Air lock


Hi Folks.
My cold water supply to the bathroom makes a very loud noise when turned on. It sound as if there is an air lock. How can I sort this? Also my water pressure is all over the place if the cold water is on and I flush the loo the cold water goes to a trickle. Also if the taps are both on ,say in the bath they trickle until one is turned of. What's going on?
T.I.A
Micky Leeds.
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I think that we need more information. Is the supply to these fittings from a storage tank in your house or from the mains? Are the fittings upstairs with others down below? Has the problem always been there or is it new and if so has anything changed?

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about 3 weeks.Water pressure has changed. If the washer is filling , the taps go to a trickle.
Thank you
Mick.
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First thoughts are that there will be a burst somewhere. Late at night with everything turned off listen at the tap or fitting nearest the incoming supply. Ideally if you know the position of the stop cock place a turn key on it and listen there.

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It's just my house. I have just noticed that some of my rads need bleeding, after a repair , could that be something to do with it?
Thanks.
Micky
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Radiators (central heating) are on a completely different system from the domestic plumbing so that would have no effect. Very slim possibility that in doing a repair the domestic plumbing was damaged and so has a leak. You can still listen at night and see if you can hear any strange hiss or noise. What do you mean when you say that the water pressure has changed? Has the water department or a plumber had cause to shut the water off at your external stop cock?

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