At KP Glass & Windows, we supply and install bespoke secondary glazing solutions designed to fit seamlessly inside your existing window openings. Ideal for period properties, conservation areas, and homes affected by external noise, secondary glazing delivers modern performance while preserving original features.
Why Choose Secondary Glazing?
Secondary glazing adds an internal glazed panel behind your existing window, creating an insulating air gap that significantly improves comfort and efficiency.
Key benefits include:
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Improved thermal insulation to reduce heat loss
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Excellent noise reduction, ideal for busy roads or urban areas
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Preserves original windows, perfect for listed or heritage homes
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Cost-effective alternative to full window replacement
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Low visual impact, maintaining your property’s character
It’s a smart solution when replacement windows aren’t suitable or permitted.
Ideal for Heritage & Conservation Properties
Secondary glazing is widely recommended for listed buildings and conservation areas, where maintaining original timber windows is essential. Because it is installed internally and can be fully reversible, it’s often accepted by local planning authorities.
Our systems are designed to complement traditional windows while delivering modern insulation and comfort.
Bespoke Designs to Suit Your Home
All of our secondary glazing installations are made to measure, ensuring a neat, unobtrusive finish. Options include:
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Vertical sliding units for sash windows
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Hinged or lift-out panels for easy cleaning and access
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Slim aluminium frames finished to blend into your interior
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Clear or acoustic glass depending on your needs
Our team will help you choose the right configuration for your property.
Secondary Glazing vs Replacement Windows
Secondary glazing is an excellent alternative when:
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Original windows must be retained
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Planning restrictions prevent replacement
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Noise reduction is a priority
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You want improved insulation without major disruption
For some homes, secondary glazing can deliver performance close to modern double glazing while keeping the original windows intact.
Why Choose KP Glass & Windows?
With over 40 years of experience, KP Glass & Windows are trusted specialists in sympathetic window solutions. We work closely with homeowners to ensure secondary glazing is carefully designed, professionally installed, and perfectly suited to the property.
Our team understands the balance between performance, appearance, and compliance.
Approved Window Solutions for Heritage Properties
While secondary glazing is an excellent solution where original windows must be retained, many homeowners also choose our heritage windows, which have been widely recognised for meeting the requirements of conservation areas and heritage properties. Designed to replicate traditional timber windows in appearance, these systems are frequently accepted by planning authorities, offering a compliant way to achieve modern thermal performance without compromising a building’s character.
Improve comfort and efficiency without replacing your windows.
Speak to KP Glass & Windows today about bespoke secondary glazing solutions.
Call 01536 525140 or request your free quote.
Visit our showroom and workshop
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