5 Things to Do Immediately After a Gas Leak in Your Home

After dealing with a gas leak, it’s crucial to take further steps to safeguard your home and its occupants. Remember, the risks associated with gas exposure don’t end when the leak is addressed. In fact, the gas can linger and cause health effects, potentially damage appliances, and even increase the risk of future leaks.

Thus, knowing how to respond in the aftermath of a gas leak is essential for maintaining a safe living environment and ensuring that any remaining hazards are effectively mitigated. This article will detail the actions you should immediately take after a gas leak has been managed, helping you ensure the continued safety and well-being of your family while preventing future incidents.

Ensure Professional Inspection

The first and most crucial step to take after a gas leak is to contact qualified professionals to conduct a thorough inspection of your home. Even if the immediate danger has passed, hidden issues may remain; certified technicians have the experience and tools to identify potential risks that could result in future leaks and other dangers. A typical inspection includes an assessment of your home’s gas lines, gas-powered appliances, and connections. The technicians will also check for any signs of corrosion, wear and tear, or faulty connections, all of which could compromise safety. Apart from identifying existing problems, licensed gas fitters can also offer peace of mind. Knowing that trained experts have examined your home thoroughly can alleviate concerns about lingering hazards.

If you’re looking for qualified plumbers Dunedin residents trust to inspect your home after a gas leak, contact Mains Plumbers. We offer quality gas fitting services, including gas safety inspections for leak detection and repairs. You can rest assured that we’ll take every necessary step to ensure your gas systems are safe, reliable, and compliant with all regulations.

Check for Symptoms of Gas Exposure

Even after the leak has been repaired, it’s important to remain vigilant for any signs of gas exposure. This condition occurs when individuals inhale or come into contact with harmful gases, such as natural gas or carbon monoxide. Symptoms range from mild to severe, depending on the concentration of gas and the duration of exposure, and can vary widely. Common effects include headaches, dizziness, nausea, shortness of breath, fatigue, and confusion.

To ensure everyone’s well-being, conduct a quick assessment of each household member. Ask them if they feel unwell or if they have noticed any unusual symptoms. If anyone exhibits concerning signs, particularly children or the elderly who are more vulnerable, seek medical advice promptly. It’s also wise to keep an eye on symptoms that may develop over the following days, as gas exposure can have delayed effects.

Ventilate the Area

Make sure to ventilate the area where the gas leak occurred, as residual gas may still linger in the air. Opening all windows and doors will allow fresh air to circulate throughout your home, which helps to dilute any remaining gas and facilitates its dispersal, reducing the risk of potential health hazards. In addition to natural ventilation, using fans to help move air through the affected area can be beneficial. For the best results, position fans to direct the flow of air out of the windows to promote a more efficient exchange of indoor air with fresh outdoor air. Keep the area ventilated for a sufficient amount of time so that the residual gas can dissipate completely. 

Check Smoke and Carbon Monoxide Detectors

Following a gas leak, it’s a good idea to check all smoke and carbon monoxide (CO) detectors in your home to ensure they’re functioning properly. These devices serve as your first line of defence against potential dangers, alerting you to the presence of smoke and other harmful gases that may arise due to a faulty appliance or similar issues. Simply put, testing these detectors to confirm that they’re still working even after the incident is crucial for maintaining safety in your home.

Additionally, consider the age of your detectors. It’s recommended to change smoke alarms every 10 years, while carbon monoxide detectors typically have a lifespan of around 5 to 7 years. If any detectors are unresponsive, malfunctioning, or have passed their recommended service life, you should replace the batteries or upgrade the entire unit as necessary.

Stay Informed



Staying informed about the latest safety measures and developments regarding gas regulations is essential for protecting your home and family. When you know about local gas safety guidelines, you’re empowered to make informed decisions and take proactive steps to ensure your home remains safe from future incidents. Moreover, regularly checking for updates from local authorities or gas service providers can keep you abreast of any potential risks or safety advisories in your area.

Consider taking gas detection courses or joining local groups focused on gas safety education. These resources can provide valuable information on how to recognise the signs of a gas leak, what safety equipment is necessary, and how to properly maintain your gas appliances. Moreover, keeping a contact list of qualified gas fitters, emergency services, and local utility companies can be beneficial. In the event of future concerns or emergencies, having this information readily available ensures a swift response, minimising potential risks. If you need to reach Mains Plumbers, give us a call at 03-488-600 or 027-436-6058. Our lines are open 24/7.

Addressing a gas leak in your home is a crucial first step to ensuring the safety and well-being of your family. The next step is to take appropriate actions that greatly contribute to preventing future risks and ensuring long-term safety. With these tips, you can establish an effective approach to gas safety that not only protects your loved ones but also fosters a sense of security within your home. Visit Mains Plumbers’ contact page and fill out the form to tell us the work you need us to complete.