
When it comes to improving your home’s energy efficiency and comfort, few upgrades can match the benefits of installing double glazed windows.
What Is Double Glazing?
The term Double Glazing St Albans glazing describes windows that feature two panes of glass separated by a layer of air or gas. Such a setup works to reduce heat transfer, helping maintain a consistent indoor temperature year-round.

Modern double glazing units also often include special coatings, gas infills, and high-performance frames to further enhance performance.
Why Choose Double Glazing?
Double glazing has become a popular choice among homeowners, and for good reason. Here are some of the main benefits:
- Say goodbye to high energy bills with the superior insulation of double glazing.
- Noise Reduction: Keep out unwanted noise from traffic, neighbors, or the outdoors.
- Protect your home with the added security of double glazed windows.
- Boost the market value of your property with upgraded windows.
Planning Your Double Glazing Installation
Before the installation process begins, consider the following steps:
Begin by identifying the windows or doors you want to upgrade. Focus on single-glazed or drafty windows first.
The next step is selecting the right style and frame material. uPVC is popular for its affordability and durability, while timber offers a more traditional look and aluminum provides a sleek, modern finish.
Finding a Trusted Double Glazing Company
Although some experienced DIYers might be tempted to install double glazing themselves, hiring a professional is usually the best choice.
Check that your installer has FENSA or CERTASS certification to ensure compliance with building regulations. Get recommendations, check online reviews, and request detailed quotes.
Reliable companies will manage the entire process, including cleanup.
The Installation Process
When the big day arrives, the process typically unfolds as follows:
- The team will begin by safeguarding your home’s interior from debris.
- Next, the old frames and panes are taken out with care.
- Then, the double glazed windows are installed and adjusted.
- Finishing Touches: Trims, sealants, and locks are added, and the site is cleaned.
Expect the process to last one to two days, though larger jobs may take longer.
Troubleshooting Common Issues
Occasionally, installers encounter surprises during the process. For example, damaged frames or structural problems may be uncovered when old windows are removed.
Qualified installers have the expertise to handle such surprises efficiently. Communication is key—ask your installer to keep you informed about any issues and solutions.
Aftercare and Maintenance
Once your double glazing is installed, proper care will keep it performing well for years. Clean the glass regularly using mild detergent and water.
Monitor the seals over time to make sure they stay airtight. If you notice condensation between the panes, contact your installer—it could indicate a failed seal.
Keep hinges and locks working smoothly with annual lubrication.
How Double Glazing Helps the Planet
Installing double glazing has environmental advantages as well. Because it lowers your energy use, double glazing helps shrink your carbon footprint.
Many manufacturers now use recycled materials in frames and energy-efficient glass. Discuss green options with your supplier.
How Much Does Double Glazing Cost?
Double glazing prices depend on window dimensions, frame materials, and style. Generally, homeowners can expect to pay between £400 and £600 per window, though premium options may cost more.
Although the initial investment can feel steep, the long-term savings on energy bills and the added value to your home often make double glazing a worthwhile upgrade.
Wrapping Up
Double glazing installation is one of the smartest home improvements you can make. You’ll enjoy better comfort, energy savings, security, and property value.
By planning carefully, choosing the right installer, and maintaining your windows, you can enjoy the many benefits of double glazing for years to come.