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Problem Guides

Noisy Pipes

Banging, whistling, ticking, gurgling or vibrating

9 free DIY guides · 15 total

Banging, ticking, whistling, or gurgling pipes are rarely a sign of serious structural damage — but they can be persistent, and occasionally they do point to something that needs fixing. Water hammer (a loud bang when you turn off a tap) is caused by high pressure or unsupported pipework; ticking from copper pipes is almost always thermal expansion; gurgling usually means trapped air or a partial drain blockage. These guides help you track down exactly which pipe is making the noise, identify the underlying cause, and apply the right fix — whether that's lagging, a pressure-reducing valve, or simply bleeding a radiator.

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When does the noise happen?

Banging Noise When Heating Comes On — Causes and Fixes
Banging or knocking from pipes when the heating fires up is usually caused by thermal expansion or a failing pump.· 1–3 hrs
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Banging or hammering when taps are usedFree
Loud thud when a tap is turned on or off· 30 min–1 hr
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Boiler making kettling, rumbling, or banging noise
Boiler sounds like a boiling kettle — rumbling or banging when firing· 1–4 hrs (engineer)
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Central heating making gurgling or bubbling noisesFree
Gurgling sounds from pipes or radiators when heating is running· 30–60 min
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Clicking or Ticking from Radiators — Is It Normal?Free
Clicking or ticking sounds from radiators as they heat up and cool down are usually normal thermal expansion — but persistent clicking may indicate air or a flow issue.· 30 min
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Fixing water hammer (banging pipes)Free
Loud bang when a tap is turned off· 30 min–2 hrs
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Noisy central heating pump
Whirring, grinding, or gurgling sound from the pump· 5–10 min
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Pipes Bang When a Tap Is Turned OffFree
Loud single bang or thud from pipes immediately when you turn a tap off quickly· 30–90 min
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Pipes making a humming or vibrating noise
Constant or intermittent humming sound from water pipes· 30 min–2 hrs
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Pipes making ticking noise when heating comes onFree
Ticking or creaking from pipes as heating starts· 30–60 min
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Pipes vibrating or humming when taps are turned on
Humming or vibrating noise throughout pipes when water is used· 20–40 min
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Radiator Gurgling or Trickling NoiseFree
Gurgling, trickling, or running water sound from a radiator when heating is on· 15–45 min
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Ticking or creaking pipes from the heating systemFree
Clicking or ticking sound from pipes when heating turns on or off· 1 hr
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Water hammer — pipes banging when taps are turned off
Loud bang or thud from pipes when a tap or valve is closed quickly· 30 min–2 hrs
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Whistling noise from pipes — causes and fixesFree
High-pitched whistling or singing sound from water pipes· 30–60 min
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