Secondary Glazing Installers 10 Things I'd Like To Have Known Earlier

· 6 min read
Secondary Glazing Installers 10 Things I'd Like To Have Known Earlier

Do I Need Planning Permission to Install Secondary Glazing?

It is possible to put in secondary glazing within the existing frame to help reduce energy bills and muffle outside noise. It's ideal for older homes and listed buildings where new windows are not an option.

It's also a fantastic solution to damp structures but only after other issues have been addressed. This will prevent draughts from preventing the building from receiving vital airflow.

Do I need planning permission?

The replacement of windows is among the most frequent home improvement projects that people undertake. Homeowners might be wondering whether they need permission to plan for the installation of new windows. If you're replacing old windows with the same and the work does not alter the appearance of your home there is no need to apply for a planning permission. It is advisable to check with your local authority before embarking on any home improvement project.

The good news is, neither the installation of secondary glass, nor the draughtproofing of existing window requires planning permission. This is because the addition of glass to the window doesn't alter the overall design of the building, neither does it alter the shape or size of the window. It's a simple and cost-effective method of improving thermal insulation in older properties.

Secondary glazing isn't able to hold heat as efficiently in your home like a double-glazed window however, it is effective in stopping air leakage. This helps to keep your heating costs low. It also helps to reduce noise pollution, which makes it an ideal option for homes located in dense areas, or near airports and train stations.

In certain situations, you may need to apply for permission to have your windows replaced or draught-proofed if they are part of a listed building or in a conservation area. If this is the case, it is important to have detailed drawings created by a reputable architect's practice to demonstrate how the proposed changes are in line with the appearance and style of the building.

If you live in a period property the best way to increase the thermal efficiency of your home without altering the appearance of your original windows is with secondary glazing. It's similar to the original window, however it is more energy efficient and less noise pollution. Additionally, it is easy to install and can be removed at any point.

Can I install it myself?

If you are an expert in DIY and your home has windows that are suitable, it could be possible to install secondary glass yourself. But, this isn't an option to consider for those without any prior experience with window installation.

The secondary glazing process involves the precise installation of a second layer of glass within the windows that are already in place. It provides acoustic and thermal protection, as well draught control and condensation control. It also provides additional security because it's an invisible barrier for potential invaders.

Take measurements of the internal dimensions of the window frame. This will provide you with the measurements needed to order an additional glazing pane that is made-to-measure. Or, you can buy a secondary glazing kit that contains everything you require. These kits are readily available from hardware stores and online retailers, but they vary in quality and features. The less expensive kits may include plastic sheet glazing or magnetic strips. The higher-end products, however, include genuine glass panes.

Once you've purchased your secondary glazing, prepare the window by cleaning and sanding the edges to get rid of any paint and varnish. Also, you should clear any dust, debris or dirt to avoid damaging the new panes. It is necessary to move any television aerials, telephone junction boxes or other structures that are connected to the frames of your windows before you are able to install secondary glazing. However, most secondary glazing companies can notch the frame to allow these cables to pass through and will be able to supply you with cables for secure installation.

Install a piece of insulation tape on the glass's secondary edge when you are ready to install. This makes the glass airtight. It's recommended to apply the tape to the outside frame. This will provide a more professional look and will make sure that the secondary glazing is securely attached to the window frame.

Mark the drilling locations and then carefully place the secondary glass against the existing window. Loosen the duct tape and then carefully drill the holes you've marked. Once the holes have been made, take off the duct tape. Use a damp cloth and clean the frame.

Do I Need a Specialist?

If you're thinking of purchasing secondary glazing, you need to choose a business that is a member of professional organizations and has a good track record. Read online reviews, and read both positive as well as negative feedback. Then ask your family and friends to recommend a business. It is also important to determine if the company is registered with FENSA This ensures that replacement windows and doors are compliant with the building regulations in England and Wales.

Secondary glazing is a cost-effective solution that adds an additional glass with a slimline design to your existing windows. It is designed to reduce the energy cost and noise pollution. This makes it a great option for anyone who wants to cut down on their carbon footprint. The extra layer of glass helps to minimize air draughts and keeps your home warm and comfortable all year long.



With a variety of colours and finishes available there is a secondary glazing that matches your home perfectly. Our latest product range features ultra-slim sightlines, which means your new addition is barely visible from the outside. Plus, they can be shut and opened according to the need for cleaning and also to allow fresh air into your home.

Unlike double glazing, which requires the installation of two separate frames secondary glazing is attached to the inside of your existing window frame. It can be put in with either face fixing or reveal fixing. Each type of option has its own audio and thermal benefits.  double glazing installations  will advise you which option is best for you.

Many homeowners find secondary glazing to be the best solution, especially those who live in conservation areas or listed buildings and cannot install double-glazed windows. It's much less expensive than replacing windows from the beginning, and it can be easily removed if needed in the future. It's also a great solution to prevent condensation, which can lead to damp and black mould, and also improve security, since it adds an extra protection to the single-glazed window.

Secondary glazing can be fitted to sliding or fixed windows, and can be modified to match the styles of existing. It's important to note that secondary glazing isn't as efficient in insulation as double-glazing as there is a gap between the primary and secondary panes.

What are the advantages of Secondary Glazing?

Secondary glazing is a cost-effective method to improve the thermal and acoustic insulation of your property. It can be affixed to your existing windows and, depending on the kind of system you select it can also add security. There are a range of options available that include sliding sash window and those specifically designed for uPVC frames. There are systems that can even be removed in summer, allowing more air to circulate.

Secondary glazing creates a barrier that blocks the loss of heat and cold drafts. This can reduce your energy costs and make your home more comfortable. This is especially beneficial for older homes with inadequate insulation or newer homes whose frames are still in the process of settling.

As opposed to double glazing, which demands the removal of your current window secondary glazing doesn't require drastic changes to your home. Instead, it's a more subtle solution that can be used alongside your existing windows and can be permanent or temporary, based on your requirements.

Another benefit of secondary glazing is that it can reduce noise pollution, particularly when your home is close to a busy highway or within an airway. The twin brush seals found in the majority of secondary glazing systems ensure a highly effective quality seal, which can cut down noise by up to 75 75%.

While it is possible to install secondary glazing on your own, we would recommend hiring a professional. This will ensure that the job is done correctly and ensures that you receive all the benefits you'd like to receive. Doing it yourself could lead to gaps in the seal, improper fitting, and even damage to your existing windows.

If you intend to put in your own secondary glazing it is important to wear the right safety equipment, particularly when cutting glass. Before you start, ensure you have all the required tools and materials. It is also recommended to seek out an organization in your area, since they can offer faster response times and more personalized service.