Business Details
50+ Years
experience
Premium Timber Windows & Doors Manufacturer in Northallerton
Established in 1965, we are a family-owned British manufacturer specialising in premium timber windows and doors. Our expertise spans over five decades, during which we have pioneered innovative designs such as the sashless dual-glazed window, originally adapted from Canadian technology to meet UK climatic needs. Our products are crafted from FSC-certified sustainable timber, combining traditional craftsmanship with modern engineering to deliver durability and aesthetic appeal. We serve architects, developers, and private clients across luxury housing, public sector refurbishments, and educational institutions. Our commitment to quality is underscored by industry-leading warranties, including a 30-year guarantee against rot and fungal attack.As a third-generation business, we retain core values of trust and integrity while maintaining a personalised approach to design and specification. Our Northallerton-based manufacturing facility enables nationwide delivery, ensuring our bespoke solutions meet diverse architectural requirements. With a focus on sustainability, we prioritise eco-conscious practices without compromising on performance or longevity. Our team provides end-to-end support, from initial design consultations to supply-and-install packages backed by insurance warranties underwritten by Lloyds of London. This combination of heritage, technical expertise, and customer-centric service positions us as a trusted partner in the timber fenestration sector.
Services
Timber Windows
Timber Doors
Casement Windows
Vertical Sliding Windows
Installation Service
Details
- Year established: 1965
Highlights and features
- We offer 50+ years of specialist experience in timber fenestration
- Our family-owned business retains core values of trust and integrity
- Products manufactured from FSC-certified sustainable timber sources
- Industry-leading 30-year warranty against rot and fungal attack
- Personalised design service with nationwide supply and installation
Associations and certifications
- FSC
Services
Timber Windows
Our timber windows combine traditional craftsmanship with modern engineering. Manufactured from sustainably sourced FSC-certified timber, they offer superior thermal performance and aesthetic versatility. Available in casement, vertical sliding, and bespoke designs to meet architectural specifications.
Timber Doors
Handcrafted timber door sets feature mortice and tenon joints for enhanced security. Options include solid timber and insulated composite designs, with custom finishes to complement residential and commercial properties while maintaining thermal efficiency.
Casement Windows
Stormproof casement windows provide weather resistance with traditional or contemporary styling. The Cleveland range balances durability and visual appeal, offering optimal light transmission and energy efficiency for modern and heritage buildings.
Vertical Sliding Windows
Richmond vertical sliding windows replicate traditional sash aesthetics with modern functionality. Available with weights/pulleys or spiral balance systems, they accommodate heritage requirements while meeting contemporary performance standards for insulation and ease of operation.
Installation Service
We offer comprehensive supply-and-install packages with insurance-backed warranties. Our professional installation ensures precise fitting of bespoke window and door solutions, supported by design consultations and post-installation maintenance guidance for long-term performance.
Questions
What makes Sashless Windows different from other timber window suppliers?
We combine 50+ years of specialist experience with FSC-certified materials and offer industry-leading 30-year warranties. Our family-owned business provides bespoke design services and nationwide installation support.
Do you supply windows for listed buildings or heritage projects?
Yes, our Richmond vertical sliding windows and heritage-style designs meet conservation area requirements. We've completed projects involving Grade II listed properties and historic building conversions.
What warranty options are available?
We provide a 30-year warranty against rot, 10-year guarantees for sealed units and manufacturing defects, and insurance-backed warranties for supply-and-install packages underwritten by Lloyds of London.
Can you accommodate custom design specifications?
Our Northallerton manufacturing facility produces made-to-measure windows and doors. We work closely with architects and developers to create bespoke solutions that meet specific aesthetic, performance, and dimensional requirements.
What sustainability credentials do your products have?
All timber comes from FSC-certified sustainable sources. Our manufacturing processes prioritise eco-conscious practices, and our windows' longevity contributes to whole-life cost efficiency in construction projects.
