10 Best Gas Leak Detectors For Home in The UK

Last updated on 12/08/2025
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1
9.8
Exceptional
Natural Gas Detector, TopTes PT299 Gas Leak Detector with Extendable Rod, Portable Propane Sniffer for Detecting Combustible Leaks Like Methane & Butane for Home, RV (Includes Battery x2) - Orange
TOPTES
Natural Gas Detector, TopTes PT299 Gas Leak Detector with Extendable Rod, Portable Propane Sniffer for Detecting Combustible Leaks Like Methane & Butane for Home, RV (Includes Battery x2) - Orange
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Why We Love It
  • Portable and adjustable design.
  • Quick detection with alarms.
  • User-friendly and secure grip.
Main Highlights
  • Retractable Gas Leak Detector: The TopTes PT299 gas leak detector is a dependable and portable tool that allows you to adjust the pole's length, reaching the desired testing location for accurate detection of combustible gas leaks, including propane, methane, natural gas, LPG, gasoline, and more. (Note: Please wait for a 30-second warm-up time before operation)
  • Telescope Pole for Easy Access: The PT299 natural gas detector helps you detect gas leaks in hard-to-reach areas such as pipelines, storage tanks, fireplaces, basements, and RVs. Extend the pole for gas leak inspection without getting too close to potential leakage points. Extension Range: 2.20 inches to 6.30 inches 5.60cm-16.00cm
  • Alarm! See & Hear: When gas is detected, the PT299 responds in just 0.5 seconds. A visual and audible alarm promptly warns you of danger. Watch as 9 analog bars rise and the screen turns red, providing real-time feedback on gas concentration. The 75dB buzzer helps pinpoint gas leak locations. Detection range: 1%LEL to 10%LEL (100 to 5,000ppm, based on Methane)
  • User-Friendly: Features a 30-second preheat countdown indicator and a low battery alert. When enabled, the PT299 gas leak detector automatically turns off after 5 minutes of inactivity to save energy. Additionally, it is designed with a non-slip texture and material, ensuring a secure and comfortable grip
  • What You Get: Included in your package are 1× PT299 Gas Leak Detector, 2× AAA Batteries, 1× Storage Bag, and 1× User Manual
9.8
Exceptional
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Best Value
2
9.8
Exceptional
Mydome Canary Gas Alarm | Accurate Natural Gas Detector With A Loud Alarm & Digital Display, Designed To Detect Combustible Gas Leaks Including LPG, Butane, Propane & Methane In The Home
Switched On Products
Mydome Canary Gas Alarm | Accurate Natural Gas Detector With A Loud Alarm & Digital Display, Designed To Detect Combustible Gas Leaks Including LPG, Butane, Propane & Methane In The Home
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Why We Love It
  • Certified for home safety.
  • Dedicated sensors ensure reliability.
  • Visual alerts provide quick feedback.
Main Highlights
  • 【Certified gas alarm for the home】-- British standard specification with CE / RoHS certification - Suitable for detecting LPG (Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas
  • 【Dedicated sensors】-- One sensor for every gas ensures effective, fast and reliable detection
  • 【Visual and Audible notification 】-- When the gas leak concentration reaches pre-determined safety levels the alarms 85dB speaker activates a slow, accelerated or fast, continuous alarm that reflects the gas concentration level. The gas detector is programmed to give a voice notification and a digital readout of the gas concentration level
  • 【Positive safety indicator】-- A simple ‘traffic light’ status indicator which, at a glance, provides visual assurance of operational status to users
  • 【Easy-to-install Design】-- Can be used by plugging directly into the power socket in a kitchen, rental house, residential home, motor-home / caravan, boarding house, hotels, & restaurants
9.8
Exceptional
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3
9.7
Exceptional
Gas Detector Alarm, LPG | Natural Gas | Coal Gas Leak Detector, Plug-in Sensor Gas Monitor with Sound Alarm and LED Display, Methane Propane Butane Combustible Gas Alarm for Kitchen Garage
D MODUN
Gas Detector Alarm, LPG | Natural Gas | Coal Gas Leak Detector, Plug-in Sensor Gas Monitor with Sound Alarm and LED Display, Methane Propane Butane Combustible Gas Alarm for Kitchen Garage
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Why We Love It
  • Keeps families safe.
