Business Details
34 Years
experience
Premium Windows & Doors in Llanelli
Established in 1992, Atcost Windows has built a reputation for delivering high-quality glazing solutions across residential, commercial, and healthcare sectors. Our origins trace back to 1985 when the business was founded by Richard and his father Doug at Llanelli's Cambrian Works. Over three decades later, we remain a family-run enterprise, now supported by Richard's three children, ensuring continuity and commitment to excellence. We specialise in uPVC, aluminium, and timber-effect windows and doors, offering multi-point locking systems and Secured by Design certification for enhanced security. Our product range extends to outdoor living solutions, including composite decking, fencing, and garden room lantern roofs, all designed to meet BSI standards.Sustainability is central to our operations, with onsite recycling initiatives and a transition to paperless systems. Partnering with market leaders like Rehau, Pilkington, and Reynaers guarantees cutting-edge, durable products. Our dual trade counters in Llanelli and Cardiff serve both trade professionals and DIY enthusiasts, supported by a 30-year industry heritage. Customer satisfaction is evidenced by testimonials highlighting our reliable service and premium installations. With manufacturing facilities in Llanelli, we combine local expertise with nationwide reach, ensuring tailored solutions for every project.
Services
uPVC Windows
Composite Doors
Bifold Doors
Aluminium Windows
Lantern Roofs
Composite Decking
Glass Balustrades
PVC Cladding
Trade Supplies
Installation Services
Details
- Year established: 1992
Highlights and features
- 30+ years of expertise in glazing solutions
- Family-run business with generational continuity
- Sustainable practices with onsite recycling initiatives
- Market-leading brands for guaranteed quality
- Enhanced security with Secured by Design certification
Associations and certifications
- Secured by Design
- Rehau
- Pilkington
- Reynaers
What people say
First class product
Pleasure to deal with
Secure, stylish windows
Fourth order placed
Replacement windows
Services
uPVC Windows
Our uPVC windows combine durability with thermal efficiency, featuring multi-point locking systems for security. Available in flush sash and sliding styles, they suit both traditional and modern properties. Customisable colours and designs ensure seamless integration with any property.
Composite Doors
Composite doors offer superior strength and insulation, with reinforced frames and high-quality finishes. We provide a range of designs, including decorative glass options, to enhance property aesthetics while meeting security standards.
Lantern Roofs
Slim-profile lantern roofs maximise natural light in garden rooms and extensions. Available in contemporary, regular, and square designs, they meet BSI standards for strength and include low-maintenance aluminium frames.
Composite Decking
Weather-resistant composite decking combines wood aesthetics with plastic durability. Available in Teak, Slate, and Silver Ash finishes, it requires minimal maintenance and resists fading, staining, and rot.
Glass Balustrades
Frameless glass balustrades provide unobstructed views while ensuring safety. Ideal for stairs, balconies, and decking, they feature toughened glass panels and durable aluminium posts for a sleek, modern finish.
People
Richard
Managing Director
Co-founder of Atcost Windows in 1992, Richard has over 35 years' experience in the glazing industry. He oversees operations and strategic growth, ensuring the business maintains its family values and high standards.
Doug
Co-founder
Doug co-established the business with his son Richard in 1985. His early leadership laid the foundation for Atcost Windows' reputation for quality and reliability in the glazing sector.
Steve
Director
Steve joined the company in 1992 as a director, managing the Cardiff trade counter. With two decades of service, he ensures trade customers receive expert support and premium products.
Questions
What types of windows and doors do you offer?
We supply and install uPVC, composite, aluminium, and timber-effect windows and doors in various styles and colours.
Are your products energy efficient?
Yes, our windows and doors meet high energy efficiency standards, reducing heat loss and lowering energy bills.
Do you provide trade services?
Yes, we offer trade counters in Llanelli and Cardiff with products and support for professionals.
How do you ensure product security?
All products feature multi-point locks and meet Secured by Design standards for enhanced security.
What outdoor living products are available?
We provide composite decking, fencing, glass balustrades, garden room lantern roofs, and artificial grass.
Is installation included with product purchases?
Yes, we offer installation services for windows, doors, and outdoor living products across South Wales.
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