Not all leaks are obvious. Sometimes water damage builds up slowly, causing serious problems before you even notice. A hidden leak can waste water, increase your bills, and damage your property. Here are five common signs that you might have a leak in your home — and a simple test you can do yourself.

1. Unexplained Higher Water Bills

If your water bill suddenly jumps without any change in your usage, a hidden leak could be the cause. Even a small, slow drip can waste hundreds of litres over time.

2. Damp or Musty Smells

That musty odour in your bathroom, kitchen, or airing cupboard may be a sign of damp caused by a hidden leak. If cleaning doesn’t remove the smell, it’s worth checking for moisture behind walls or under floors.

3. Mould or Mildew on Walls and Ceilings

Mould loves damp conditions. If you notice mould appearing in unusual places (not just in the bathroom), it could be a red flag that a pipe is leaking nearby.

4. Warm Patches on the Floor

If you have central heating pipes running under your floor, a warm patch could mean a leak in your hot water system. This is especially common in homes with underfloor heating.

5. Cracks in Walls or Ceilings

Water leaks can weaken plaster, wood, and even brickwork. Over time, this can cause cracks to appear in walls and ceilings. If you see new cracks forming, don’t ignore them.

🛠 Quick DIY Check for a Hidden Leak

Here’s a simple way to check if your home may have a hidden leak:

Turn off all taps and appliances that use water (washing machine, dishwasher, showers, baths, etc).
Make sure no water is being used anywhere in the house.
Go to your water meter and watch it for a few minutes.
Look at the small silver spindle on the meter. If it’s rotating even though no water is running, this is a strong indicator of a leak in your property.

If you spot movement, it’s time to get it checked professionally.

✅ Why Early Detection Matters

Left untreated, hidden leaks can cause structural damage, rot, and costly repairs. The sooner you act, the easier and cheaper it is to fix.

📞 Suspect a Hidden Leak in Your Home?

At Empro Plumbing, we use advanced leak detection methods including thermal imaging, acoustic sensors, and tracer gas to find hidden leaks quickly and accurately.

👉 Call us today on 0800 830 3636 or email jobs@emproplumbing.co.uk for fast, reliable leak detection in Whitstable, Folkestone, and across Kent.