Secondary glazing for Scotland’s homes, heritage properties and traditional buildings.
Improve comfort while preserving the windows that give your property its character.
20+ Years Experience
Heritage Specialists
InvisiTherm® System
10-Year Guarantee
Cocoon designs and installs bespoke secondary glazing solutions for homes, heritage buildings, churches and commercial properties throughout Scotland.
Every installation is thoughtfully designed around the character and requirements of the building, creating a discreet solution that complements existing windows.
SECONDARY GLAZING SOLUTIONS
Thoughtfully designed systems for:
SELECTED INSTALLATIONS ACROSS SCOTLAND
EDINBURGH
LISTED TOWNHOUSE
Discreet secondary glazing installed to improve warmth and comfort while preserving original sash windows.
DUNDEE
LISTED HERITAGE THEATRE
Secondary glazing carefully designed around distinctive window shapes and architectural features, helping improve acoustic comfort while respecting the building's historic character.
ABERDEEN
HISTORIC CHURCH
Discreet secondary glazing installed to improve thermal comfort without altering stained glass or original timber features.
GLASGOW
TENEMENT FLAT
Improved insulation and reduced draughts while retaining the appearance and character of the original windows.
STIRLING
LUXURY APARTMENTS
Secondary glazing is installed to help reduce external noise and improve day-to-day comfort within a busy city-centre environment.
PERTH
TRADITIONAL HOME
Created a warmer, cosier home while preserving the beauty and character of the original stained glass windows
Why Choose Us?
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Specialists in heritage and complex windows
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Suitable for virtually any window shape or configuration
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Colour-matched to complement existing interiors and paint finishes
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Bespoke made-to-measure systems
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Discreet InvisiTherm® installation
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Trusted across Scotland since 2013
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Backed by a 10-year guarantee
Designed to Perform
THERMAL
Up to 63% reduction
in heat loss
ACOUSTIC
55% to 88% reduction
in external noise
NATURAL LIGHT
87% light transmission
U-VALUE
Achieving a U-Value
of approximately
1.7 W/m²K
10-YEAR GUARANTEE
Long-term clarity
and performance
