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Wednesday, Mar 18, 2026

North London Gas Outage: Thousands Affected as Water Floods Pipelines

North London Gas Outage: Thousands Affected as Water Floods Pipelines

A burst water main in Muswell Hill leads to widespread gas supply disruption, impacting homes and businesses across multiple districts.
In an unprecedented infrastructure mishap, thousands of households and businesses in north London, specifically Muswell Hill, Friern Barnet, and North Finchley, have been abruptly left without gas supply after water infiltrated the gas pipelines.

This disruption has spurred an extensive emergency response effort lasting well into the week.

The complication began when a water pipe managed by Affinity Water burst, flooding the gas network operated by Cadent Gas.

As a result, over 3,000 properties are estimated to have lost gas service, necessitating immediate action by utility companies.

More than 100 engineers and support staff from Cadent Gas were deployed to the affected areas, working diligently to turn off gas supplies for safety reasons at each impacted site.

Commenting on the situation, Vicky Grieve, Network Director for Cadent and incident controller, provided insights into the ongoing efforts: "Cadent has been made aware of a loss of gas in the N10 area of North London.

Our engineers are on site to investigate the cause and make attempts to resolve the situation.

Early indications show that water has entered our gas pipes."

Grieve underscored the complexities involved in resolving the issue, noting, "We have a number of customers contacting us to let us know that they are affected, but at this stage, it is too early to say how many properties will be without gas.

Our teams will be on hand in the N10 area to continue to manage the situation, and we will be working with the local community to support our customers."

Affinity Water acted promptly to repair the burst water main, while Cadent Gas has successfully repaired the damaged gas pipeline to prevent additional water ingress.

However, before gas services can be fully restored, it is imperative that the water is thoroughly pumped out of the gas network, a process that Cadent Gas is preparing to undertake.

In the interim, Cadent Gas is coordinating closely with Affinity Water and various local agencies to mitigate the impact on residents and businesses.

Regular updates and guidance are being communicated to those impacted, with reassurances that support will remain consistent as efforts to resolve the gas outage continue.

Local residents and businesses have been advised to exercise patience as the restoration progresses.

This incident highlights the susceptibility of urban infrastructures to unexpected disruptions, emphasizing the importance of preparedness and prompt response in maintaining essential services.

The collaborative effort between Cadent Gas, Affinity Water, and local authorities aims to ensure that normalcy is restored expeditiously, minimizing prolonged inconvenience for the affected communities.
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