Secondary glazing is a way to improve the efficiency of windows that leaves the original window untouched. However, secondary glazing does have its drawbacks. As well as being difficult to clean, it can look visually unappealing. 

At Andrew Jaynes, we provide alternatives to secondary glazing which can give you greater efficiency, as well as improving the overall aesthetic, inside and out. 

Here we’ll provide answers to the most common questions you have about secondary glazing, and look at how a glazing replacement or a complete window replacement can offer a much better finish.

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What is secondary glazing for windows?

Secondary glazing is a retro-fitted frame that is independent of the window itself, and is usually fitted on the inside of an existing window. It is designed to offer an upgrade to the performance of existing traditional timber windows that are cold and draughty.

Secondary glazing in listed buildings

When homeowners want to replace or upgrade the windows in their listed buildings, the local authority conservation department will usually try to steer them towards secondary glazing

The conservation department has a duty to safeguard the historical appearance of our towns and villages. However their recommendations can sometimes be at odds with the wishes of the homeowner, who wants improved functionality and increased warmth in their homes.

The most common area of debate surrounds the use of double glazing in listed buildings. However, Andrew Jaynes can help. Our wide range of glazing solutions enhance the period character of your home, but without compromising on performance.

How to change windows in a listed property?

How effective is secondary glazing?

Secondary glazing does improve the warmth and sound insulation. However, it is visually disruptive to the inside of the windows and can be notoriously difficult to open and clean. It is no coincidence that we frequently replace windows that have had secondary glazing fitted in the past.

There are alternatives to secondary glazing that may be better suited to your needs. Before you invest in secondary glazing, explore your options by consulting a glazing expert like Andrew Jaynes first.

Best alternatives to secondary glazing?

1) Complete window replacement

When to use? Where windows are in a poor overall condition or to benefit from the greatest improvement in warmth and functionality

Why choose it? Andrew Jaynes  provides complete window replacement on a range of listed buildings in Kent, and the surrounding areas. Our windows are designed to offer authentic traditional appearance but with overall a modern performance that cannot be matched.

How does it work? Your existing windows will be removed and replaced with one of the more efficient timber windows that we manufacture. We regularly install windows in conservation areas and listed buildings and understand exactly what’s involved. We can even obtain planning consent on your behalf.

 

2) ‘Sash Only’ Replacement

When to use? On single glazed sash windows where the box frames are in fairly good condition. Or where their removal would be overly disruptive.

Why choose it? When the existing box frame is in sound structural condition, you can choose to replace just the sliding sashes fitted into the existing box frame. This takes less time and can be more affordable than a complete window replacement. It often works out more efficient to make new fully glazed sashes as opposed to repairing existing ones.

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How does it work? The moving sashes are replaced with an upgraded version that incorporates insulated glazing and draught sealing. The existing box frame is retained which minimises any disruption to you during installation.

3) Glazing Upgrade

When to use? When the existing single glazed window is in good structural condition but your home is cold and draughty.

Why choose it? This is a great option when a glazing replacement is needed to improve the efficiency of an existing window without altering the appearance or fabric of the window.

How does it work? Andrew Jaynes will install a revolutionary high-performance vacuum sealed glazing unit, called Fineo, which has an overall thickness of just 8mm and the same insulation as triple glazing. Alternative “slim profile” double-glazing units are notorious for problems. However, our Fineo glazing units are made to a much higher specification, which is why they come with an 15 unrivalled year-guarantee.

For you, this means your home will stay warm in the winter and cool in the summer, with a notable reduction in the noise from outside.

Contact Andrew Jaynes

To find out more about alternatives to secondary glazing, get in touch with Andrew Jaynes today


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