No Water in My House? Check Home vs Mains First

ByLance Baker

Why no water in my house needs a quick check first

If you have no water in my house this morning, the cause may be a network interruption, a closed internal stop tap, a private supply-pipe problem, or work that only affects your property. Before you assume the boiler or a pump has failed, spend a few minutes separating a mains outage from a fault inside the home. This tip is for domestic householders in Clare, Sudbury, Haverhill, Long Melford and nearby villages — not commercial plant rooms.

No water in my house: home fault or the mains?

  1. Ask a neighbour (or two). If several homes have no cold water, the issue is often on the public network. Check Anglian Water’s postcode checker and updates, or Essex & Suffolk Water if that is your supplier, and look for planned work notices or texts/emails if you are the account holder.
  2. Confirm your inside stopcock is fully open. The internal stop tap (often under the kitchen sink, in a cupboard, garage, cellar or under the stairs) should be fully open, then turned back a quarter turn so it is less likely to seize — that is Anglian Water’s usual advice. Turn it gently by hand only. Do not force a seized valve with grips or a wrench.
  3. Try more than one cold tap. Open a cold kitchen tap and a bathroom cold tap. If every cold outlet is dry but a neighbour still has water, the problem is more likely on your private pipework, meter or internal fittings than a street-wide outage.
  4. Do not dig or force the outside/boundary stop tap. The boundary box is usually water-company apparatus. It may need a special key, and operating it can cut off neighbours on a shared supply. Report a faulty external stop tap or a suspected leak on the company side to Anglian Water (or Essex & Suffolk Water) rather than excavating or dismantling it.
  5. Rule out the obvious indoor isolations. Check appliance isolation valves and any second indoor valve you already know works. Do not assume a silent boiler or immersion means a mains failure — heating and hot water need their own checks once cold water is restored.
  6. Keep water issues away from electrics. If there is damp near sockets or the consumer unit, keep clear. You may reset a tripped RCD or MCB once only if the area is completely dry and safe; if it trips again, leave it off and call a registered Part P electrician.

When to stop and call us

  • Neighbours have water, your inside stopcock is open, and you still have no water in my house at the cold taps.
  • You suspect a private supply-pipe leak, meter chamber problem on your side, or a closed/broken fitting you cannot safely identify.
  • Water has stopped after recent plumbing work and a simple open-stopcock check does not restore flow.
  • You need help isolating the home safely because the stopcock is seized, missing or leaking (see our separate tips on finding and replacing stopcocks).
  • You are unsure whether the fault is yours or the water company’s and want a plumber to check the private side while you report any network concern.

For urgent help with emergency plumbing when the cold supply fails at home, call 01787 278511 or call/WhatsApp 07825 348536 (WhatsApp) — with over 10 local engineers, we’ll attend as soon as possible, even at midnight. No call-out fee.

Useful safety notes

  • Report confirmed network interruptions and quality notices to your water company; follow any boil or do-not-use advice they issue.
  • Never work on street-side apparatus, dig up the boundary box, or force a seized outside stop tap.
  • A dry boiler display or lack of hot water is not proof of a mains outage — restore or diagnose the cold supply first, and never open a boiler casing or work on gas pipework yourself. Only a Gas Safe registered engineer may work on gas appliances; check engineers at gassaferegister.co.uk.
  • Smell gas or suspect carbon monoxide: leave the property, open doors and windows if safe, do not use switches or flames, turn off at the meter only if safe, call the National Gas Emergency Service on 0800 111 999, and seek medical advice for CO symptoms.

Further reading

This is general safety guidance. If you’re unsure, stop and call a qualified engineer.

Anglian PHE Ltd — Top Floor, 4 Market Hill, Clare, Sudbury CO10 8NN · Gas Safe 572792 · NAPIT registered · Trading since 1993 · Rated Excellent on Google, 60+ reviews

Call 01787 278511 · Call/WhatsApp 07825 348536 · WhatsApp

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