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Why Do Windows Get Condensation?

Condensation forming on windows is a common issue in many properties and is usually caused by excess moisture within the indoor environment. While it may seem harmless, it can indicate underlying ventilation or humidity problems that should not be ignored.

condensation on the window
condensation and mould on the window

What Causes Condensation on Windows

Condensation occurs when warm, moisture laden air comes into contact with colder surfaces such as glass. Windows are typically one of the coldest surfaces within a property, making them particularly prone to condensation forming, especially during colder months.

Common Signs

  • Water droplets forming on the inside of windows

  • Condensation worse in the morning or overnight

  • Mould forming around window frames or seals

  • Excess moisture in bedrooms and living areas

Condensation on windows is not always a sign of structural damp, but it does indicate excess moisture levels within the property that need to be managed correctly.

Understanding whether condensation is linked to a wider damp issue is essential when diagnosing moisture problems. You can learn more in our condensation vs damp guide.

Contact Information

Pro Master Gecko 

124 City Road

London

EC1V 2NX 

Phone:   020 3488 7512
Email:    infodampgecko@gmail.com

Operating Hours:
Monday - Friday: 9:00 AM - 18.00 PM
Saturday:    Closed 
Sunday   :    Closed

  Pro Master Gecko.  All Right Reserved ©                 Expert Damp Management & Preservation                    Company Number 10423037

Pro Master Gecko Ltd trading as Gecko Damp Proofing.

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