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The Top Companies Not To Be Follow In The Secondary Glazing Installers Industry
Do I Need Planning Permission to Install Secondary Glazing?

It is possible to add secondary glazing inside the current frame to cut down on energy bills and muffle outside noise. It's ideal for older homes and listed buildings where new windows aren't feasible.

It is also a great solution to damp buildings, but only after other issues have been solved. This will stop drafts from preventing the building from receiving necessary airflow.

Do I Need Planning Permission?

Window replacement is a common home improvement project. cost of installing double glazing may wonder whether they require permission to build new windows. If you're replacing your old windows with new ones and the work does not alter the appearance of your house there is no need to apply for a planning permission. It is best to check with your local authority before beginning any home improvement project.

The positive aspect is that the installation of secondary glazing is not a requirement for planning permission, and neither is the draught-proofing of windows that are already in use. The addition of extra glass to existing windows doesn't alter the appearance of the building, or the size or shape. It's also a cost-effective and convenient solution to improve thermal insulation in older buildings.

Secondary glazing does not keep heat as efficiently in your home like a double-glazed window however it is great at stopping air leakage. This helps keep your heating costs low. It also helps reduce noise pollution, which makes it a good choice for homes in built-up areas or near airports and train stations.

In certain circumstances, you may need to seek permission to have your windows replaced or draught-proofed if they are part of a listed building or are located in a conservation zone. In this case you'll need have detailed drawings created by a reputable architect to demonstrate that the planned work will be in line with the character and appearance of the building.

If you reside in a period property the best way to improve the thermal insulation of your home without compromising the look of the windows you have originally installed is by using secondary glazing. It's the same as the original window, but it is more energy efficient and less noise pollution. Additionally, it is easy to fit and can be removed at any point.

Do I have to install it myself?

If you're a seasoned DIYer, and your house has windows that are in good condition, then it could be possible for you to install secondary glazing yourself. However, it's not an option to consider for those who have no prior experience with window installation.

Secondary glazing is the precise installation of a second glass pane inside existing windows. It provides acoustic and thermal insulation, as well as condensation control and draught reduction. It also offers security because it's a non-obtrusive barrier for potential intruders.

Measure the internal dimensions of the window frame. This will give you the measurements required to purchase an additional glazing pane that is made-to-measure. You can purchase a secondary glass kit that includes everything you require. These kits are readily available at hardware stores and online vendors, however they vary in quality and features. The cheaper products may have glass sheet glazing made of plastic or magnetic strips. The higher-end models, however, include genuine glass panes.

Once you've purchased your secondary glazing, prepare the window by cleaning and sanding the edges to remove any paint and varnish. To avoid damage to your new panes be sure to get rid of any dirt, debris and dust. If your window frames support TV aerials or telephone junction boxes, then you'll need to relocate them prior to installing secondary glazing. However, many secondary glazing companies will be able to cut the frame to allow cables to pass through and will be able to provide you with cable clips to ensure secure installation.

When you're ready to install, stick a piece of insulation tape along the edge of the secondary glazing. This will make the glass airtight. It's a good idea also to apply the tape to the outside of the frame. This will give your window a professional look, and ensure that secondary glazing is secure to the frame.

Mark the drilling locations and carefully place the second glass against the existing window. Remove the duct tap and drill through the holes that you have marked. After drilling the holes, remove the duct tape and apply a damp cloth to wipe the frame clean.

Do I require an expert?

If you're planning on buying secondary glazing, it is essential to choose a company that is a member of professional organizations and has a great reputation. Check online reviews and make sure you read both positive and negative feedback, then ask your friends and family for recommendations. It's also worth checking whether the company is registered with FENSA since this will ensure that the replacement windows or doors meet the requirements of the building regulations in England and Wales.


Secondary glazing is a cost-effective option that adds an additional slimline window to your existing windows. It is designed to decrease the cost of energy and noise pollution. This makes it an ideal choice for anyone looking to reduce their carbon footprint. The additional layer of glass can also help reduce air draughts, making sure your home is warm and comfortable all entire year.

With a wide range of colours and finishes available there is a secondary glazing to suit your home perfectly. Our latest product range features ultra-slim sightlines that mean your new addition is barely noticed from the outside. They can also be opened and closed for easy cleaning or fresh air in your home.

In contrast to double glazing, which entails the installation of two separate frames secondary glazing is attached to the interior side of the window frame. It can be fitted with either reveal fixing or face fixing, with both offering different thermal and acoustic benefits. A professional Glazier can guide you on which one is the best option for your needs.

Many homeowners consider secondary glazing to be the most suitable solution, particularly when they live in conservation areas or listed buildings and cannot install double-glazed windows. It's far cheaper than replacing the windows and is easily removed in the future. It is also a great option to reduce condensation, which can result in damp and black mold, and increase security, as it acts as a second barrier to the single-glazed windows.

Secondary glazing can be fitted to either sliding or fixed windows, and can be modified to fit most existing styles. However, it's important to remember that it's not as efficient as double glazing in insulating your home because there is still an air gap between the primary window and the secondary pane.

What are the benefits of Secondary Glazing?

Secondary glazing is a great way to boost your home's insulation and acoustic performance. It can be affixed to your existing windows and, depending on the type of system you choose, may also provide additional security. A variety of options are available, including those that fit sliding sash windows and ones designed to work with uPVC frames. There are systems that can even be removed in summer to allow more air to circulate.

One of the greatest advantages of secondary glazing is that it forms an insulating barrier, preventing heat loss and cold draughts. This can significantly cut your energy costs and create an environment that is more comfortable. This is especially useful for older homes that have insufficient insulation, or for newer homes whose frames are still moving.

As opposed to double glazing, which demands the removal of your existing window secondary glazing doesn't require drastic changes to your home. It's a more subtle option that works with the windows you already have. It can be permanent or temporary according to your requirements.

A secondary glazing system can reduce noise pollution. This is particularly relevant if your house is located close to a busy road or flight path. The twin brush seals that are found in most secondary glazing systems guarantee an extremely effective seal that can reduce noise by as much as 75%.

While it is possible to install secondary glazing on your own however we recommend hiring a professional. This will ensure that the work is done correctly and it provides all the benefits that you want. If you attempt to install it yourself, you may be left with gaps in the seals, incorrect fitting, or even damage to existing windows.

If you intend to put in your own secondary glazing it is essential to wear the appropriate safety equipment, especially when cutting glass. Before you begin, make sure you have all the required tools and materials. Local businesses can offer better service and faster response times.