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22 Oct 2025

With temperatures to dip as low as -7 degrees, NI Water issues advice to householders

Tipperary water disruption as large parts of Clonmel left without water today

With the Met Office predicting lows of up to -7 degrees this evening, NI Water would like to remind customers of some small things they can do to protect their pipes and properties from leaks and bursts.

Keep your home heated with a thermostat, insulate your pipes, open doors to allow warm air to circulate to unheated areas of your home and know where your stop valve is located in the event of a leak.

NI Water education officer Anna Killen said: “When a pipe bursts in freezing weather, it’s similar to a frozen bottle of water cracking because the water expands as it freezes, putting pressure on the pipe and causing it to break. This might lead to a burst and possible flooding inside your home which can have a devasting impact on your property and belongings. A few simple steps can go a long way to help avoid this.”

NI Water’s top tips include:

Check your inside stop valve - Check to ensure it can be opened and closed easily in the event of a leak. Most can be found under your kitchen sink but could also be located under the stairs or in the downstairs toilet.  Also check everyone in the house knows where the stop valve is located and how to turn it off. Receive a free stop tap tag by completing NI Water’s online water audit HERE

Keep your home warm - Leave heating on for longer periods at lower settings, even while away. Doing this allows warm air to circulate, and will help prevent pipes and tanks from freezing in the cold weather

Circulate warm air to unheated areas - Opening doors to unheated areas of your home (e.g. attics) occasionally to allow warm air to circulate can prevent pipes and tanks from freezing in the cold weather

Insulate water tanks and pipes - All exposed pipes, including attic pipes should be adequately insulated. Insulate or wrap a towel around outside taps to help prevent them from freezing over

Check you have home insurance - check your insurance company offers you protection from the large scale damage that mother nature can sometimes cause

Keep the name of a plumber handy - type in your postcode HERE  to find your nearest accredited plumbing business

Protect outdoor taps – consider using an insulated tap cover to add an extra layer of protection to outdoor taps. Receive a free outdoor tap cover by completing NI Water’s online water audit HERE

 

More helpful advice and tips are available on NI Water’s website at www.niwater.com/winter-proof-your-home/

 

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