Turn off the main stop tap – it should be in the cupboard under the kitchen sink or where the service pipe comes into your home. Drain the cold water system by turning on all your cold taps. And keep an eye on your ceilings. If water has been leaking for a while, there may be some damaged plaster waiting to fall. Carefully make a hole in the ceiling to let water out if it starts to bulge.
Switch off your central heating, immersion heater and any other water heating systems. If the central heating uses solid fuel, let this die out. Once your water heating has shut down, turn on the hot taps to help drain the system.
If water leaks near anything electrical – lights, sockets or appliances – don’t touch them. Switch off the electricity supply straight away. Electrical wiring damaged by water can be very dangerous and you will probably need to call in a professional to repair any damage.
If you need a plumber to help you repair the leak then the Water Industry Approved Plumbers scheme may be able to help you.
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