Can you add double glazing to arched wooden windows?

Arched wooden windows are timeless architectural features that add charm and character to a property. With their distinctive curve and elegant shapes, they’re often standout pieces, especially in period homes. However, like many traditional window designs, their single-pane glazing can fall short when it comes to energy efficiency. Fortunately, upgrading to double glazing to arched windows is now both possible and a growing trend among homeowners. Here’s a practical guide to understanding how it works and what to expect.

What are arched windows?

Arched windows are defined by their curved tops, which soften the overall look of a building and add a sense of grandeur. These windows are available in diverse styles and sizes, from elegant gothic arches to more subtle designs such as segmental arches.

Some of the most common types include:

• Full arch windows: These create a perfect semi-circle at the top, making them a classic choice for period properties.
• Segmental arch windows: These have a gentler curve, blending traditional and modern aesthetics.
• Gothic arch windows: With their pointed tops, they make a dramatic statement and are often found in churches or historic buildings.
• Elliptical arch windows: A more elongated curve that works beautifully for larger spaces.

No matter the style, arched windows bring light, elegance, and personality to a home.

Why retrofit double glazing to arched windows?

Upgrading to double glazed arched windows isn’t just about saving on energy bills—though that’s a definite bonus! It’s equally about enhancing comfort while preserving the visual appeal of your home. Here’s why it’s worth considering:

• Energy efficiency: Single-pane windows can let out a lot of heat in winter and allow too much warmth in during summer. Retrofitting double glazing to arched windows creates better insulation, reducing heat loss and keeping your home at a comfortable temperature year-round.
• Reduced noise: If you live in a busy area, the additional layer of glass in arched windows double glazed units can block out much of the external noise.
• Preserving aesthetics: Modern arched windows double glazing retrofit techniques are designed to maintain the original look of your windows while adding a second pane of glass for improved performance.

Challenges of glazing arched windows

While the benefits are clear, it’s important to understand the challenges of retrofitting arched double glazed windows:

1. Crafting curved glass
   Unlike standard rectangular panes, the curved design of arched windows requires custom manufacturing. This process requires accurate measurements to guarantee the double glazed units seamlessly fit the existing frames.
    
2. Frame condition
   Before retrofitting, it’s crucial to inspect the window frames. Wooden frames must be strong enough to support the weight of double glazed arched windows. If the wood is damaged by rot or age, repairs or reinforcements may be necessary.
    
3. Higher costs
   Bespoke designs like arched windows double glazed typically cost more than standard double glazing solutions. Yet, the long-term advantages of improved energy efficiency and comfort typically justify the upfront cost.
    
4. Maintaining original design
   The unique look of arched windows is often part of a property’s charm. Poorly executed retrofits can alter the appearance, so it’s vital to work with professionals who have experience with arched windows double glazing retrofit projects.
    

How is retrofitting done?

The process of upgrading to double glazed arched windows involves several steps:

1. Assessment: Experts begin by inspecting your existing windows, taking detailed measurements of the curves and checking the frame’s condition.
2. Custom manufacturing: Tailored arched double glazed windows are designed to meet the precise specifications of the original design. This includes shaping the glass and ensuring it fits seamlessly into the frame.
3. Installation: Careful installation ensures the new double-glazed units retain the original aesthetic appeal. In cases where the frame needs repair, this is done beforehand to ensure a secure fit.

Alternatives to double glazing

When retrofitting isn’t an option, secondary glazing provides a viable alternative by adding an extra glass pane to the interior side of the window frame. While it doesn’t offer the same level of energy efficiency as double glazing, it’s a less invasive and more affordable option, especially for listed or heritage properties.

Materials for arched windows

When retrofitting or upgrading arched windows, the choice of materials matters. Two popular options are:

• Timber frames: Ideal for traditional homes, wooden frames retain the authentic look of a property. However, they demand consistent upkeep to protect against rot and deterioration.
• Aluminium frames: Sleek and durable, aluminium works well in more modern settings and offers excellent longevity with minimal upkeep.

Final thoughts

Upgrading to arched windows double glazed or retrofitting double glazing to arched windows is a worthwhile investment for homeowners who want to improve energy efficiency without compromising on style. Whether you’re dealing with classic gothic arches or modern elliptical designs, working with experienced specialists ensures a seamless result. And if double glazing isn’t the right fit, alternatives like secondary glazing still offer a practical way to improve insulation while preserving the beauty of your arched windows.