Business Details
28 Years
experience
Trusted uPVC Windows & Doors in Mansfield
Established in 1998, Diamond Window Systems is a family-run business based in Mansfield, dedicated to delivering high-quality uPVC windows, doors, conservatories, and related products. Our commitment to excellence is reflected in our Fensa certification and Certificate of Excellence from the Incorporation of Plastic Window Fabricators and Installers. All products are manufactured on-site using EuroCell Profiles, ensuring precision and durability. We offer a comprehensive service, from supply-only options to full installations, catering to both trade and DIY customers. Our energy-efficient solutions include A-rated windows, 10-year quality guarantees, and a range of colours and finishes to suit diverse architectural styles.With a focus on innovation, we utilise CAD software to design bespoke conservatories that blend functionality with aesthetic appeal. Our team prioritises customer satisfaction, providing expert guidance and support throughout every project. From soffits and fascias to door furniture, our products combine security, low maintenance, and timeless design. As a locally rooted business, we pride ourselves on understanding regional needs while maintaining national standards of excellence. Our reputation for quality, value, and care has made us a trusted choice for homeowners and professionals alike.
Services
uPVC Windows
uPVC Doors
Conservatories
Soffits & Fascias
Door Furniture
Details
- Year established: 1998
Highlights and features
- Family-run business with 25+ years of industry experience
- Fensa-certified for quality workmanship and customer satisfaction
- 10-year quality guarantee on all uPVC products
- On-site manufacturing of double-glazed units and conservatory roofs
- Energy-efficient A-rated windows and doors
Associations and certifications
- Incorporation of Plastic Window Fabricators and Installers
- Fensa Certification
Services
uPVC Windows
Our uPVC windows combine energy efficiency with modern design, available in Ovolo and Chamfered styles. They feature high-security locks, A-rated insulation, and a 10-year quality guarantee. Customisable in white, light oak, and other wood-effect finishes, they enhance both traditional and contemporary properties while reducing heating costs.
uPVC Doors
We offer durable uPVC doors in the Dales and Diamond collections, including wood-effect and white finishes. Designed for security and thermal efficiency, they come with a 10-year guarantee. Options include front and back doors, with matching furniture like handles and letterboxes for a cohesive aesthetic.
Conservatories
Our conservatories provide versatile living spaces, available in Victorian and Edwardian styles. Built with CAD-designed frames and energy-efficient glazing, they include 10-year guarantees. Ideal for dining areas, lounges, or playrooms, they seamlessly blend indoor and outdoor living with low-maintenance durability.
Soffits & Fascias
High-gloss or wood-effect soffits, fascias, and guttering enhance property exteriors while resisting rot and discolouration. Supplied in multiple colours, they require minimal maintenance and come with a 10-year guarantee. Suitable for domestic and commercial properties, ensuring long-lasting aesthetic appeal.
Door Furniture
Complement your uPVC doors with high-security handles, knockers, and spy holes in white, chrome, gold, or black. Designed for durability and style, these accessories match our windows and doors, offering both functional security and visual cohesion for residential and trade projects.
Questions
What types of uPVC windows do you offer?
We provide Ovolo (sculptured) and Chamfered (contemporary) styles, including casement, tilt & turn, and arched windows in various finishes.
Are your products energy efficient?
Yes, all windows and doors are A-rated for energy efficiency, reducing heating bills and improving thermal insulation.
Do you offer guarantees on installations?
We provide a 10-year quality guarantee on uPVC products and a 5-year guarantee on glazing, backed by insurance.
Can I customise colours and finishes?
Yes, choose from white, light oak, rosewood, and cream, with options for dual-colour finishes to match your property's style.
Do you supply to trade and DIY customers?
Yes, we cater to both trade professionals and DIY enthusiasts with supply-only options and full installation services.
What areas do you serve?
We operate across Mansfield, Kirkby in Ashfield, and surrounding Nottinghamshire areas for residential and commercial projects.
