

Heritage Window System
Preserve & Protext
Designed for listed buildings, heritage restorations and historically sensitive projects where authentic replication is essential.

Expert guidance for every project
Access expert guidance on building regulations, thermal performance, planning requirements and sash window specification.
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Whether you're working on a new-build development, period renovation or heritage conservation project, access expert guidance designed to simplify specification and installation.
Understanding Part Q Compliance
Sash Window U-Values Explained
Window System Comparison Guide
Conservation Area Requirements
Technical Specifications for Windows
HERITAGE SUITE
Key Features
The Heritage Suite has been designed for projects where authentic appearance is essential. Combining traditional craftsmanship with carefully selected modern materials, it delivers a timber sash window that respects the past while providing the durability expected for the future.
AUTHENTIC 48mm HERITAGE SASHES
Traditional 48mm sash sections faithfully replicate original timber windows, preserving the proportions and character expected within listed buildings and historic properties.
True Individual Glazing Panes
Unlike modern applied glazing bars, our Heritage Suite features genuine individual panes of glass separated by traditional glazing bars for complete historical authenticity.
Period-Correct Mouldings & Detailing
Every profile, moulding and sightline has been carefully designed to replicate original Georgian, Victorian and Edwardian sash windows while respecting traditional craftsmanship.
Conservation & Listed Building Focused
Specifically developed for projects where maintaining the original appearance of the building is paramount, helping satisfy the expectations of conservation officers and planning authorities.
PREMIUM Accoya® TIMBER
Manufactured from high-performance Accoya timber, offering exceptional dimensional stability, durability and longevity while maintaining the appearance of traditional joinery.
FACTORY FINISHED OR PRIMED
Available fully factory finished in a wide range of colours, or supplied primed for specialist finishing to suit heritage restoration projects.

