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Timber Windows & Doors for Residential & Commercial Properties
Timbertherm Windows has established itself as a leader in crafting custom-manufactured timber windows and doors, serving both residential and commercial clients. Our commitment to blending traditional craftsmanship with modern technology ensures products that meet rigorous performance standards while preserving aesthetic integrity. With a focus on security, energy efficiency, and bespoke design, we cater to diverse architectural styles, from heritage-listed buildings to contemporary developments.

Our team collaborates closely with clients, offering tailored solutions that include advanced thermal insulation, acoustic performance, and sustainable materials. Backed by decades of industry experience, we prioritise durability, compliance with building regulations, and exceptional customer service, ensuring every project achieves long-term satisfaction and value.
Services
Casement Windows Sash Windows Bi-fold Doors Entrance Doors French Doors
Highlights and features
  • We offer bespoke timber windows and doors tailored to your project's architectural needs.
  • Our products are FSC-certified, ensuring sustainable and ethical sourcing.
  • We provide energy-efficient solutions with low U-values for thermal performance.
  • Our windows include modern security features as standard, including lockable mechanisms.
  • We work closely with clients from design consultation to installation support.
Associations and certifications
  • Forest Stewardship Council (FSC)
Services
Casement Windows
Our casement windows are crafted from engineered timber, offering durability and thermal efficiency. Designed to suit traditional and modern properties, they feature double or triple glazing, low U-values, and optional security enhancements. Ideal for improving energy performance while maintaining aesthetic appeal.
Sash Windows
Sash windows combine classic elegance with modern performance. Manufactured with double or triple glazing, they provide excellent insulation and noise reduction. Perfect for listed buildings or period properties requiring compliance with conservation standards and enhanced thermal efficiency.
Bi-fold Doors
Bi-fold doors create seamless transitions between indoor and outdoor spaces. Constructed from engineered timber with aluminium cladding, they offer durability, security, and weather resistance. Customisable designs cater to residential and commercial projects, enhancing natural light and accessibility.
Entrance Doors
Entrance doors are engineered for security and longevity, using high-quality timber with reinforced locking systems. Available in bespoke designs, they meet insurance compliance and provide thermal efficiency, ensuring safety and aesthetic harmony with your property.
French Doors
French doors blend timeless design with modern functionality. Made from engineered timber, they offer durability, thermal performance, and optional security features. Ideal for residential properties seeking elegant access to gardens or patios while maintaining energy efficiency.
Questions
What makes Timbertherm windows energy efficient?
Our windows use Argon gas-filled double glazing and low U-values to minimise heat loss, reducing energy bills and environmental impact.
Can I customise my windows and doors?
Yes, we offer bespoke designs, including paint finishes, Georgian bars, and arched styles, tailored to match your property's architecture.
Are Timbertherm products suitable for listed buildings?
Yes, our windows meet conservation requirements, combining historical accuracy with modern thermal and security standards.
What materials do you use?
We use FSC-certified engineered timber, laminated for durability, and aluminium cladding for low-maintenance, weather-resistant finishes.
Do you provide installation support?
Yes, our team offers end-to-end service, from design consultation to technical drawings and installation guidance for all projects.