Secondary Glazing London: A Simple Definition

· 6 min read
Secondary Glazing London: A Simple Definition

Why Choose Secondary Glazing?

If you're looking for a method to upgrade your home without replacing the windows you have, secondary glazing is a fantastic solution. It improves thermal efficiency and reduces noise pollution. It also helps to stop draughts.

It's a cheaper alternative to double glazing, and it's ideal for older homes in Listed Buildings or Conservation Areas.

Reduced Noise

Many UK homes have windows that are not well insulate, allowing outside noise to enter the house. Installing double glazing and soundproofing walls or ceilings could be costly. Installing secondary glazing is a cheaper alternative. It adds a new pane of window glass over the existing one, increasing insulation and reducing noise. This is particularly useful for homes with listed buildings or homeowners who wish to preserve the period appearance of their home.

Secondary glazing can help to reduce draughts, as well as the cost of energy and making your home more comfortable. It's an ideal solution for homeowners who want the advantages of double glazing but can't afford to replace their windows that are single-glazed or those who live in old buildings where modifications are not allowed.

You can pick from a variety of secondary glazing options on sash windows. These include self-fitting film or fixed inserts. You can also pick from different acoustic glasses for the highest performance. Saint-Gobain Stadip Silence Acoustic Glass, for example, acts as a barrier between the original windows, absorbing vibrations and preventing the peaks of noise at high frequency.

The ideal gap between secondary and primary windows is between 100-200mm.  glazier in london  can be further enhanced by installing acoustic laminated glass, or by lining the window's head and revealing the window with Acoustic tiles.


We suggest that you hire a professional installer to install your secondary glazing. They will be able to help you choose the best options for your needs and provide a skilled and reliable service. We are proud to be a FENSA-accredited business. This means that you can trust us to deliver a high quality installation that is up to all standards required. We offer a 10-year guarantee on all of our work to give you even more peace of assurance. Contact us today if you have any questions or would like to set up a free survey at your home and a quote.

Increased Energy Efficiency

If you live in a house of a certain time period, like a listed structure or one of London's beautiful conservation zones, you may want to avoid replacing your original windows with uPVC. Replacing windows is a costly project that requires a lot of disruption to your building.

Secondary glazing is a choice that allows you to enjoy the energy efficiency benefits of modern double glazing without having to take down your existing windows and without compromising the style of your home. Secondary glazing is a discrete pane of glass that is fitted to the inside of the window, with a gap of 100mm between them, which will improve thermal insulation and reduce external acoustic disturbance.

Our secondary glazing is available in a wide range of colours and woodgrain finishes. This means you can find a solution that will fit the style of your home. It is also thin and discrete and will blend seamlessly with the frame you already have. Our secondary glazing comes with 6.4mm laminated glass that is tempered for extra protection.

Secondary glazing is the most effective way to minimize the sound from outside. This will give you significantly greater levels of insulation and reduce the amount of noise that enters your home through windows. Our 6.4mm laminated window can reduce noise by up to 80 percent.

Secondary glazing can be put in place quickly easily, and without any disruption in your office or home. It is ideal for properties with windows that are in good condition but could benefit from additional insulation or sound reduction.

Secondary glazing is not only cheaper than replacing windows, but it could also save you money on heating bills throughout the year. It will also help you to save energy and reduce the carbon footprint of your home.

Secondary glazing is a fantastic alternative for any commercial or residential property that wants to reduce noise pollution, boost the thermal insulation and increase security. If you're searching for a contractor to install your secondary glazing, be sure to hire an accredited and insured tradesperson who can guarantee high-quality work.

Increased Security

There are a myriad of reasons why homeowners choose to install secondary glazing. It is particularly popular with homes in listed or conservation areas where they are unable to replace their windows but still want good levels of thermal insulation and noise reduction. It is also a popular option in modern houses that suffer from condensation in the winter months. In addition to improving energy efficiency, it could provide a number of other advantages, such as improved acoustic performance and improved security.

Secondary glazing is distinct from traditional double glazing. It is constructed with an internal frame which is installed on the inside of the existing window. This makes secondary glazing a stronger option that is less prone to damage and offers greater security against burglars. This is especially crucial for older or more historical structures that might not have the level of security systems and locking mechanisms as found in a lot of newer properties.

The secondary glazing also has a slim sightline that will not interfere with your original windows. This means that you will benefit from improved acoustic performance, reduced noise pollution, and increased thermal comfort while maintaining the appearance of your home.

Security enhancement is a key benefit of secondary glazing London. The second window is more difficult for thieves to break in than the primary window and can deter burglaries due to the added layer of complexity. This is particularly beneficial for older or more historic properties where burglaries can be more damaging on the family living in the house.

Our secondary glazing london products can be custom-made to specifications and are suitable for all kinds of windows and doors. They are available in both sliding sash and hinged casement designs, with a choice of glazing options including 6mm, 4mm and 6.4mm Stadip Silence laminate glass. Aluminium frames feature a strong and tight fitting frame that is resistant to removal by force. They are available in a variety of colors to match the existing windows or interior decor.

Increased Value

Secondary glazing is a cost-effective option to make single-glazed windows meet modern window insulation standards. It can help reduce outside noise pollution as well as boost a property's energy efficiency. In fact, it can reduce heating costs by up to 30 percent. It can also increase the security of a house by preventing intruders from entering. To ensure the best quality of work, it's essential to choose an approved installer such as FENSA.

Our secondary glazing in Essex or London is an excellent alternative to replacing the windows made of sash. It can provide better heat retention and security as well as the ability to reduce condensation and noise. It can also boost the value of a house by varying the thickness of the glass and cavity.

Unlike replacement windows, which are quite expensive and may be difficult to fit into existing openings secondary glazing can be installed on various window designs. It can be put on sliding sash windows as well as tilting and fixed casements and louvred windows. Its slim sightlines make it perfect for conservation and listed buildings. zones, where it is usually not permitted to replace windows.

As well as increasing energy efficiency and reducing outside noise, it can improve the level of comfort in homes, particularly in older properties that tend to be cold and humid. It also helps reduce the amount of condensation, which helps keep the growth of mould and mildew. We can incorporate 6.4mm Stadip 'silence' glass into our secondary glazing which can dramatically reduce noise pollution from external sources like traffic and aircraft noise.

It is also possible to install on sash windows which are often opened for ventilation. It is recommended to install a stay in this case to keep the sash at a minimum level. This is to ensure security. This can be fitted with a key or be locked, which means that the window will be able to be opened only in a limited amount. We offer a complete range of stay options to meet all requirements.