💧 Maintenance

How to detect small water leaks at home

Use visual signs, meter checks and leak sensors to catch small water losses before they become major damage.

Reading time4–6 min
LevelBasic
TypePractical guide
Key ideaA slowly changing meter reading with all outlets off can be an important clue, but it does not tell you where the leak is.
IN 30 SECONDS

What you need to know

  • Look for staining, swelling, musty smells and unexplained damp.
  • Use the water meter as a whole-property check when appropriate.
  • Place leak sensors where a small escape of water is likely to collect first.

Use your own measurements

BricoDato tools help turn the guide into quantities, kWh, cost or a project plan.

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01 · LEARN

Look for early signs

Watch for discoloured paint, swollen boards, damp cabinet bases, mould odour, dripping safety valves and unusually high water use.

02 · LEARN

Try a meter check

With taps and water-using appliances off, note the meter and wait without using water. Movement can indicate leakage, though tanks, heating systems or automatic devices may complicate the test.

03 · LEARN

Place sensors where they help

Good locations include under sinks, near washing machines, dishwashers, water heaters and other points where a leak can spread unnoticed.

04 · LEARN

Know when to call a professional

Hidden leaks, repeated pressure loss, ceiling stains, damaged electrics or inaccessible pipework should be investigated by a qualified professional.

QUALITY CHECK

Final check

Before buying material or doing the work, review the assumptions and technical limits that matter for your specific product, room or installation.

  • Photograph and date changing damp marks.
  • Check appliances and valves.
  • Use the meter only when all legitimate water use is stopped.
  • Act quickly if water is near electricity or structural materials.
BricoDato idea: save the starting measurements and the final result so you can repeat the same check later instead of relying on memory.
SAVE THIS

Keep a small job sheet

Record the measurements, product reference, technical values you used, date and final result. For maintenance or diagnostics, also note the conditions at the time. A short written record makes future comparisons much more reliable.

NEXT STEP

Turn the guide into a decision

Use your measurements and the manufacturer’s technical data. If the decision affects fixed electrical work, structure, hidden leaks, refrigerant systems or another safety-critical installation, consult a qualified professional.

KEEP LEARNING

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