Condensation on Windows in Chippenham – Causes, Fixes & Repair Costs

Condensation on Windows in Chippenham – Causes, Fixes & Repair Costs

Condensation on windows is a common issue in Chippenham and the surrounding villages, particularly in colder months and in well-insulated homes.

Some condensation is completely normal and nothing to worry about. Other types are a clear sign that your double glazing has failed and needs repairing. Knowing where the condensation appears is the key to knowing what to do next.

Below, we explain the causes of window condensation, how it can be fixed, and when professional repair is needed.

What Causes Condensation on Windows?

There are three main types of window condensation, each with different causes and solutions.

Condensation on the Outside of a Window

Cause

External condensation usually appears:

• Early in the morning
• During mild but humid weather
• When outside air is warmer than the glass

This happens when moisture in the air condenses on the cold outer pane.

Is it a problem?

No. External condensation is often a good sign.

It usually means:

• Your windows are insulating well
• Heat is being retained inside your home

Once the sun warms the glass, it normally clears naturally.

✅ No repair required

Condensation on the Inside of a Window (Room Side)

Cause

This occurs when warm, moisture-laden air inside your home meets a cold glass surface.

We often explain this using the dew point:

Think of taking a cold can out of the fridge.
Water droplets quickly form on the outside.
That’s warm air cooling against a cold surface and releasing moisture.

Your window behaves in exactly the same way.

Common causes in Chippenham homes

• Cooking and showers
• Drying clothes indoors
• Limited ventilation
• Cold winter temperatures

Is this a window fault?

Usually no. This type of condensation is more related to ventilation and humidity levels than the window itself.

Improving airflow often helps:

• Use extractor fans
• Open trickle vents
• Improve general ventilation

Condensation Inside a Double Glazed Unit (Between the Glass)

Cause

If condensation appears between the panes, the sealed unit has failed.

Over time:

• The perimeter seal breaks down
• Insulating gas escapes
• Moisture enters the unit

This is commonly known as blown or misted double glazing.

Signs of failed double glazing

• Cloudy or fogged glass
• Condensation that never clears
• Water droplets trapped inside the unit

❌ This type of condensation is not normal and will not resolve itself.

How Can Condensation Be Fixed?

The solution depends entirely on where the condensation is.

✔ Outside condensation

• No action required

✔ Inside room-side condensation

• Improve ventilation
• Reduce indoor humidity
• No window replacement needed

✔ Condensation inside the double glazing

• The sealed glass unit must be replaced
• The existing window frame usually stays
• Far more cost-effective than replacing the whole window

Replacing just the glass restores insulation and improves the appearance of the window.

How WinRep Services Can Help in Chippenham

WinRep Services provide professional window repair services in Chippenham, specialising in repair rather than replacement.

We regularly help homeowners with:

• Replacing blown or misted double glazed units
• Matching patterned or obscure glass
• Improving insulation and clarity
• Honest advice if no repair is needed

If your window frames are in good condition, we can usually restore them by replacing just the glass.

How Much Does It Cost to Fix Blown Double Glazing in Chippenham?

The cost depends on:

• Size of the glass unit
• Type of glass (toughened, patterned, energy-rated)
• Accessibility

To make pricing simple and transparent, we offer:

• ✅ An online pricing calculator for instant estimates
• ✅ Free quotes, bookable online
• ✅ No obligation, no pressure

Most customers find glass replacement far more affordable than expected.

Not Sure What Type of Condensation You Have?

If you’re unsure whether your windows need repairing, we’re happy to help.

👉 Try our online pricing calculator
👉 Or book a free quote online

WinRep Services – trusted window repairs in Chippenham and the surrounding areas.

Click Here for glass replacement and Window Repairs in Chippenham