Business Details
28 Years
experience
Trusted uPVC Windows & Doors in Mansfield
Established in 1998, Diamond Window Systems has built a reputation for excellence in manufacturing and installing high-quality uPVC windows, doors, conservatories, and related products. As a family-run business, we prioritise customer care, combining traditional values with modern technology to deliver durable, energy-efficient solutions. Our commitment to quality is evidenced by our Fensa certification and adherence to rigorous industry standards. With in-house fabrication capabilities, including double-glazed units and conservatory roofs, we serve both trade professionals and DIY customers at competitive prices. Our product range features EuroCell profiles in multiple colours, ensuring aesthetic versatility while maintaining low maintenance requirements. The 10-year uPVC quality guarantee, backed by insurance, underscores our confidence in product longevity and performance. We utilise the Eurologik system, which balances aesthetic appeal with thermal efficiency, and offer custom design options through advanced CAD software.Our team's expertise extends to Victorian and Edwardian conservatory styles, bi-fold doors, and comprehensive roofline solutions, including fascias and soffits. By maintaining full control over manufacturing and installation processes, we ensure consistent quality across all projects. Our dedication to innovation is reflected in security-focused designs and realistic wood-grain finishes that cater to diverse architectural styles. With a focus on sustainability, our materials are colour-fast and resistant to warping, cracking, or discolouration. This combination of technical proficiency, customer-centric service, and continuous improvement has solidified our position as a trusted local supplier in Mansfield and surrounding areas.
Services
uPVC Windows
Doors
Conservatories
Soffits & Fascias
Door Furniture
Details
- Year established: 1998
Highlights and features
- Established family-run business since 1998 with in-house manufacturing capabilities
- Fensa-certified installations ensuring compliance with building regulations
- 10-year insurance-backed quality guarantee on all uPVC products
- Energy-efficient Eurologik system windows with A-rated energy performance
- Custom CAD-designed conservatories and bi-fold doors for tailored solutions
Associations and certifications
- Fensa
- Incorporation of Plastic Window Fabricators and Installers
Services
uPVC Windows
Our uPVC windows combine modern energy efficiency with classic design elements, available in Ovolo sculptured or Chamfered contemporary styles. Manufactured using the Eurologik system, they feature colour-fast profiles in white, cream, and realistic woodgrains, with A-rated energy performance. Each window includes high-security locking mechanisms and a 10-year insurance-backed guarantee.
Conservatories
We design and install Victorian and Edwardian-style conservatories with customisable layouts and finishes. Our CAD-designed structures incorporate energy-efficient glazing and durable uPVC frameworks, available in multiple colours. The 10-year product guarantee covers both structural integrity and thermal performance, ensuring year-round usability.
Soffits & Fascias
Our high-gloss and wood-effect soffits, fascias, and guttering systems resist warping and discolouration without requiring maintenance. Available in coordinated colours matching window frames, these components enhance property aesthetics while providing functional protection against weather damage with a 10-year durability guarantee.
Bi-Fold Doors
The Aspect bi-fold door system creates seamless transitions between indoor and outdoor spaces using thermally efficient profiles and multi-point locking systems. Available in white or wood-effect finishes, these doors feature low-threshold designs for accessibility and come with a 10-year structural warranty.
Door Furniture
We supply high-security door handles, knockers, and letterplates in white, chrome, gold, and black finishes. All components are designed to complement our uPVC door systems while meeting stringent security standards, with a 10-year guarantee covering material integrity and finish durability.
Questions
What guarantees do you offer on your products?
We provide a 10-year insurance-backed guarantee on all uPVC products and a 5-year warranty on glazing units, covering manufacturing defects and material performance.
Are your installations Fensa-certified?
Yes, our work meets Fensa certification standards for quality craftsmanship, customer satisfaction, and compliance with building regulations.
Can you match existing property styles?
Our Eurologik system offers 70mm profiles suitable for period properties, with options to replicate traditional sash windows or bay designs while maintaining modern efficiency.
Do you supply trade customers?
We manufacture and supply uPVC products to trade professionals at competitive prices, with full installation support available if required.
What colour options are available?
We offer white, cream, light oak, irish oak, rosewood, and white grain finishes, with dual-colour options for contrasting exterior/interior finishes.