  • Clear digital display.
  • Energy-efficient design.
Main Highlights
  • 【Protect your families】-- When combustible gas leak (kitchen methane / natural gas /camping propane) exceed the standard, the gas detector will emit 85dB alarm. It cannot detect carbon monoxide and carbon dioxide. Widely be used in restaurant, kitchen, hospital, hotel, oil factory, garage, gas station, etc
  • 【LED digital display and audible warning】-- The gas alarm display does not light up under normal conditions (in standby mode). If a flammable gas leak is detected, the corresponding number will be displayed on the screen. Alarm sounds and flashes red once the concentration above 5% LEL. The alarm will be in different alarm states based on the concentration of flammable gas
  • 【Durable & Energy saving】-- Plug-in gas alarm designed for home use. Main-powered supply which makes it super easy and convenient to install. High quality plastic ABS frame, easy to clean. It uses ≤2 watts electricity, saves much power
  • 【Test method】-- Press and hold the lighter switch at the gas inlet of the methane detector and deflate slowly (do not turn on the lighter during deflation). When the concentration reaches the alarm threshold, it will alarm, until the volume of the environmental gas falls below the alarm point. Precautions: The system warm-up time is about 3 minutes. During this period, the gas test will not work
  • 【Remind for Installation】-- Do not install the gas alarm in a place with a lot of dust, oil smoke and water vapor, which will affect the internal sensor of the alarm and cause false alarms. Please choose a suitable location to install the alarm according to the actual situation
9.7
Exceptional
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4
9.7
Exceptional
Save 20%
LSENLTY Combination Natural Gas Leak Detector and CO Detectors, 4-in-1 Plug-in Wall Design Carbon Monoxide & Gas Detector with HD Screen&Indicator Visual&Audible Alarm for Home, Kitchen
LSENLTY
LSENLTY Combination Natural Gas Leak Detector and CO Detectors, 4-in-1 Plug-in Wall Design Carbon Monoxide & Gas Detector with HD Screen&Indicator Visual&Audible Alarm for Home, Kitchen
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Why We Love It
  • Easy screen rotation feature.
  • Comprehensive safety monitoring device.
  • High-precision detection ensures accuracy.
Main Highlights
  • 【How to rotate the screen】 When you receive the product and plug it into the socket, if the display screen is upside down, you can long press the "speaker" button to invert the screen 180°.
  • 【Comprehensive CO and Gas Detector Plug in Wall Design for Home and Travel】Both carbon monoxide and combustible gases are harmful. When carbon monoxide and combustible gases in the air exceed the standard, it will cause harm to the human body and endanger life safety. This carbon monoxide & combustible gas detector plug-in has passed the UK tests and the quality is guaranteed. This plug-in carbon monoxide and combustible detector is compatible with 230V AC power outlets. Suitable for all UK standard AC outlets such as bedrooms, RVs, kitchens, living rooms, basements, hotel rooms, etc.
  • 【HD display】 Not only can you intuitively view the carbon monoxide and combustible concentration values ​​on the HD display, but you can also see the temperature and humidity conditions that you pay attention to daily, saying goodbye to the embarrassing situation of the small screen of traditional carbon monoxide and combustible detectors. At the same time, you can also intuitively view the concentration of multiple gases from one screen.
  • 【Intimate brightness design】 When you feel that it is very power-consuming to keep the HD screen on, you can choose to press the brightness key to adjust the brightness status. When you choose to turn off the screen brightness, the product will continue to monitor, and the indicator light will remind you every 5 seconds to inform you that the product is in normal monitoring status. If the carbon monoxide concentration value in the surrounding environment exceeds 50PPM or the concentration of combustible gas exceeds >5% LEL, the detector will quickly detect it and issue an alarm sound of more than 85dB to remind you.
  • 【High-precision comprehensive detector】 The product is equipped with precision CO and combustible sensors, which are refreshed every 2 seconds and can quickly detect the surrounding CO values. The detection range is 0-999PPM, and the accuracy is ±10%. The combustible sensor has a detection range of LV1-LV4 and an accuracy of 15% LEL; it can also be used as an indoor thermometer with a temperature range of -10℃~50℃ and an accuracy of ±1.5℃; it can also be used as a hygrometer with a humidity range of 0%~95%RH and an accuracy of ±5%RH.
