A serious water emergency is a pipe that has burst (could be a frozen pipe), as you have little time to act before the water is potentially up to your knees and also creating havoc with the very fabric of your home. And that is without it creeping into your electrical system!Things to do ASAP:1). The first thing to do is definitely isolate the mains water supply, that is the whole mains. The stopcock should be in the kitchen under the sink or under the stairs depending on the design and age of your property. Then Drain the system, achieved by turning on all your cold taps and flushing the toilet.2). Should the water water be in the vicinity of your electrics or electrical appliances, switch off the electrical mains as well quickly, to avoid electrocution. If the mains switch is wet, don’t touch it or you could risk a nasty shock or worse. Turn off the central heating, immersion heater and any other water heating systems. A professional service such as Lewisham Plumbers will give expert advice on all emergencies.3). If water has been leaking for some time and the ceiling(s) are bulging, room(s) may not be safe to enter. If the ceiling is bulging and you’re sure that there is no immediate danger, pierce a small hole in the bulge with a screwdriver or sharp tool and let the water drain. If you’re at all unsure about fixing a burst pipe by yourself, call in an expert like a Lewisham Plumber to repair the problem. Help prevent future burst pipes by taking a few steps to stop your pipes from bursting again.1). Make sure that plumbing problems like dripping taps are addressed with repair as they can freeze.2). On cold days open up the loft door and allow warm air from below to circulate.3). Insulate all visible water supply pipes.d). Isolate the water supply to your house and drain the pipework if you are going away for a while.e). Insulate the loft.“