What is secondary glazing?
Secondary glazing is an additional layer of glazing installed on the inside of your existing windows. It creates an insulating air pocket between the original window and the secondary panel, improving thermal efficiency and reducing heat loss.
Unlike traditional double glazing, secondary glazing doesn’t require replacing your windows, making it a cost-effective and reversible solution. AirShield Glazing Panels take this concept further with custom-made, crystal-clear acrylic panels that fit snugly into your window frame, providing superior insulation, noise reduction, and condensation control.
Do I need planning permission for secondary glazing panels?
No — planning permission is not required when installing AirShield Secondary Glazing Panels. Because our system is installed internally and doesn’t alter the original window frame, it’s fully compliant with conservation and listed building guidelines across the UK. This makes it a perfect solution for sash windows in heritage homes or properties in protected areas.
How much do AirShield Glazing Panels cost?
Our panels are priced at £180 per square metre, based on your exact window measurements. For reference:
• A typical sash window (90x110cm) costs approximately £190
• A larger bay window ranges from £500–£650
• A 3-bedroom flat averages £1,600–£2,000
You’ll only ever pay for the size you need — no waste, no hidden costs. Use our online quote tool for an instant estimate.
Click here.
Can I install the panels myself, or do I need a professional?
AirShield Glazing Panels are specifically designed for DIY installation. No tools, no drilling, and no adhesives are required. Simply unpack the panels and push them into your internal window frames — that’s it. Most customers find that installing a single panel takes less than a few minutes, and an entire flat can be done in under an hour. We provide full measurement and installation guides, and video tutorials are also available for added support.
Can you install them for me?
Good news! If you are in Glasgow, Scotland, and don't feel comfortable with measuring and installing the panels yourself - we can do this for you. Get in touch via our
contact page to check on availability.
Are AirShield panels suitable for sash windows and period properties?
Yes — whether your home is Georgian, Victorian, or Edwardian, AirShield Glazing panels integrate seamlessly behind the sash without affecting how the window operates. They’re ideal for heritage homes, listed buildings, and any property where maintaining the original window is important. The acrylic is crystal-clear and the frame is discreet, ensuring the character of your windows remains intact.
Can I try just one or two panels before ordering for the whole home?
Absolutely. Many customers choose to start with just one room — often the coldest or noisiest part of the house — to test performance and fit. If you’re happy with the results (which most customers are), you can then place a follow-up order for the rest of your windows. All panels are made to order, so there’s no pressure to commit upfront.
How long does delivery take?
Once you place your order and upload your measurements, we begin production immediately. Panels are custom-made and usually delivered within 5–7 working days. We ship UK-wide, and while most deliveries arrive on schedule, please allow a little more time for remote locations such as the Scottish Highlands or island areas.
Can secondary glazing improve energy efficiency in sash windows?
Yes. Our panels create an insulating air pocket between your single-glazed sash window and the panel, which helps reduce heat loss through the glass. This added insulation improves your home’s thermal efficiency, keeping rooms warmer and reducing reliance on central heating. Customers often report noticeable warmth immediately after installation — especially in older, draught-prone buildings.
Is secondary glazing allowed in listed buildings and conservation areas?
Yes — it’s not just allowed, it’s often recommended. AirShield Glazing Panels are fitted internally and do not alter the original window in any way. As a result, they meet the requirements for reversible, non-invasive improvements often sought by conservation officers and heritage planners. No drilling, no visible changes from outside — just better comfort inside.
Does secondary glazing help with noise reduction?
Yes. By creating a sealed gap between the original window and the AirShield panel, secondary glazing can significantly reduce outside noise. This is especially useful if your home is near busy roads, rail lines, or nightlife. Many of our customers report much quieter rooms immediately after installation — especially in older tenement buildings and city flats.
Will secondary glazing change the look of my windows?
Not at all. AirShield panels are designed to be unobtrusive and crystal clear. They sit flush within your existing window recess and are barely noticeable once installed. Your original window stays completely intact — visually and structurally — which is why our solution is so popular in homes with character or historical value.
What window types are compatible with AirShield Glazing Panels?
Our panels work with most single-glazed window types, including:
• Vertical sliding sash windows
• Hinged casement windows
• Bay windows
• Some stained or decorative glass units
All we require is that the windows have square corners and at least 13mm clearance from any hardware (e.g. locks or handles). If the gap is tighter, slimline hardware is available and easy to install.
Do the panels require any maintenance?
AirShield Glazing Panels are designed to be low-maintenance. Since they’re installed on the inside of your windows, they aren’t exposed to weather, dirt, or external wear. To keep them looking clear and functioning properly, just clean the acrylic surface occasionally using a soft cloth and a mild, non-abrasive cleaner. No special products or upkeep are required — just simple care to keep your panels looking like new.
Don't hesitate getting in touch with us if you have any other question, simply by using
our contact form.
