Business Details
Trusted Windows & Doors in Morden Since 1970
Established in the 1970s, SCI Windows has built a reputation as a trusted provider of high-quality windows and doors across Surrey and South West London. Our commitment to exceptional craftsmanship, customer service, and UK-manufactured products has earned us over 10,000 satisfied customers and a 9.8 average rating from 1,036 reviews. With our Morden showroom operational since 1981 and the same dedicated management team since 1987, we combine decades of expertise with a personal touch. We specialise in made-to-measure solutions that meet local planning requirements while prioritising energy efficiency and aesthetic appeal. Our 10-year insurance-backed guarantee ensures long-term peace of mind, and our no-pressure approach focuses on delivering tailored advice and stress-free installations.As a family-run business, we value word-of-mouth recommendations and maintain strong relationships with our customers throughout the process. Our teams extensive experience enables us to offer expert guidance on heritage preservation, contemporary design integration, and thermal performance optimisation. We pride ourselves on transparency, reliability, and the ability to transform homes with solutions that exceed current regulations. With all products developed for the UK climate, we remain committed to innovation while maintaining traditional values of craftsmanship and customer care.
Services
PVCu Windows
Bi-Fold Doors
Composite Doors
Sash Windows
Roof Lanterns
Conservatories
Secondary Glazing
Georgian Windows
Porches
Diamond Lead Windows
Highlights and features
- We offer a 10-year insurance-backed guarantee on all installations
- Our products are specifically designed for the UK's climate conditions
- We combine 50 years of industry experience with modern manufacturing techniques
- Our team provides expert guidance on heritage and conservation requirements
- We maintain a 9.8 average customer satisfaction score across 1,036 reviews
What people say
Excellent service from start to finish
Competitive pricing with no hidden costs
Professional and reliable installation team
Expert advice tailored to specific needs
Outstanding aftercare and customer support
Services
PVCu Windows
Our PVCu windows combine traditional aesthetics with modern energy efficiency. Designed specifically for the UK climate, these windows exceed current thermal performance regulations while maintaining authentic period appearances. The durable, low-maintenance frames come in various styles and colours to complement both heritage and contemporary properties.
Bi-Fold Doors
Contemporary bi-fold door systems create seamless transitions between indoor and outdoor spaces. Our aluminium and PVCu options offer slim sightlines, excellent thermal performance, and smooth operation. Available in bespoke configurations to suit various architectural styles while meeting security and insulation standards.
Composite Doors
Engineered for maximum security and thermal efficiency, our composite doors feature reinforced frames and high-density insulation cores. The durable GRP skins resist weathering while maintaining aesthetic appeal, available in traditional and modern designs with custom ironmongery options for enhanced security.
Sash Windows
Authentic box sash windows replicate historic designs while incorporating modern performance features. Our heritage range maintains period accuracy for conservation areas with improved energy efficiency through advanced glazing and draught-proofing technology.
Roof Lanterns
Contemporary roof lanterns enhance natural light in loft conversions and extensions. Our thermally efficient designs feature low-iron glass for maximum clarity and powder-coated aluminium frames. The structural integrity meets building regulations while creating striking architectural focal points.
Questions
What guarantees do you offer with your installations?
All our window and door installations come with a 10-year insurance-backed guarantee covering both materials and workmanship.
Can you help with planning permission requirements?
Yes, our team provides expert guidance on local planning regulations and Conservation Area requirements during your consultation.
Do you manufacture products locally?
All our windows and doors are designed, developed, and manufactured in the UK to meet our exacting quality standards.
What energy efficiency ratings do your products achieve?
Our double-glazed units achieve A+ energy ratings, with triple-glazing options available for enhanced thermal performance.
How long does the installation process take?
Most standard installations complete within 1-2 days, with bespoke projects scheduled according to specific requirements.
Are your installers directly employed by SCI?
Yes, we use our own experienced installation teams rather than subcontractors, ensuring consistent quality and accountability.