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Business Details
42 Years
experience
Expert Glazing Solutions in Essex
Established in 1984, Diamond Windows has been a family-run glazing business dedicated to providing high-quality products and services to homeowners and builders across Essex. Our commitment to excellence is reflected in our in-house manufacturing of composite doors, double and triple glazed windows, conservatories, and bi-fold doors, all crafted to the highest standards using British-manufactured components. By eliminating the middleman, we offer competitive pricing without compromising on quality, backed by a 10-year insurance-backed guarantee on all installations. Our team of experts provides tailored solutions, from initial design consultations to professional installation, ensuring every project meets our clients' unique needs. With over three decades of experience, we pride ourselves on delivering exceptional value, reliability, and customer satisfaction, making us a trusted choice for glazing solutions in the region.

Our showroom in Maldon serves as a hub for customers to explore our extensive product range, including bespoke options for windows, doors, and conservatories. We prioritize transparency, using advanced glazing technologies and energy-efficient materials to enhance homes' security, thermal performance, and aesthetic appeal. Our dedication to innovation is evident in features like self-cleaning and temperature-controlled glass, while our comprehensive service extends to fascias, soffits, cladding, and garage doors. Positive testimonials highlight our professionalism, attention to detail, and the transformative impact of our work on clients' properties. As a locally rooted business, we remain committed to maintaining our reputation for integrity, craftsmanship, and customer-centric service.
Services
Composite Doors Conservatories Double Glazing Window Repairs Garage Doors Fascias and Soffits Cladding Skylights Bi-Fold Doors Patio Doors
Details
  • Year established: 1984
Highlights and features
  • Family-run since 1984 with a legacy of reliability and craftsmanship.
  • In-house manufacturing ensures quality control and competitive pricing.
  • 10-year insurance-backed guarantee on all installations.
  • Uses British-manufactured components for superior durability.
  • Offers bespoke design and installation services tailored to client needs.
What people say
Excellent job Superb service High quality Reasonable price Strongly recommend
Services
Composite Doors
Our composite doors combine durability and aesthetic appeal, offering enhanced security and thermal efficiency. Available in traditional and contemporary styles, they are custom-made to suit individual preferences. Each door is crafted with high-quality materials and includes a 10-year guarantee, ensuring long-term performance and customer satisfaction.
Conservatories
Bespoke conservatories provide additional living space with maximum natural light. We offer Edwardian, Victorian, and modern designs, all manufactured in-house. Features include energy-efficient glazing, low-maintenance frames, and optional extras like underfloor heating. Full installation service ensures seamless integration with existing properties.
Double Glazing
Double glazing improves energy efficiency and noise reduction. We supply and install PVCu, aluminium, and timber windows with options for custom colours and styles. Our solutions include casement, sash, and tilt-and-turn designs, all meeting Secured by Design standards for security.
Skylights
Skylights enhance natural light in homes with flat roofs. Our units feature self-cleaning glass, temperature control, and energy-efficient U-values. Available in 2 or 3 bar variants with customizable frame colours, they add value and modern aesthetics while requiring minimal maintenance.
Garage Doors
Modern garage doors combine functionality with style, available in roller, sectional, and panelled designs. Options include motorized operation, remote control, and insulation for temperature regulation. Durable materials and a range of colours ensure compatibility with various property types.
Questions
What areas do you serve?
We operate throughout Essex, including Maldon, Colchester, and Chelmsford, providing glazing solutions for residential and commercial properties.
Do you offer a guarantee on installations?
Yes, all our installations come with a 10-year insurance-backed guarantee for added peace of mind.
Can I customize my windows and doors?
Yes, we offer made-to-measure products in various styles, colours, and materials to meet individual preferences and property requirements.
Are your products energy efficient?
Our double and triple glazed windows, conservatories, and skylights feature advanced glazing technologies to improve thermal performance and reduce energy bills.
Do you supply to trade customers?
Yes, we provide products to trade professionals and DIY enthusiasts, with expert advice and competitive pricing available at our showroom.