If you’re looking to upgrade your home and cut down on energy bills, few upgrades can match the benefits of installing double glazed windows.
What Is Double Glazing?
Double glazing refers to windows that feature two panes of glass separated by a layer of air or gas. This configuration is designed to reduce heat transfer, making your home warmer in winter and cooler in summer.
Modern double glazing units also often include energy-efficient technologies like Low-E coatings and gas infill 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:
- Better energy efficiency means you save on heating and cooling costs.
- Enjoy a quieter, more peaceful home environment.
- Protect your home with the added security of Double Glazed Windows St Albans glazed windows.
- Increased Property Value: Double glazing can raise the resale value of your home.
Planning Your Double Glazing Installation
Before the installation process begins, consider the following steps:
First, assess which windows need upgrading. Older, single-pane windows are prime candidates.
Next, choose your preferred window style and materials. You might opt for uPVC, which is cost-effective, or timber offers a more traditional look and aluminum provides a sleek, modern finish.
Finding a Trusted Double Glazing Company
While DIY installation is possible, hiring a professional is usually the best choice.
Choose a company that’s FENSA or CERTASS certified to ensure compliance with building regulations. Ask for references, read reviews, and compare multiple quotes.
A reputable installer will handle everything from initial measurements to post-installation cleanup.
What to Expect on Installation Day
When the big day arrives, the process typically unfolds as follows:
- Preparation: Installers will cover floors and furniture to protect against dust and debris.
- The old windows will be removed cautiously to avoid structural damage.
- Then, the double glazed windows are installed and adjusted.
- The final step includes sealing, adding hardware, and cleaning up.
Most installations take one to two days, depending on the number of windows and site conditions.
Troubleshooting Common Issues
It’s not uncommon for some challenges to come up along the way. For example, damaged frames or structural problems may be uncovered when old windows are removed.
A skilled team can solve these problems without delaying the project. Maintain open communication with your installer to stay aware of any developments.
Maintaining Your New Windows
When the installation is done, 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 condensation appears inside the unit, contact your installer—it could indicate a failed seal.
Lubricate the hinges and locks annually to ensure smooth operation.
Environmental Impact and Sustainability
Installing double glazing has environmental advantages as well. Since it cuts down on heating and cooling demand, double glazing helps shrink your carbon footprint.
Today’s double glazing often incorporates recycled or eco-friendly components. Ask your installer about environmentally friendly options.
Cost Considerations
Several factors affect the cost of installing double glazing, such as size, materials, and design. Generally, homeowners can expect to pay £400–£600 per window, but prices rise for luxury features.
Though it’s a considerable investment upfront, the long-term savings on energy bills and the added value to your home often make double glazing a worthwhile upgrade.
Final Thoughts
Fitting double glazing is among the most beneficial upgrades you can choose. You’ll enjoy better comfort, energy savings, security, and property value.
With proper planning, expert installation, and good maintenance, you can enjoy the many benefits of double glazing for years to come.