Business Details
50 Years
experience
Your Trusted Partner for Windows & Doors in Paignton
Since 1976, Sierra Windows has been a leader in manufacturing bespoke PVC-U windows, doors, and conservatories from our factory in Devon. We combine traditional craftsmanship with innovative energy-saving solutions to transform homes and businesses across the UK. With over 45 years of experience, we pride ourselves on delivering high-quality products that meet Part L compliance and exceed industry standards. As part of the Epwin Group, we leverage extensive supplier networks to offer a complete 'one roof' service, from design to delivery.Our team of experts provides tailored advice on measurements, styles, and fittings, ensuring clients receive customised solutions. We maintain rigorous quality control, with 99.1% of orders delivered on time and complete. Our commitment to innovation includes new foils, finishes, and technologies that enhance efficiency. Trusted by businesses nationwide, we prioritise transparency, customer satisfaction, and long-term partnerships built on reliability and expertise.
Services
Windows
Doors
Conservatories
Aluminium Bi-folds
PVC-U Frames
Composite Doors
Lantern Roofs
Thermoplastic Systems
Details
- Year established: 1976
Highlights and features
- We have over 45 years of experience in PVC-U window and door manufacturing.
- Our products are crafted to order at our Devon factory with rigorous quality checks.
- We offer a complete design-to-delivery service across the UK.
- As part of the Epwin Group, we ensure reliability through trusted supplier networks.
- Our team provides expert, tailored advice on design and installation.
Services
Windows
Our made-to-order windows include casement, tilt-and-turn, and vertical slider designs, crafted to meet precise specifications. Each frame undergoes rigorous testing to ensure compliance with UK regulations. With energy efficiency and security prioritised, our solutions cater to both residential and commercial properties across the UK.
Doors
Sierra offers PVC-U, composite, and thermoplastic doors engineered for durability and insulation. Products include patio, French, and bi-fold designs, independently tested to exceed industry standards. Customisable options ensure seamless integration with any property, enhancing both aesthetics and functionality.
Conservatories
From design to delivery, our conservatories combine bespoke craftsmanship with high-performance materials. Available in various styles, they are built to extend living spaces while maintaining thermal efficiency. Our end-to-end service ensures hassle-free installations tailored to client requirements.
Aluminium Bi-folds
Bespoke aluminium bi-fold doors provide sleek, modern solutions for residential and commercial projects. Each product is tailored to exact dimensions, offering slim profiles and enhanced durability. Designed for seamless indoor-outdoor integration, they meet thermal performance and security standards.
PVC-U Frames
Sierras PVC-U frames deliver cost-effective, low-maintenance solutions for windows and doors. Available in multiple colours and finishes, they combine traditional aesthetics with modern energy efficiency. Trusted by businesses nationwide, these products meet rigorous compliance and durability benchmarks.
Questions
Are your products compliant with UK building regulations?
All our windows, doors, and conservatories meet Part L compliance and exceed industry standards for energy efficiency and security.
Do you deliver nationwide?
Yes, we offer nationwide delivery across the UK as part of our end-to-end design-to-delivery service.
What materials do you work with?
We specialise in PVC-U, composite, thermoplastic, and aluminium systems to suit diverse architectural needs.
Can I get custom-coloured products?
Yes, we offer a wide range of colours and finishes, including new foils to meet modern build requirements.
How long does manufacturing take?
Lead times vary by product, but 99.1% of orders are delivered on time and complete, with production managed efficiently at our Devon factory.
Are your products tested for performance?
All products undergo independent testing to ensure they meet or exceed industry standards for security, insulation, and durability.
Reviews (1)
Heinje Ian
Oct 23, 2015
Report
I live on Charlton Lane, Torton in Worcestershiere and this afternoon at 14:50 one of your HGV trucks has travelled up and down it as a shortcut to.
