Double Glazing, Triple Glazing

From modern casement windows to traditional sash designs, the right style will depend on your home’s character, the era it was built and your preferences. Buying the right double glazing is a big decision, and the best option for you will depend on your home’s needs, your lifestyle, and how much you’re willing to invest for long-term performance. Slim profile double glazing will cost in the region of £600 to £800 to install in an average 6-over-6 sash window. Dependant on the cavity size, glass type and choice of gas fill typical thermal transmittance values between 2.0 and 1.6 W/ SqM/K can be achieved. As registered FENSA contractors, members of Constructionline and Link-up, we’re proud to show our customers that we’re certified to provide the top quality work we offer. We prioritise excellent customer service, working closely with every customer throughout the design, installation and aftercare process to ensure you are completely happy with your finished product.

Your ironmongery and catches are modified to work with the CosyGlazing system to provide maximum efficiency. With our CosyGlazing secondary glazing in place, you will feel the difference in warmth and comfort of your home immediately. Employing specialists to fit your secondary glazing ensures a professional roller shutter installation, which is guaranteed, and saves you the stress of doing it yourself. By the 1960s, the UK began producing them for better insulation, addressing the shortcomings of single-pane windows, such as increased condensation. Legislation from 1965 onwards aimed to regulate the industry and promote energy efficient materials, including double glazing. By the 1990s, 60% of UK homes had adopted double glazing, significantly improving home comfort.
Here at Stevenage Glass we have over 50 years of experience in the double glazing and replacement glazing industry. We manufacture and supply double glazed units for the trade and public across Stevenage, St Albans, Hertfordshire and the surrounding areas. Double glazing is important to every home or building because of the extra insulation and security it offers.

As most companies supply similar products, focus on a provider’s reputation and customer service when making your decision. There are some advantages to choosing a local double glazing installer, such as a friend or relative being able to share their experience with the company. However, we wouldn’t recommend accepting advice from strangers in local social media groups. Our easy to use tool provides you with an online quote on double glazed windows, doors or conservatories from local, trusted double glazing companies. Many homeowners are installing replacement windows to help reduce their heating bills as the cost of living crisis is still impacting household budgets. Triple glazing is generally more efficient at reducing heat loss than double glazing, but it may not always be necessary or cost-effective.
Also, some brands – such as Britannia – also offer interest-free credit and "buy now, pay later" plans. To get a free double glazing quote fast, simply provide your details below and we will connect you with the top local installers in your area. This ensures you receive the best service and value from trusted professionals.

The British Fenestration Rating Council (BFRC) independently verifies a window’s thermal efficiency. This organisation developed a specific rating system similar to the one used on domestic appliance energy labels found on washing machines, freezers and fridges. Explore the differences between double and triple glazing to decide which is right for your home. Find out more about how the cost of double glazing depends on your needs and requirements. An Anglian design consultant helps you find the right windows for you, from material and style to colours and finishing touches.

It’s also a practical option for heritage or listed buildings, where altering the original windows isn’t allowed. Secondary glazing allows you to keep your original single-glazed windows whilst improving their thermal efficiency. We know that installing secondary glazing and insulation is the best way to keep your home warm, reduce energy bills and reduce your carbon footprint. A-rated double glazed windows are some of the best performing windows in terms of thermal efficiency. To get a good idea of the range of prices and products you can opt for, we advise to collect quotes from both national and local window installers.