Why Upgrade box sash window to Double Glazed Windows?
Double glazing sash windows don't only improve energy efficiency but also minimises noise pollution, it can also increase the value of your property. The process preserves historical features while complying with guidelines regarding energy use, heat loss bills, and security.
These windows cut down on cold air and exterior noise while offering the same aesthetic appeal as the original sash windows. The options for customizing these uPVC windows are endless too.
Improved Insulation
By adding a second glass pane to the sash window you already have it creates an insulating barrier which reduces heat transfer and can make your home more energy efficient. This upgrade will also improve the soundproofing and create a more peaceful home.
A lack of insulation can cause higher energy bills for cooling or heating the home. Double glazing on sash windows decreases energy consumption and helps you save money.
Our double-glazed sash windows are constructed with high-quality materials that guarantee high thermal efficiency. Choose from a wide range of choices that include uPVC and traditional timber. If you like the look of wood, go for Accoya, a modern wood that is grown and treated in New Zealand, meaning it has minimal impact on the environment. Both options are durable and resistant to moisture, providing the highest insulation and durability.
If you reside in an area designated as a conservation area or if your home is listed, you may need permission to plan for sash double glazing. However, our experts can work around these restrictions to preserve the architecture of your home while enhancing its thermal performance.
We could also add an additional layer of secondary glazing to your existing windows. This will create an additional barrier to insulating, reducing loss of heat. This solution is usually cheaper than replacing the windows, and can be installed without the need for complete reconstruction or new openings. Our secondary windows feature a warm edge spacer bar that's pre-desiccated and offers improved thermal efficiency compared to aluminum alternatives.
Installing draughtproofing can increase the insulation of your home by decreasing air leakage. Using a silicone seal, it helps to prevent cold air from entering your home in the winter, and warm air from escape in the summer.
It is possible to enhance any home with the use of a draught-proofing system. This can be done on both single and double sash windows. It is important to note that draught-proofing isn't as effective as double-glazing in decreasing heat loss, therefore it's recommended to use it as an addition to your sash window restoration or renovation.
Lower energy bills
Sash windows that are well-maintained and have the proper seals will increase the efficiency of their thermal properties, which will reduce the amount of energy used. Installing double glazing further enhances their effectiveness, allowing you to reduce your energy costs without sacrificing your comfort levels or damaging your home's integrity.
Double-glazed sash windows can be more energy-efficient than single-glazed windows because they consist of two sheets of glass separated by an air pocket, which significantly enhances their thermal performance. This air pocket minimises heat transfer, which could result in lower energy bills and condensation.
In addition, double-glazed Sash windows can be fitted with modern low-emissivity glass that further increases efficiency in energy use. This invisible layer is designed to reflect heat back into the room, helping to keep it warmer in the winter and cooler in the summer.
The environment will also gain from installing energy-efficient sliding windows. In addition to decreasing your household's energy use they will also reduce the amount of waste created by your home and the people who live there. This will decrease the carbon footprint of your home, which is great for those looking to live a more eco-friendly lifestyle.
Double glazing with Sash also provides enhanced soundproofing compared to single-glazed windows. The gap between two layers of glass and the insulating gas acts as a shield against outside noise, which means you'll enjoy peace and quiet at home.
It's important to consider that double glazing may not be the best option for a sash window. Certain homeowners, particularly those who reside in historic or listed buildings, might find it difficult installing windows that double-glaze exactly matches their original sash window. This is why it's crucial to find an installer who is FENSA-accredited and committed to supplying high-quality products that preserve the character of your home. Luckily, companies like Quickslide manufacture replacement uPVC windows for sash that combine the traditional look with energy-efficient features for an unbeatable blend of design and function. This means that you can replace your sash windows with an uPVC solution that is simple to maintain and will increase the resale value of your property.
Reduced Noise
Sash windows are a popular feature in homes due to their beauty and ability to let in fresh air. The drawback is that they're not as soundproof as other windows. People who reside near busy roads or airports often find it hard to sleep due to noise pollution. In addition, noise from neighbours and other houses may affect people living in flats or listed buildings.

However there are many homeowners who are hesitant to make changes to their sash windows because they fear of destroying their traditional aesthetic. Installing double-glazed sash window frames requires significant work and adjustments to the existing frame. There are retrofit options that allow homeowners to keep their sash windows but still benefit from the latest noise reduction technology.
Soundproofing of sash windows is affected by a variety of variables. For instance, the design and the material of the frame play a major role. Single-paned windows as well as those with poor sealing offer minimal noise reduction. Double-glazed frames made from uPVC or wood could significantly reduce this issue. The thickness of the glass is an important factor and thicker glass can provide greater noise reduction.
In terms of the kind of frame, uPVC and aluminium are both the most popular choices. Both have been designed for efficiency and longevity, although uPVC tends to perform slightly better when it comes to energy efficiency. Wooden frames are a viable option, with hardwoods such as Accoya being very sturdy and resistant to humidity.
To get the best results, double-glazed sash windows is best paired with other measures to soundproof the space. Acoustic laminated glass, for example, can dampen vibrations, absorb sound waves and close gaps around the frame.
When it comes to selecting the right sash double glazing solution for your home, it is essential that you consult with professionals and compare estimates from reputable firms. They will be able to evaluate your needs and suggest an appropriate solution that increases energy efficiency and reduces noise. In addition, they will be aware of building regulations and requirements for sash window replacements and ensure that your new windows meet all required standards.
Increased Value
One of the great benefits about upgrading your sash windows to double glazing is that it increases the value of your home. Double glazing can increase the value of your home by increasing its thermal performance, decreasing heat loss, and lowering energy bills.
It is important to keep in mind that adding double glazing can only enhance the value of your home if you use the best product. The installation of double glazing that isn't of good quality can increase your cost of energy and lower the value of your property. The best option is to go with uPVC Sash window that is long-lasting and easy-to-maintain. They are easily cleaned with the use of a damp rag and need minimal maintenance over the course of time.
There are many factors that influence sash double glazing costs, including the type of windows used and the materials used to create them. Standard glazing is the least expensive but other styles, such as acoustic glass can increase prices substantially. The price will depend on the finish you choose such as wood grain or dual colours. Finally, the complexity of the installation process may increase the cost of labor and the total cost.
The sash window originally featured astragal bars which separated the glass panes. Modern sash windows can be fitted with double glazing, while retaining these original features and preserving the style of your home.
Vacuum double-glazing is an excellent example of this, as it utilizes the latest technology to create a slim form of double-glazing that can be incorporated into traditional sash windows without affecting their historic appearance. This method, dubbed FINEO removes the space between windows to create a vacuum. It can then be fitted into older sash windows without causing damage to their structure.
Sash double glazing is worth it for many reasons, including its ability to improve the efficiency of your energy and reduce noise within your home. It can also improve aesthetics, increase comfort, and reduce condensation. It also can provide an investment return and preserve historical aspects of your home.