Why Choose Secondary Glazing?
If you're looking for a way to upgrade your home without replacing existing windows secondary glazing is a fantastic solution. It improves thermal efficiency as well as reduces noise pollution. It helps to stop drafts.
It's a less expensive alternative to double glazing and is perfect for older homes in Listed Buildings, Conservation Areas or Apartment Blocks.
Reduced Noise
Many properties in the UK have windows that are not well insulation, allowing outside noise to get inside the home. Installing double glazing and soundproofing walls or ceilings could be costly. A less costly option is to install secondary glazing, which works by adding another pane of glass over the existing window, providing better insulation and noise reduction. This is particularly useful for homeowners and listed properties who want to keep the look of their home.
Secondary glazing can help reduce energy bills, and make your home more comfortable. It also helps prevent draughts. It's a great option for homeowners looking for double glazing, but aren't able to afford replacing their single-glazed windows. For those who live in historic buildings where changes are not allowed.
You can pick from a wide range of secondary glazing options on sash windows, such as self-fitting film or fixed inserts. You can also select different types of acoustic glasses to maximize performance. Saint-Gobain Stadip Soundproof Acoustic Glass, for instance is an effective sound barrier between the window, absorbing vibrations and reducing noise at high frequency.
The ideal distance between the primary and secondary windows is 100-200mm. This gap can be increased by installing acoustic glass or by covering the head and the windows' reveals with acoustic tiles.
london doors and windows recommend that you hire an experienced professional to install your secondary glazing. They will provide you with professional and reliable service, as as advice on the best solutions to meet your needs. We're proud to be an accredited FENSA trader This means that you can trust us to deliver a top-quality installation that is up to all necessary standards. For added peace of mind we offer a 10-year guarantee on all work we do. Contact us today if you have any questions or would like to schedule a free survey of your home and quote.
Increased Efficiency of Energy
If you reside in a house of a certain period, such as a listed structure or one of London's stunning conservation zones, you might want to steer clear of replacing your original windows with uPVC. Replacing your windows is an expensive project that will require considerable disruption to the structure.
Secondary glazing is a choice that allows you to enjoy the energy efficiency benefits of modern double glazing without having to take down your windows, and without compromising the style of your home. Secondary glazing is a discrete glass pane fitted within your existing window with an interval of 100mm between them. This can improve the insulation of your home and reduce exterior noise.
Our secondary glazing is available in a variety of colours and woodgrain finishes, so you can find the perfect solution to match your home's aesthetic. It's also slim and discrete which means it can blend in seamlessly with the frame you already have. Our secondary glazing is 6.4mm laminated glass that is tempered for extra protection.
While draught-proofing can help, the best way to reduce external noise is with secondary glazing. This will offer significantly higher levels of insulation, and will dramatically reduce the amount of noise that is reflected through your windows. Our 6.4mm laminated windows can reduce noise by up to 80%.
In contrast to replacing your windows, secondary glazing can be put in place quickly and easily with minimal disruption to your home or business. It is ideal for homes that have original windows in good condition, but might require additional insulation or sound reduction.
Secondary glazing is not only cheaper than replacing windows, but it can also help you save money on heating costs throughout the year. It can also help to conserve energy and lower the carbon footprint of your home.
Secondary glazing is an excellent alternative for any commercial or residential property that would like to reduce noise pollution, improve the thermal insulation and increase security. If you're looking for a service to install your secondary glazing, be certain to choose an accredited and insured tradesperson that can ensure high-quality work.
Increased Security

There are many reasons homeowners decide to install secondary glazing. It is a popular choice for homes that are located in listed or conservation areas, where it may not be feasible to replace the windows but they still want to achieve good levels of thermal insulation and noise reduction. It can be used to stop condensation in modern homes during the winter seasons. It can also offer other benefits, such as improved acoustic performances and increased security.
Contrary to traditional double glazing which consists of two panes glass separated by a gap between them, secondary glazing comes with an internal frame that sits on the inside of your existing window. This makes secondary glazing a stronger option that is less vulnerable and offers greater security against burglars. This is especially crucial for older or more historic buildings that may not have the security mechanisms and locking mechanisms that are found in many newer properties.
In addition to this the slim sightlines of secondary windows do not interfere with the design of the original windows. This means you can benefit from improved acoustic performance, reduced noise pollution and greater thermal comfort without compromising the overall look of your property.
Improved security is another key benefit of secondary glazing London. The second window is much more difficult for burglars to gain access than the first one and can prevent burglaries because it adds an additional layer of security. This is especially beneficial in older or historic homes where a burglary can have a greater impact on the family members who live there.
Our secondary glazing products are made to order and can be used for any existing door or window. The secondary glazing london products are available in hinged or sliding casement styles with a selection of glazing options, such as 6mm Stadip Silence, 4mm or even 6.4mm laminated glass. The aluminium frames have a sturdy and well-fitting frame that is resistant to removal by force. They are available in many colours to match your windows or your interior.
Increased Value
Secondary glazing is a cost-effective option to upgrade single-glazed windows to meet modern window insulation standards. It can help reduce noise pollution from outside and improve the energy efficiency of buildings. It can reduce heating bills by as much as 30 percent. Furthermore, it can improve the security of a home by acting as a deterrent for criminals. To ensure the highest quality of work, it's crucial to select an accredited installer like FENSA.
A great alternative to replacing windows with sash Our secondary glazing in Essex and London is able to offer improved heat retention, safety, security as well as sound insulation and condensation control. Depending on the glass type and cavity thickness chosen, it can also increase the value of a house.
In contrast to replacement windows, which can be quite costly and difficult to fit into the existing openings, secondary glazing can be installed on different window styles. It can be put on tilting sash windows, sliding sash windows, and fixed casement windows as well as windows with louvres. Its slim sightlines ensure that it doesn't impose on the appearance of the original windows, making it ideal for listed buildings and conservation areas where the alteration of windows is not often permitted.
As well as increasing energy efficiency and reducing outside noise, it can increase the level of comfort in a home, especially in older properties that tend to be cold and humid. It also helps reduce condensation, helping to prevent mold and mildew from growing. We can also incorporate 6.4mm Stadip 'silence' glass into our secondary glazing which can dramatically reduce noise pollution from external sources, such as traffic and aircraft noise.
This can also be fitted on sash windows which are often opened for ventilation. If this is the case it is recommended that a stay be installed to keep the sash closed at a set minimum level to ensure security. This can be fitted with a key or be locked, meaning that the window will be capable of opening a small amount. We have a wide selection of stays that will meet every need.