Secondary Glazing: The Invisible Performance Upgrade for Period Homes
Preserving the architectural heritage of Scotland shouldn’t mean compromising on comfort.
If you live in a Listed Building or a designated Conservation Area, replacing your original timber sash windows with uPVC is often prohibited.
Secondary glazing is the architect-preferred solution.
By installing a discreet, high-performance internal frame, you gain all the benefits of modern double glazing while keeping your original windows—and the planning office—perfectly intact.
Because secondary glazing is internal, it generally does not require Listed Building Consent or Planning Permission in Scotland.
Silence Your Streets:
Acoustic Insulation that Works
City centre living comes with a soundtrack of sirens, traffic, and late-night footfall. Standard double glazing can struggle with low-frequency noise, but secondary glazing excels. By creating a significant 'air gap' (up to 100mm) between your existing window and the new internal unit, we can reduce external noise by up to 80%. It’s the difference between a restless night and a sanctuary of silence."
Stop the Drafts,
Slash the Bills:
Thermal Efficiency
Traditional single-pane windows are notorious for heat loss and rattling drafts. Our secondary glazing units use slimline aluminium frames and high-spec glass to create an airtight seal. This effectively 'traps' a layer of insulating air, reducing heat loss through your windows by over 60%. You’ll feel the difference in your room temperature immediately and see it in your energy bills by the end of the month."
Discreet, Minimalist Design
We believe the best secondary glazing is the kind you don't notice. Our frames are engineered from ultra-slim, architectural-grade aluminium, powder-coated to match your existing woodwork. Whether you have functional sash windows that need to slide or large bays that need to swing open for cleaning, our bespoke designs mirror your original window lines for a seamless, 'invisible' finish.
Join over 5,000 Scottish homeowners who skipped the salesman and saved an average of 25% on their new windows.
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