised Vs Actual Product**6%
**Value For Money**6%
**Heating**3%
**Unsustainable Design**3%
## **Common questions**
- **Is radon detector profitable to sell on Amazon United Kingdom?**
- The niche generates £15K/yr across 18 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -32.6%. Flapen's verdict: Skip it (35/100).
- **How competitive is the radon detector niche?**
- 9 brands and 44 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in radon detector?**
- Top complaints mined from reviews: Measurement/Reading Accuracy, Functionality-Overall, Ethical Trade/Fair Trade. The return rate is 3.8%.
- **When does demand for radon detector peak?**
- Demand peaks in Oct–Nov; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the radon detector niche?**
- Listings span £14.86–£157.13; the average listing price is £79.60 (sweet spot $15–$100). The average incumbent carries 912 reviews — the moat a new listing must climb.
## **Related niches in DIY & Tools**
- 68 [**cardboard cutter**](https://flapen.com/research/uk/diy-tools/cardboard-cutter)£343K/yr+30.6%**Worth a look**- 68 [**door canopy**](https://flapen.com/research/uk/diy-tools/door-canopy)£202K/yr+187.7%**Worth a look**- 68 [**fence post repair**](https://flapen.com/research/uk/diy-tools/fence-post-repair)£359K/yr-8.2%**Worth a look**- 68 [**cat window guard**](https://flapen.com/research/uk/diy-tools/cat-window-guard)£98K/yr+413.1%**Worth a look**- 68 [**sun shade**](https://flapen.com/research/uk/diy-tools/sun-shade)£202K/yr+187.7%**Worth a look**- 69 [**brass hose connector**](https://flapen.com/research/uk/diy-tools/brass-hose-connector)£66K/yr+122.8%**Worth a look**[**All DIY & Tools niches **](https://flapen.com/research/uk/diy-tools)