  • 【Home Essentials & Travel Safety Essentials】 This plug-and-play portable carbon monoxide and combustible detector can make your travel safer when you are traveling, staying in a hotel, traveling in an RV. When you are worried that traditional carbon monoxide and combustible detectors need to replace batteries regularly and the small screen can hardly see the carbon monoxide and combustible concentrations, this four-in-one detector allows you to clearly see the carbon monoxide concentration, combustible gas concentration, temperature and humidity.
9.7
Exceptional
Save 20%
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5
9.6
Superb
TopTes PT760 Rechargeable Natural Gas Detector, Gas Leak Detector with 12-inch Extendable Probe,%LEL Propane Leak Detection with Built-in Flashlight for Methane, Butane and more for Home, RV
TOPTES
TopTes PT760 Rechargeable Natural Gas Detector, Gas Leak Detector with 12-inch Extendable Probe,%LEL Propane Leak Detection with Built-in Flashlight for Methane, Butane and more for Home, RV
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Why We Love It
  • Efficient gas detection capabilities.
  • Compact and portable design.
  • User-friendly and ergonomic features.
Main Highlights
  • Efficient Charging and Multi-Gas Detection: The PT760 Rechargeable Gas Detector features a Type-C charging port for swift power replenishment. This device is capable of precisely detecting a range of combustible gases, including LPG, methane, ethane, propane, butane, natural gas, coal gas, and gas fuel, effectively pinpointing any gas leaks. It's an essential tool for your daily gas equipment usage, offering reliable support for maintenance
  • Telescopic Stainless Steel Probe for Versatile Applications: With its 12-inch stainless steel telescopic probe, the PT760 gas leak detector allows you to effortlessly detect gas leaks in narrow and hard-to-reach areas, such as inside pipes and behind cabinets. After inspection, simply retract the telescopic rod, making the entire device compact, portable, and easy to store in the included protective box
  • Eye-catching Alerts & %LEL Detection: Upon detecting a gas leak, the PT760 natural gas detector triggers both an audible and visual alarm within 0.5 seconds. You can gauge the severity of the leak by the alarm tone frequency and screen color change. The screen also displays the current lower gas explosion limit value, with a detection range spanning from 1%LEL to 20%LEL (100ppm-10,000ppm)
  • User-Friendly Features: The PT760 offers an ergonomic grip and boasts reliable and durable construction materials. It automatically preheats in just 30 seconds upon activation, with a countdown timer displayed on the screen to keep you informed of the preheating progress. Equipped with a built-in flashlight, it's suitable for use in poorly lit areas. The device also includes a low battery indicator and an automatic power-off function, ensuring user-friendliness and reliability
  • What You Get: 1x PT760 Gas Leak Detector, 1x Type-C Charging Cable, 1x Protective Case, 1x User Manual
9.6
Superb
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6
9.4
Superb
TopTes PT210S Gas Leak Detector, Natural Gas Detector with 10cm Probe, Propane Leak Detector Locating Combustible Gases Like Natural Gas, Methane for Home, Measures%LEL (Incl. Batteries) - Orange
TOPTES
TopTes PT210S Gas Leak Detector, Natural Gas Detector with 10cm Probe, Propane Leak Detector Locating Combustible Gases Like Natural Gas, Methane for Home, Measures%LEL (Incl. Batteries) - Orange
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Why We Love It
  • Portable design for easy use.
  • Accurate gas leak readings displayed.
  • Alarms for immediate danger alerts.
