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10 Best Gas Leak Detector in The UK

Last updated on 09/07/2025

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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

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

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

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

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

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

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.

Gas Leak Detector - YOJOCK Flammable Gas Detector with Acoustic & Visual Alarm for Methane, Propane & More (Red). Ideal for Motorhome & Home Use (Includes 2 Batteries)

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Why We Love It

Versatile and reliable gas detection.
Quick visual and acoustic alarms.
Compact and easy to store.

Main Highlights

Versatile Detection: The YOJOCK Gas Detector detects LPG, methane, propane, natural gas, and more. This gas warning device helps you accurately locate leaks and reduce risks – ideal for home, RV, and camper.
Effective Alarm Function: The gas detector provides a visual and acoustic alarm within 0.5 seconds of gas detection. The LCD screen turns red and the alarm tone becomes louder as the gas concentration increases, warning you of dangerous gas leaks.
Easy to Use: This battery-operated gas detector comes with 2 AAA batteries. After a short warm-up time of 30 seconds, the gas meter is ready for use. It shows the remaining battery charge and automatically turns off after 5 minutes of inactivity.
Compact and Practical Design: Portable in pocket size with pen hook, ideal for use in RVs, caravans, or at home. The non-slip design and the included storage bag make the battery-operated gas detector for caravans convenient and easy to store.
Package Contents and Customer Service: The gas detector comes with 1 gas detector, 1 storage bag, 2 batteries, and 1 instruction manual in English, German, Italian, French, and Spanish. YOJOCK offers 36 months of customer service and lifetime technical support for all questions and issues.

Gas Leak Detector, Natural Digital Gas Detector, Home Gas Alarm, Gas Leak Detector,High Sensitivity LPG LNG Coal Natural Gas Leak Detection, Alarm Monitor Sensor

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Why We Love It

Voice Notification for safety.
Easy plug-in installation.
Widely used in facilities.

Main Highlights

Home natural gas detector suitable for detecting LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc.
Gas Detector offers Voice Notification and a digital readout of the GAS concentration.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal. 85dB alarm sound, reduce the risk of gas explosion and protect your family's life and property safety.
Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas.
This product can be used as independent family alarm equipment, and also can be used as front detector of alarm system. Widely Used for Restaurant, Hospital,Hotel, Oil Factory,Garage, Gas Station etc.
The system warm-up time is about 2-3 minutes. During this time period, the gas test will not work. You need to wait for the display to show 0 (the system enters the working state) before it can be tested normally.Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas.

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

8.7

Excellent

We scanned 1051 products

We reviewed these offers relevant to the Gas Leak Detector within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like TOPTES, D MODUN, Switched On Products, Neoteck, HSTMYFS, YOJOCK, LLCHB, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Gas Leak Detector in the market, we considered we took a deep dive into 5256 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is 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. We love many things about this product by TOPTES. What sets it apart from the competition is Accurate gas leak detection, Flexible and easy to use, Visual and audible alarms.
The best value product for most shoppers and where user satisfaction is continuously the highest is 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 by TOPTES based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Gas Leak Detector and the best cost-to-value ratio is 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 Hospitalat D MODUN with a % discount.
Our list of the best Gas Leak Detector is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Gas Leak Detector in The UK

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We scanned 1051 products

We concluded that: