What is secondary glazing?

Secondary glazing is simply an extra pane of glass fitted 100mm from the existing pane; this gap between the glass panes can reduce heat loss by up to 70%! Our secondary glazing is tailored to you, so your new glazing will be the perfect fit for your existing windows. Upgrading to secondary glazed units will reduce your energy bills and make your home a cosier place to be, without compromising the authenticity of your original windows.

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Noise insulating windows

Secondary glazing is effective at reducing the amount of external noise from traffic, schools, and people passing by your home. The added slimline glass pane offers an additional barrier that prevents loud noises from entering your home. After you have had secondary glazing installed, your home will be a peaceful place to work, relax, and sleep no matter the time of day!

Thermally efficient windows

Utilising innovative techniques that replicate our sophisticated double-glazing designs, secondary glazing significantly improves the thermal performance of your home. By incorporating another glazed panel, the insulating space between it and the existing window acts an insulator; the precious heat inside your home cannot escape through the tightly sealed unit and draughts cannot get in. In addition, tired windows are susceptible to condensation, which is an obvious sign of poor thermal performance. Therefore, by having secondary glazing panels installed, condensation will soon be a thing of the past.

An incredibly important factor to mention is energy efficiency is essential to modern home buyers, so secondary glazing will make the property more sellable and can also add value, up to 10%!

House prices in Sheffield
Flush Sash Windows
Flush Sash Window

Highly secure windows

Providing better defences again intruders, secondary glazing will improve the security of your home. Single glazed or old double-glazed windows offer little protection and are often targeted by burglars as they are an easy route into your home, that requires minimal force. So, updating your windows with robust secondary glazing means your home will be less vulnerable and you will have peace of mind that you and your family are safe for decades to come.

3 ways to spot that your windows & doors are a security hazard

Bespoke secondary glazed windows

Whether you are getting secondary glazing installed on your existing windows, or as part of a full set of replacement windows, we offer an array of window designs including practical casement windows and stylish flush sash windows. No matter what design you choose, your new windows can be customised to perfectly complement your home and are compatible with secondary glazing panels.

Our range of high-performance windows come in two versatile materials, uPVC & aluminium. Plus, they can be finished in a plethora of beautiful RAL colours including alluring hues like tranquil Chartwell Green and contemporary Anthracite Grey. Along with several realistic wood effect foils, you can preserve the heritage character of your home with ease with secondary glazing installed by Sheffield Double Glazing Company.

Windows
Black Flush Sash

Arrange your free quotation today

If you’d like to find out more about working with Sheffield Double Glazing Company, get in touch today. Call us on 0114 327 34 33 to speak to one of our friendly and knowledgeable team. Alternatively, you can fill out our online contact from with details of your home improvement plans and we’ll get back to you as quickly as possible.

Get a Quote

Contact us

If you’re planning any home improvements and you’d like to find out more about working with Sheffield Double Glazing Company, get in touch today. Simply fill out the contact form below and we’ll get back to you as soon as possible. Alternatively, if you’d prefer to speak to one of our friendly and knowledgeable team call 0114 327 34 33.



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Our Latest Reviews

Positive customer reviews are testament to the high standards of our glazing installation service. Have a browse of our Checkatrade web page to give yourself confidence that you are working with a professional and reputable company.

New back door fitted

A very quick efficient and tidy job and a great door, Thanks

- July 2020

Composite door

Quick job done, pleased with the product.

- June 2020

New front door fitted

Friendly service, good quality door. Good communication.

- November 2019

Replacement front door fitted

Very pleased with the new front door. Thanks for the follow-up to make a minor adjustment; Melvin provided a great service at a reasonable price.

- November 2019

New front door fitted

Excellent service would highly recommend right through from gaining a quote to having the work carried out. Door is of a high quality and fitted well. Would use this company again in the future.

- November 2019

New front door bought and fitted.

Excellent work. Extremely friendly fitters and very accommodating. I would definitely recommend Melvin and his team. A***

- October 2019