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Award-Winning Timber Sash Window Restoration in Glasgow
MWM Matt Window Mate is a family-run business founded by skilled craftsman Matthew Paszenda and his wife Sylwia. Specialising in the restoration and replacement of traditional timber sash and case windows, we combine heritage craftsmanship with modern technology to enhance historic properties across Glasgow. With over 18 years of experience in Scotland's renovation industry, our team delivers bespoke solutions that preserve architectural character while improving energy efficiency and functionality. We offer comprehensive services including draught-proofing, double-glazing upgrades, stained glass restoration, and conservation-compliant replacements for listed buildings.

Our commitment to quality is demonstrated through award-winning projects that maintain the integrity of original materials while extending the lifespan of windows by decades. As direct operators, we ensure every project receives personal attention and technical expertise, using premium timber and traditional methods to achieve seamless results indistinguishable from original features.
Services
Timber sash window repair Double-glazed sash windows Stained glass restoration Bespoke joinery services Mastic pointing Window draught-proofing Conservation area replacements Screen protection systems Easy clean window systems Re-glazing services
Highlights and features
  • We offer 18+ years of specialist experience in Glasgow's heritage window restoration
  • Our bespoke solutions maintain architectural integrity while improving energy efficiency
  • Award-winning craftsmanship recognised for conservation-compliant window replacements
  • We provide end-to-end services including draught-proofing, double-glazing, and stained glass restoration
  • Direct owner involvement ensures personal attention to every project detail
What people say
Outstanding finish Noise reduction Energy efficiency improvements Period charm preserved Professional service
Services
Timber sash window repair
Specialist restoration of traditional timber sash windows preserves architectural heritage while improving functionality. Our expert craftsmen address rot, draughts, and operational issues using traditional techniques. Each repair extends window lifespan by decades while maintaining original character.
Double-glazed sash windows
Bespoke double-glazed sash windows combine heritage aesthetics with modern performance. Custom-manufactured to match original profiles, these windows improve thermal efficiency by up to 70% without altering property appearance.
Stained glass restoration
Professional restoration of original stained and leaded glass preserves historic features. We carefully remove, repair, and encapsulate glass in double-glazed units to maintain visual appeal while enhancing insulation and protection.
Conservation area replacements
Tailored window solutions for conservation areas maintain architectural integrity while meeting regulatory requirements. Our replacements use traditional materials and methods approved by heritage authorities for period-appropriate upgrades.
Draught-proofing services
Comprehensive draught-proofing solutions eliminate cold air infiltration without compromising window operation. Using traditional materials and techniques, we maintain sash functionality while significantly improving thermal performance and noise reduction.
People
Matthew Paszenda
Owner & Lead Craftsman
Professional wooden sash window renovation specialist with 18+ years' experience in Glasgow's heritage window restoration. Combines traditional craftsmanship with modern techniques to preserve architectural character while enhancing window performance.
Sylwia Paszenda
Business Manager
Co-owner managing business operations with focus on client relations and project coordination. Ensures smooth service delivery while maintaining the company's commitment to heritage preservation and quality craftsmanship.
Questions
Do you specialise in conservation area window replacements?
Yes, we provide conservation-compliant timber sash window replacements that maintain architectural integrity while meeting modern performance standards.
Can original stained glass be preserved during window upgrades?
We expertly restore original stained glass and encapsulate it within double-glazed units to preserve heritage features while improving insulation.
What energy efficiency improvements do your windows offer?
Our double-glazed sash windows reduce heat loss by up to 70% compared to single-glazed originals while maintaining traditional aesthetics.
Do you offer draught-proofing solutions for existing windows?
Yes, we provide comprehensive draught-proofing services that maintain window functionality while eliminating cold air infiltration and noise.
Are your replacements suitable for listed buildings?
We specialise in listed building-compliant window solutions that balance heritage requirements with modern performance enhancements.
How long does a typical window project take?
Project duration varies by scope but typically ranges from 2-6 weeks, including bespoke manufacturing and professional installation.