Best Radon Detector Deals Online in the UK (25 Deals Found)

Last Updated - 02/05/2026 Sort By:

Best Choice
AEGTEST

New
AEGTEST HOUND-1011S Portable Radon Detector, High-Accuracy Sensor for Home, Lightweight, Audible & Visual Alarms, Long-T
Portable Radon Detector: AEGTEST HOUND-1011S is a compact, portable radon detector for continuous monitoring. It measure

£79.99
AEGTEST

New
AEGTEST HOUND-1085 Portable Radon Detector, Long-Term Radon Monitoring for Home, Audible & Visual Alarms, Rechargeable,
Balanced Precision & Stability: The HOUND-1085 integrates a high-accuracy semiconductor radon sensor with triple-vent de

£99.99
Used
Airthings Corentium Digital Radon Detector
A boxed battery operated radon detector, we used these for a six week period and they are as new. Box may have a locatio

£70.90
Best Value
WGRLIT

New
Digital Radon Detector - HD LCD Desktop Monitor with 10-Year Sensor, 2-3 Year Battery (6H Charge), Real-Time pCi/L Readi
【𝐏𝐫𝐞𝐜𝐢𝐬𝐞 𝐑𝐚𝐝𝐨𝐧 𝐌𝐨𝐧𝐢𝐭𝐨𝐫𝐢𝐧𝐠】Delivers laboratory-grade accuracy in pCi/L measurements, enabling proac

£54.04
New
Digital Radon Detector - HD LCD Desktop Monitor with 10-Year Sensor 2-3 Year Use
【𝐔𝐥𝐭𝐫𝐚-𝐃𝐮𝐫𝐚𝐛𝐥𝐞 𝐃𝐞𝐬𝐤𝐭𝐨𝐩 𝐃𝐞𝐬𝐢𝐠𝐧】Engineered for 10-year sensor lifespan with intuitive operation,

£63.09
Airthings

New
Airthings Corentium Home 2 – Portable Digital Radon Detector (Bluetooth, Temperature & Humidity) • LCD Display – 2×AA Ba
THE ORIGINAL RADON DETECTOR, UPDATED: The same proven accuracy as the best-selling original Corentium Home, now with Blu

£147.67
Airthings

Used
Airthings Corentium Home 2 – Portable Digital Radon Detector (Bluetooth, Temperature & Humidity) • LCD Display – 2×AA Ba
THE ORIGINAL RADON DETECTOR, UPDATED: The same proven accuracy as the best-selling original Corentium Home, now with Blu

£136.74
New
Circular Indoor Radon Detector & Monitor For Home - White - Brand New
This is the new generation of smart radon gas monitors. High Quality Ink Screen Display.

£44.99
24% Off
Airthings

New
Airthings Corentium Home Radon Detector - 224 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, Intl Version
FIRST OF ITS KIND: The first battery-operated, digital radon detector. Monitor your home without the need for an outlet

£120.95 £159.00
New
Indoor Radon Detector & Monitor For Home - White - Brand New
This is the new generation of smart radon gas monitors. High Quality Ink Screen Display.

£44.99
AEGTEST

New
AEGTEST HOUND-1011 Portable Radon Detector for Home, Lightweight, High-Accuracy Sensor, 45-Day Monitoring, Easy-to-Use R
Portable Radon Detector: AEGTEST HOUND-1011 is a compact, portable radon detector for continuous monitoring. It measures

£99.99
Aranet

New
SAF Aranet Radon Detector for Home: Measures 10 Min, Temperature, Relative Humidity, Pressure, E-Ink Display, 7 Year Bat
RESULTS IN MINUTES - The only truly portable radon monitor on the market offering continuous radon measurement every 10

£169.00 £179.00
New
New & Sealed - 3 x Radon Gas Detectors

£19.99
AOTIQUAL

New
Digital Radon Detector LCD Display Dual USB Battery Power Options 3 Year Battery Life 10 Year Sensor Lifespan Accurate p
【Accurate Measurement】: Our advanced radon detector provides precise pCi/L concentration detection, ensuring you have re

£60.08
New
New & Sealed - 2 x Radon Gas Detectors

£14.99
27% Off
Airthings

New
Airthings Wave Radon - Smart Radon Detector with Humidity and Temperature Monitor, Accurate and Easy to Use, Cable-Free
ALWAYS ON RADON MONITORING: Get accurate radon gas readings, take action as needed, ensure your mitigation solution is w

£123.48 £169.00
New
Airthings Corentium Home Radon Detector | 3 AAA Batteries included | Portable
RADON REPORT: Generate a radon self-inspection report easily, whenever you need it. NO LAB FEES: Unlike a traditional ra

£92.99
New
Ecosense EQ100 EcoQube, Digital Radon Detector

£115.09
New
AEG TEST HOUND-3786 Home Radon Detector Monitor Rechargeable, 3.5" Display White
Stay Ahead of Every Change: HOUND-3786 leverages a high-sensitivity pulsed ionization chamber for fast, accurate detecti

£79.22
New
Radon Detector Carbon Dioxide Detector Co2 Monitor Infrared Sensor Mold (white)
Multifunctional Detector: It can detect dioxide, air quality, concentration, temperature and humidity. Item Type: Carbon

£26.82
Used
Airthings Corentium Home Radon Gas Detector
Now we no longer require it. Quick results: Within 24 hours you will see the first indication of your radon levels. Here

£78.70
New
Airthings Corentium Home Radon Detector
The Airthings Corentium Home Radon Detector is a digital monitor box that detects radon levels in your home. This produc

£94.30
New
A-Handheld Radon Detector Accuracy Real Time Long Short Term Average LCD Display
Item Type: Radon Detector. Radon Concentration Unit: pCi/L, Bq/m³. 1 x Radon Detector. Display: LCD Screen.

£102.09
New
HOUND-2033 Radon Detector Home Monitor Touchscreen Alarms Rechargeable White
Precise and fast detection: The HOUND-2033 uses a high-precision pulse ionization sensor to detect alpha radiation from

£103.66
New
Digital Radon Tester Radon Concentration Detector Battery Powered For Tunnel
Item Type: Radon Detector. 1 x Radon Detector. Battery: 2 x AAA Alkali Dry Battery (not included). 1 x Screwdriver. 2 x

£123.19 £129.67

25 Radon Detector deals are available from: Amazon, eBay stores, starting from £14.99.
The biggest discount we found is 27% on Airthings Wave Radon - Smart Radon Detector with Humidity and Temperature Monitor, Accurate and Easy to Use, Cable-Free - 2950 at Amazon.
The lowest price we found is £14.99 while the highest is £169.00.
Prices for the best Radon Detector deals average at £86.68.
Last updated on May 2, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Radon Detector.