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Business Details
23 Years
experience
Your Trusted Sash & Case Window Specialists in Glasgow
Preservation Windows has been serving Glasgow and Scotland for over 15 years, specialising in the manufacture, installation, and refurbishment of sash and case windows. Our team of expert craftsmen produces bespoke timber windows using the finest natural materials, ensuring energy efficiency while preserving the character of period properties. We pride ourselves on delivering tailored solutions, from initial consultation and free quotes to showroom visits, precise measurements, and professional installation.

Our process prioritises quality, with windows crafted in our Glasgow workshop and finished to clients' exact specifications. We are committed to enhancing homes through draught-proof, low-maintenance windows that add value and reduce carbon footprints. Supporting the local economy, all our products are proudly made in Scotland. Customer satisfaction remains central to our approach, with ongoing support available post-installation.
Services
Sash Window Installation Window Refurbishment Bespoke Replacements Timber Window Manufacturing Period Property Solutions Commercial Window Projects Draught-Proofing Services Custom Paint Finishes Ironmongery Fitting Historic Building Restoration
Details
  • Year established: 2003
Highlights and features
  • Over 15 years of experience in Scottish timber window craftsmanship
  • Bespoke manufacturing tailored to exact property requirements
  • Use of sustainably sourced, high-quality natural timber
  • Free consultations and showroom visits for informed decisions
  • End-to-end service from measurement to professional installation
What people say
Fantastic windows Professionalism Second to none Beautiful natural light Expert installation
Services
Sash Window Installation
Our bespoke sash window installation service combines traditional craftsmanship with modern energy efficiency. Each window is custom-made in our Glasgow workshop using sustainably sourced timber, ensuring perfect fit and period-appropriate aesthetics. The process includes precise measurements, showroom consultations, and professional fitting by experienced installers who prioritise property protection and minimal disruption.
Window Refurbishment
Preservation Windows specialises in restoring historic sash and case windows to their former glory. Our refurbishment process includes repairing damaged components, draught-proofing, and applying durable finishes while maintaining original architectural details. This service extends window lifespan and improves thermal efficiency without compromising heritage value.
Bespoke Replacements
We create made-to-measure window replacements tailored to individual property requirements. Clients choose from various timber types, paint finishes, and ironmongery options to achieve both functional improvements and aesthetic harmony. Each replacement window is crafted in our workshop to exact specifications, ensuring seamless integration with existing structures.
People
Brendan
Director
With over 15 years in timber window craftsmanship, Brendan leads Preservation Windows' team in delivering bespoke solutions. He oversees client consultations, project management, and quality control, ensuring every installation meets exacting standards while preserving architectural heritage.
Questions
What types of windows do you specialise in?
We specialise in sash and case windows for residential and commercial properties, focusing on traditional timber designs that combine energy efficiency with period-appropriate aesthetics.
Do you offer restoration services for historic properties?
Yes, we provide comprehensive window refurbishment for historic buildings, including draught-proofing, component repair, and finish restoration while maintaining original architectural integrity.
How are your windows manufactured?
All windows are custom-made in our Glasgow workshop using sustainably sourced timber. Each component is crafted to order, ensuring precise fit and finish tailored to individual property requirements.
Can I see examples of your work?
Visit our Glasgow showroom to view finished products or explore case studies on our website showcasing completed projects across Scotland, including university buildings and historic homes.
What areas do you serve?
While based in Glasgow, we provide window installation and refurbishment services throughout Scotland, catering to both urban and rural properties with equal attention to detail.