Business Details
35 Years
experience
Innovative Window, Door & Curtain Wall Systems for Modern Architecture
Senior Architectural Systems has been a leader in the fenestration industry since 1991, delivering innovative window, door, and curtain wall systems that combine cutting-edge design with exceptional performance. Our commitment to quality is reflected in our rigorous material sourcing, in-house powder coating facilities, and a fleet of eco-friendly delivery vehicles. With over three decades of experience, we have pioneered advancements such as the patented PURe range, which utilises polyurethane thermal barriers to achieve ultra-low U-values. Our team of experts works closely with architects, fabricators, and contractors to provide tailored solutions for commercial and residential projects across the UK.Sustainability is central to our operations, from responsibly sourced recyclable aluminium to energy-efficient manufacturing processes. We maintain ISO 9001, ISO 14001, and ISO 45001 accreditations, underscoring our dedication to quality, environmental stewardship, and workplace safety. Our nationwide branch network and technical support teams ensure clients receive comprehensive service, from specification to installation. By continuously innovating and refining our products, we empower architects to realise ambitious designs while meeting evolving building regulations and environmental standards.
Services
Windows
Doors
Curtain Walls
Shopfronts
Roof Glazing
Secondary Glazing
Details
- Year established: 1991
Highlights and features
- 30+ years pioneering thermally efficient fenestration systems
- Patented PURe range with industry-leading low U-values
- In-house powder coating facilities with 25-year warranty
- ISO-certified commitment to quality and sustainability
- Nationwide technical support and branch network
Associations and certifications
- ISO 9001
- ISO 14001
- ISO 45001
What people say
Exceptional thermal performance
Durable systems
Eco-friendly practices
Nationwide support
Innovative designs
Services
Windows
Our aluminium window systems combine sleek aesthetics with advanced thermal efficiency. Available in multiple configurations including casement, tilt/turn, and parallel action designs, they feature polyamide or polyurethane thermal breaks to minimise heat loss. Compatible with curtain wall systems for seamless integration in new builds and refurbishments.
Curtain Walls
High-performance curtain walling solutions enable striking architectural designs while maintaining structural integrity. The SF52 and SF62 systems offer slim sightlines, enhanced thermal performance, and adaptability for high-rise and complex projects with challenging structural movement requirements.
Doors
Thermally efficient doors with PAS 24 security certification, available in swing, folding, and sliding configurations. The PURe Commercial Door provides high-traffic durability for education, healthcare, and retail sectors, with low thresholds and radius anti-finger trap stiles for safety compliance.
Secondary Glazing
Cost-effective secondary glazing systems improve thermal and acoustic performance of existing windows. Available in vertical/horizontal sliders and fixed options with 4mm or 6mm glazing, offering discreet concealed fixings and dual-colour finishes for heritage and modern buildings.
Powder Coating
In-house powder coating facilities provide 25-year warranted finishes in RAL or bespoke colours. Accredited to ISO standards, we offer polyester powder paint, anodised finishes, and wood-effect coatings with enhanced durability for marine and high-exposure environments.
People
Lennart Jonsson
Chairman of the Board
Founded the company in 1991, transforming it into the UK's leading fenestration systems provider through a commitment to quality, innovation, and customer service excellence.
Phil Guy
National Sales Manager
With extensive industry experience, Phil leads sales strategy to ensure nationwide technical support and client satisfaction across commercial and residential sectors.
Questions
What makes Senior's PURe range unique?
The PURe range uses patented polyurethane thermal barriers to achieve U-values as low as 0.88 W/m²K, combining slim sightlines with exceptional energy efficiency.
Do you offer technical support for architects?
Yes, our nationwide team of Architectural Advisors provides specification assistance, design guidance, and on-site support for all projects.
Are your products environmentally sustainable?
We use 100% recyclable aluminium, with over 50% sourced from UK suppliers. Our coating facilities reduce waste through powder recovery systems.
Can systems be customised to specific requirements?
All systems offer dual-colour options, bespoke finishes, and thermal enhancement features to meet exact project specifications and building regulations.
What warranty do you provide?
Our powder coatings come with a 25-year warranty, while systems are guaranteed to meet performance standards through rigorous quality control testing.
Videos
