Is your central heating system dropping pressure? You might have a hidden leak!

How long can a hidden water leak go undetected?

Plenty of households around the UK are susceptible to leaks. But when certain leaks go unnoticed, it can leave devastating and expensive consequences. A hidden water leak can remain undetected for days, weeks, months, or in some cases even years, depending on its location, severity, and the materials surrounding it.

In this article, we’ll explore how long hidden water leaks can go undetected, the damage they can cause, and the warning signs you shouldn’t ignore.

How long can water leaks go undetected?

Depending on the type of leak, some may go unnoticed for years, especially if there are no visible surface signs. Sudden, high-pressure leaks, such as a burst pipe, are usually immediately discovered due to flooding or a sudden loss of water pressure. You can also get slower, low-pressure leaks that can continue unnoticed for months.

In some cases, by the time the leak is identified, structures, plaster, insulation and flooring may already be compromised. The longer a leak goes unnoticed, the greater the risk of serious property damage, and the higher the repair costs.

What issues do hidden water leaks cause? 

Undetected water leaks can create long-term damage that affects both your property and health.

Mould and damp

Moisture creates the perfect conditions for mould to grow. Not only is this bad for the structure of your property, weakening structural material, but mould can also lead to serious health issues, like respiratory problems, skin irritation and allergies.

Property and structural damage

Even a slow drip can cause significant damage if left unresolved. Continuous exposure to moisture can cause timber to rot, compromise insulation, cause plaster to crack, and warp flooring.

Pests

Damp areas attract certain pests you do not want hiding in your walls, ceiling, or floor. Some of the most notable pests linked to damp areas are: 

  • Mould mites
  • Silverfish
  • Termites
  • Cockroaches
  • Rodents (Mice and Rats) 
  • Ants

So, if you happen to find these pests, chances are your house has a damp area caused by a hidden leak!

What are the signs of hidden water leaks? 

Because a hidden water leak is concealed, early detection depends on recognising subtle warning signs:

Increasing water bill

One sign could be your water bill; have you noticed your bill increasing, whilst you know you’re not using more? Has it spiked over the past few months? A sudden spike or steady increase over several months could be a sign of a hidden water leak.

Visual signs

The most obvious signs are the visual ones. Damp patches on walls, floor warping, wet spots around your property, peeling paint. These are all visual indicators that moisture may be accumulating behind surfaces.

Unusual smells

Most people are nose blind when it comes to their home, so when you notice a musty smell or a smell that seems off, it’s normally a cause for concern. Mould, mildew, and damp have scents, and it’s best to address them before it causes more issues.

Let Harmuns detect your hidden leaks

If you suspect a hidden water leak in your property, early action is essential. The longer a leak goes unnoticed, the more extensive and expensive the damage can become.

At Harmuns, our WIAPS-approved and Gas Safe registered engineers have years of hands-on experience and carry the latest detection tools, from thermal imaging cameras to tracer gas kits. 

With a 5-star Google rating and top reviews on Trustpilot and Checkatrade, you can trust us to handle your leak with care and expertise. 

Contact us today and let our specialists identify and resolve your hidden leak before the damage spreads.

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About Harmuns

We are a specialist non-invasive pipe and water leak detection company here to fix your problems. We find hidden leaks on central heating systems, water mains and hot & cold water supply within the property.

Contact us for hidden
leak detection!

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that you can't find

We are not an emergency plumber. If you have a visible leak, please contact your local plumber.

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