How to Prevent Frozen Pipes This Winter in Belfast

Every winter, Belfast plumbers see a surge in burst pipe callouts. When water freezes inside pipes, it expands and can crack or split the pipe. When it thaws, you've got a flood on your hands. Here's how to protect your home.

Insulate Your Pipes

Pipe lagging is cheap and easy to fit. Focus on pipes in unheated areas — lofts, garages, under kitchen sinks against outside walls, and any pipework in crawl spaces. Foam pipe insulation from any Belfast hardware shop costs just a few pounds and takes minutes to fit.

Keep Your Heating Ticking Over

If you're going away during winter, don't switch your heating off completely. Set it to come on for a few hours each day at a low temperature — even 10-12 degrees is enough to prevent pipes from freezing. This is especially important in older Belfast properties with less insulation.

Know Where Your Stopcock Is

If a pipe does burst, you need to shut off the water supply fast. Make sure everyone in your household knows where the main stopcock is and can turn it. Test it now — stopcocks that haven't been turned in years can seize up.

What to Do If Your Pipes Freeze

If you turn on a tap and nothing comes out during cold weather, you likely have a frozen pipe. Don't use a blowtorch or direct flame. Instead, gently warm the pipe with a hairdryer or hot water bottles, working from the tap backwards. If you can't locate the frozen section or if the pipe has already split, call a plumber immediately.

Areas of Belfast Most at Risk

Properties in exposed or elevated areas of Belfast — such as parts of North Belfast, the Castlereagh hills, and outer suburbs — tend to experience colder temperatures and are more vulnerable to frozen pipes. Older terraced houses with pipes running through uninsulated walls are particularly at risk.