Main Highlights
  • Portable and Probe Design: The TopTes PT210S Gas Leak Detector features a convenient four inch probe and a portable pen shaped design, allowing you to carry it effortlessly to detect hard to reach areas. It empowers you to swiftly identify combustible gases such as propane, natural gas, methane, and butane
  • Gas Reading in Percent LEL: The PT210S gas leak detector displays the current gas leakage in Percent LEL with a clear two-digit reading. In the event of a gas leak, the Percent LEL reading precisely indicates the gas leakage severity, reducing the risk of gas explosions and safeguarding your family and property
  • Visual and Audible Alarms: The PT210S gas leak detector can quickly find leaks in 0.5 seconds. As leaks are detected, the screen will turn red, and bar graphs will rise. A 75-decibel audible buzzer will warn you of leaking dangers. With increasing gas concentration, audible and visual alarms will become more serious. Detection Range: 100 ppm to 5,000 ppm (1 Percent LEL to 10 Percent LEL)
  • User Centric Design: The PT210S features dual-mode detection (high sensitivity and low sensitivity). When the battery voltage drops below 2.5 volts, the low battery indicator light will flash, reminding you to replace the battery promptly. The detector will automatically shut off after 5 minutes of inactivity to conserve energy. Its anti-slip design ensures a comfortable grip
  • What You Will Get: In the package, you will receive 1 PT210S gas leak detector, 1 storage bag, 1 multi-language user manual, and 2 AAA batteries
9.4
Superb
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7
9.3
Superb
PT520A Natural Gas Detector, Gas Leak Detector with 43.5cm Gooseneck, Locates Sources Like Methane, Propane and Butane for Home and RV (Includes Battery x3) - Orange
TOPTES
PT520A Natural Gas Detector, Gas Leak Detector with 43.5cm Gooseneck, Locates Sources Like Methane, Propane and Butane for Home and RV (Includes Battery x3) - Orange
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Why We Love It
  • Accurate gas leak detection.
  • Flexible and easy to use.
  • Visual and audible alarms.
Main Highlights
  • Effective Gas Leak Detector: TOPTES PT520A natural gas detector can accurately help you locate the gas leakage of various combustible gases in tight spaces, such as methane, natural gas, propane, LPG, gasoline, etc. Note: Please allow 30 seconds of warm-up time before the operation
  • Flexible Probe Easy to Use: With a 17-inch flexible gooseneck (bendable in any direction), the portable gas leak detector makes it easy for you to access hard-to-reach areas, such as natural gas pipelines, propane storage tanks, gas fireplaces, sewers, basement, RV, and other narrow space. It can be carried anywhere to find leaks no matter outdoors or indoors
  • Visual and Audible Alarm: PT520A will rapidly respond in 0.5 seconds while gas is detected. Seven colored analog bars and a 75dB audible buzzer help you point out the gas leak location. Both of them increase with combustible gas concentration. Detection range: 50 to 10,000 ppm (based on Methane)
  • User-Friendly Functions: Activate or cancel the Auto Power-Off function through the APO button just in your need. When canceled, the detector will turn off after 10 minutes of inactivity to save power. In addition, you can turn off the audible alarm at any time via the Mute button to eliminate annoying alarm noise. The double-sided bar-shaped groove design and non-slip material make it wear-resistant and easy to hold
  • What You Get: 1×PT520A Gas Leak Detector, 3×AAA Batteries, 1×Protective Case, and 1×User Manual
9.3
Superb
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8
9.2
Superb
Neoteck Gas Leak Detector Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home-Grey
Neoteck
Neoteck Gas Leak Detector Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home-Grey
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Why We Love It
  • Quick and accurate leak detection.
  • Visual and audible gas alarm.
  • Includes batteries, easy setup.
