Business Details
32 Years
experience
Expert Windows, Doors & Conservatories in Essex
Diamondglaze has been a trusted name in the double glazing industry for over 28 years, specialising in replacement windows, doors, conservatories, and porches across Essex. Our commitment to customer satisfaction is evident in the quality of our workmanship and the premium products we supply, including Rehau and Solidor systems. We prioritise transparency, offering free, no-obligation quotations and expert advice tailored to individual needs.With a 10-year guarantee on windows and 5-year coverage for locks and units, we ensure long-term peace of mind. Our team takes pride in minimising disruption during installations, maintaining a clean workspace, and recycling old materials to support environmental sustainability. Our reputation, built on over two decades of positive client feedback, reflects our dedication to excellence in every project we undertake.
Services
Windows
Doors
Conservatories
Porches
Repairs
Details
- Year established: 1994
Highlights and features
- We have over 28 years of experience in double glazing installations.
- Our team provides free, no-pressure quotations and expert advice.
- All products come with a 10-year guarantee for windows and doors.
- We use premium Rehau and Solidor systems for superior durability.
- Minimal disruption and complete site cleanup included in every project.
What people say
Professional & pleasant
Quick & efficient service
Highly recommend
Excellent craftsmanship
Competitive prices
Services
Windows
Our A-rated PVCu windows enhance home insulation, reduce noise, and improve security with Yale locks. Designed for energy efficiency, they lower heating bills by preventing heat loss. Each window includes modern openers for easy cleaning and a 10-year guarantee.
Doors
Composite and uPVC doors combine security with kerb appeal, featuring 3-point locking systems and 10-year guarantees. