Gas Safe registered · No. 932798 ★★★★★ 9.8 Checkatrade · 145 reviews ★★★★★ 4.9 Google · 312 reviews Company No. 12326959 24/7 · including bank holidays
Emergency · London · 24/7

No Water in London? Here's Why, and What to Check First

Total loss of water is either the network, the stopcock, or a freeze, and each has a different right answer.

No water at all in London
No call-out feeNo night or weekend surchargeFixed price before we start12-month workmanship guarantee

Two minutes of checks usually says which, and saves a callout when it's the water company's problem, not yours.

No water at all in London: do this now, while you wait

  1. Ask a neighbourIf they're dry too, it's the network, check your water company's incident map and report it. No plumber required.
  2. Check both stopcocksThe internal one (make sure it hasn't been knocked closed) and the outside meter valve, water company work sometimes leaves them half-shut.
  3. In freezing weather, suspect a freezeCold water only, upstairs only, one bathroom only, partial loss patterns point at a frozen run, not the mains.
  4. If you hear water you can't see, stopcock offNo supply at the taps plus the sound of running water can mean the supply pipe has burst underground. Close the stopcock and call.
Why it happens in London

What causes no water at all in London

  • 01
    Network outage or mains work

    The water company's problem, and their compensation scheme, worth knowing about.

  • 02
    Closed or failed stopcock

    Stopcocks get knocked, seize half-open, or fail internally, the gate drops off old gate valves silently.

  • 03
    Frozen supply pipe

    The run from the boundary to the house freezes where it's shallow or exposed.

  • 04
    Burst supply pipe

    A soggy patch on the path or a hissing meter with dry taps, the leak is between the boundary and your kitchen.

What this means in London

Local conditions we work around

London runs on some of the hardest water in the country, roughly 280 to 320 ppm from the chalk that Thames Water draws on. Scale is the quiet cause behind a surprising share of the emergencies we attend: it narrows pipework, coats heat exchangers until a boiler overheats and locks out, and seizes the very stopcock you need at two in the morning. Add pipework that in much of the city dates to the Victorian or Edwardian build and was last touched in the 1960s, and the failures cluster in ways we can usually predict from the postcode before we arrive.

Where we do this in London

Covered across London

Same published rate card and the same twelve-month workmanship guarantee everywhere below, there is no postcode loading. Each area has its own page with an arrival time taken from our job records rather than chosen for a website.

Straight answers

No water at all in London, your questions

Whose pipe is it?
From the boundary stopcock into the house is yours; from the main to the boundary is the water company's. A leak on their side is free to you; on your side, some water companies offer one subsidised supply-pipe repair, ask before commissioning anyone, including us.
You said check the incident map, where?
Every UK water company runs a live incidents page (Thames Water and United Utilities for our two cities). If your postcode shows an incident, the fix and the timeline are theirs.
My neighbours have water and I don't, what will you do?
Trace the loss: stopcock function, freeze check in winter, then pressure-test the supply pipe. If it's burst underground we locate it before any digging, a moling repair often avoids trenching the path at all.
What does a supply pipe repair cost?
Locating is part of the fixed quote; repairs range widely with depth and surface (£300–£1,500). You get the number, in writing, before a spade touches the ground.
Does London water make this more likely?
Frequently, yes. London runs 280 to 320 ppm off the chalk aquifer, and scale is the quiet cause behind a large share of the emergencies we attend, it narrows pipework, coats heat exchangers until a boiler overheats and locks out, and seizes the stopcock on the one night you need it to turn. Add pipework that in much of the city was last touched in the 1960s and the failures cluster in ways we can often predict from the postcode.
24 hours · 365 days · London

Water where it
shouldn't be? Call.

A person answers, not a menu. You'll have an arrival time and a price range before you hang up.

020 3674 8514

Or WhatsApp 07865 292684, photos help us bring the right parts

Our engineers