Main Highlights
  • 【Quick and Accurate Gas Leak Detector】The natural gas detector is widely suitable for LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc., and it will exactly pinpoint a leak, reducing the risk of gas explosion and keeping your family and property safe. It potentially reduce energy bills
  • 【Visual & Audible Gas Alarm】The gas detector employs both visual alarm and audible alarm as fast as 0.5 seconds of detection. When the bar graph increases and the detector beeps, you know gas has been detected. The alarm increases with the amount of gas, and the LCD screen will turn red when the gas concentration is high.The system warm-up time is about 30 seconds
  • 【Adjustable Sensitivity】This natrual gas leak detester supports High Low Sensitivity Mode: 50-500ppm, Low Sensitivity Mode: 500-3000ppm. Increase sensitivity dial to find small gas leaks. Decrease sensitivity to find larger explosive gas leaks while filtering out false alarms from background gas levels, which is much more convenient to use
  • 【Batteries Included & Easy to Use】This gas sniffer comes with 2x AAA Batteries, so you will be able to set the detector up and have it ready as soon as you receive it. The low battery indicator will engage when battery voltage is below 2.4V. Automatic power off after 5 minutes without operation or gas detection.Detection range: 50 to 3000 ppm* (*based on Methane)
  • 【Compact Design】 Pocket-sized with a pocket clip that allows you to carry it in your shirt pocket. It is an excellent tool for RV-ers, DIY-ers, homeowners with gas appliances, etc. It's very convenient and perfect for regular safety checks
9.2
Superb
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9
9.0
Superb
Natural Gas Detector, Plug-in Propane Natural Gas Leak Detector for Home Kitchen RV, Combustible & Explosive Gas Alarm for LPG, LNG, Methane
HSTMYFS
Natural Gas Detector, Plug-in Propane Natural Gas Leak Detector for Home Kitchen RV, Combustible & Explosive Gas Alarm for LPG, LNG, Methane
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Why We Love It
  • Detects multiple gases effectively.
  • Loud visual and audio alarm.
  • Easy plug-in installation.
Main Highlights
  • Versatile Gas Detection: This gas detector is designed for home use and can detect multiple combustible&explosive gases, including LPG (methane), CNG, LPG, Propane and Natural gas.
  • Photoelectric Warning System: When the concentration of combustible gas reaches a preset level, the alarm emits an 85 dB audible and visual signal, alerting you to check for indoor gas leaks.
  • Proven Safety: Our gas detector undergoes rigorous quality management, with over a decade of successful sales to verify its stability and reliability.
  • Easy Installation: Installing the natural gas detector is a breeze. Simply plug it into an electrical outlet to start detecting gas leaks.
  • Important Warm-Up Time: Please note that all gas detection devices require a 2-3 minute warm-up period before they become operational. Ensure the product is correctly started during this time.
9.0
Superb
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10
8.9
Excellent
Gas Alarm, Natural Gas/LPG/Coal Gas Leak Detector, 3-Pin Plug-in Sensor Gas Monitor with Sound Alarm and LED Digital Display, Methane Propane Butane Combustible Gas Alarm for Kitchen Garage Hospital
D MODUN
Gas Alarm, Natural Gas/LPG/Coal Gas Leak Detector, 3-Pin Plug-in Sensor Gas Monitor with Sound Alarm and LED Digital Display, Methane Propane Butane Combustible Gas Alarm for Kitchen Garage Hospital
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Why We Love It
  • Digital display and sound alarm.
  • Energy-saving, durable construction.
  • Easy and simple installation.
Main Highlights
  • {Safty Assurance} -- This Gas detector is mainly used to detect natural gas (main component: methane), liquefied petroleum gas (main component: propane, butane) and city gas (alkane, olefin, arene). When the flammable gas leakage exceeds the standard, the gas detector will issue slow or accelerated or rapid, continuous 85DB sound alarm. It can't detect CO and CO₂
  • {Digital display & Sound alarm} -- Number 0 showes on the gas detector indicator under normal conditions. If a flammable gas leak is detected, the indicator will showes numbers 1-9 and A. Once the concentration exceeds 3% LEL, the alarm sounds and flashes red. According to different concentration of combustible gas leak, the alarm will shows different states
  • {Energy saving & Durable} -- Standard British plug, not required converter, installation is extremely simple. Plastic ABS material, easy to clean. Using <2 watts of power, significant energy saving. Widely used in restaurants, kitchens, hospitals, hotels, oil plants, garages, gas stations, etc
  • {Test Method} -- Press and hold the lighter switch at the inlet of the methane detector and slowly deflate (do not turn the lighter on while deflating). When the concentration reaches the standard, an alarm will alarm until the volume of ambient gas falls below the alarm point. Precautions: It takes about 2-3 minutes to warm up the system, the gas test will not work during this time
  • {Remind for Installation} -- This gas alarm uses high quality sensors, semiconductor heating and SMT chip technology; Do not install it in a place with a lot of dust, oil smoke and water vapor, which may cause false alarms; Choose a suitable location to install the alarm according to the actual situation
8.9
Excellent
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