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This Is How Sash Double Glazing Will Look Like In 10 Years' Time
Why Upgrade Your Sash Windows to Double Glazed Windows?

Double glazing sash windows not only improves energy efficiency and reduces noise pollution, but it also enhances the value of your property. The process preserves historical features while meeting regulations regarding heat loss and energy bills.

These windows offer the same aesthetic appeal of the original sash windows, while reducing the outside sound and cold air. The customisation options for these uPVC windows are endless too.

Increased Insulation

The addition of a second pane glass to your sash windows creates an insulating barrier that significantly minimises heat transfer which makes your home more comfortable and energy efficient. Read Home Page upgrade also improves soundproofing, creating a quieter living space.

Insufficient insulation can increase the amount of energy used to heat or cool a property which can increase your gas and electric bills. Double glazing on sash windows decreases energy consumption and can help you save money.

Double-glazed sash windows from us are made from top-quality materials, which ensure excellent thermal efficiency. Pick from a variety of choices, including uPVC and traditional timber. If you like the look of wood, go for Accoya, a contemporary wood that is grown and treated in New Zealand, meaning it has a low impact on the environment. Both options are extremely robust and can stand up to moisture, ensuring longevity and superior insulation.

If you reside in an area designated as a conservation area or if your home is listed as a conservation area, you may need planning permission for sash-double glazing. However, our experts are able to overcome these limitations to preserve the architectural integrity of your home while enhancing its thermal performance.

We can also add an additional layer of secondary glazing to your windows. This will provide a further insulating barrier, reducing heat loss. This is typically less expensive than replacing the windows you have and can be installed without the need for a complete reconstruction or a new opening. Our secondary windows come with a pre-desiccated warm edge spacer bar, which has more efficient thermal performance than aluminium alternatives.

Installing draught proofing can also improve the insulation of your home by decreasing air leakage. It is possible to stop cold air from entering your home in winter, and warm air from leaving in summer using an airtight seal made of silicone.

A draught-proofing solution can be fitted to double and single Sash windows, making it an excellent upgrade for any property. However, it's important to keep in mind that draughtproofing isn't as effective as double-glazing in the reduction of heat loss, so it's best to consider it as an alternative to window's restoration or renovation.

Lower Energy Bills

Cleanly maintained sash windows that have proper seals will increase efficiency in thermal efficiency, thus reducing the cost of energy. The addition of double glazing can further increase their efficiency, allowing them to reduce your energy costs without sacrificing comfort or compromising the integrity of your home.

Double-glazed windows are more energy efficient than single-glazed windows because they comprise two sheets of glass separated with an air pocket. This improves their thermal efficiency. The air pocket helps reduce heat transfer, which can result in lower energy bills and condensation.

Double-glazed windows can be fitted with low-emissivity modern glass to improve energy efficiency. This invisible layer is designed to reflect heat back into the room, thereby helping to keep it warmer in the winter and cooler in the summer.

The environment will also benefit from investing in energy-efficient sliding windows. These windows will decrease the energy consumption of your household and reduce the amount waste generated by your family and you. This will reduce your carbon footprint significantly, which is great for those who are looking to live a more eco-friendly lifestyle.

Double-glazed sash windows also offer improved soundproofing when compared with single-glazed windows. The gap between two layers of glass and an gas that is insulating helps to block out noise from outside. This will allow you to enjoy a quieter and more comfortable home.

However it's important to keep in mind that double glazing isn't always a suitable option for windows made of sash. Certain homeowners may be unable to install a new double-glazed unit that is in perfect harmony with the design of their original sash windows, especially those who reside in historic or listed buildings. It is essential to select an installer who is FENSA accredited and committed to providing high-quality products that maintain your home's unique character. Luckily, companies such as Quickslide make replacement uPVC sash windows that combine the traditional aesthetic with energy-efficient options for an unbeatable mix of style and utility. You can replace your sash windows with a uPVC option that is easy to maintain and will increase the value of your home's resales.

Reduced Noise

Sash windows are beautiful features in homes due to their style and ability to allow fresh air to flow through. The downside is that they're not as soundproof as other windows. People who live near busy roads or airports often have trouble to sleep due to noise. In addition, noise from neighbors and other houses can also affect people living in flats or listed buildings.

Many homeowners are reluctant to replace their sash windows in fear of destroying the classic design. This is because installing double-glazed sash windows requires a substantial amount of work and modifications to the existing frame. There are retrofit options that permit homeowners to keep sash windows and still benefit from the latest technology for noise reduction.

There are a variety of factors that influence sash window soundproofing. For instance, the design and the material of the frame play an important part. Single-pane windows as well as windows with poor seals provide only minimal noise reduction, whereas double-glazed frames made from uPVC or timber can greatly reduce this problem. The thickness of the glass is also an important factor that can be a factor, with glass that is thicker offering greater noise reduction.

In terms of the kind of frame, uPVC and aluminium are both the most popular choices. Both are designed for efficiency and durability, however uPVC is a little more energy efficient. Wooden frames can be utilized as an alternative. Hardwoods such as Accoya are very sturdy and resistant to humidity.

To get the best results, double-glazed sash windows is best paired with other measures to block out sound. For example, acoustic laminated glass can reduce vibrations and absorb sound waves, while draught proofing seals gaps in the frame and helps reduce the impact of external noise.

When it comes time to select the right sash double glazing solution for your home, it's essential to consult with experts and compare quotes from reputable companies. They can assess your requirements and recommend an appropriate solution to increase energy efficiency and reduce noise. Additionally they will be aware of the building regulations and requirements for upgrades to sash windows and make sure that your windows meet the necessary standards.

Increased Value

One of the best things about converting your sash windows to double glazing is that it enhances the value of your home. Double glazing can increase the value of your home by enhancing its thermal efficiency, reducing the loss of heat, and lowering energy bills.

However, it's important to remember that installing new double glazing can only increase the value of your property when you choose the right type of product. If you install poor quality double glazing, your energy bills could increase, and the resale value of your home will be affected. The best solution is to opt for uPVC Sash windows, which are strong and easy to maintain. They can be cleaned easily with a a damp rag and require minimal maintenance over the course of time.

The cost of double glazing made from sash is influenced by a variety of aspects, including the style of window and the material used to make it. Standard glazing is the most affordable, but other styles like acoustic glass can increase prices substantially. The choice of certain finishes, like wood grain or a dual colour, will affect the cost. The complexity of the installation could also add up to the price.

The sash window was first constructed with astragal bars to separate the glass panes. Modern sash windows can be equipped with double-glazed windows, while retaining these original features and preserving the historic style of your home.

Vacuum double-glazing is an excellent example of this, as it utilizes the latest technology to create a thin type of double-glazing that can be fitted into traditional sash-windows without damaging their historic appearance. This particular system, called FINEO, removes the gap between the window panes and creates a vacuum so it can be installed into older sash windows without causing damage to their structure or weakening their insulation.


Double glazing sash can be a great investment for many reasons. It can boost the efficiency of your energy and reduce noise in your home. It can also improve comfort, decrease condensation, and enhance the aesthetics. It can also provide an investment return, and preserve the historical features of your home.

Read More: https://www.repairmywindowsanddoors.co.uk/watford-sash-window-repairs-near-me/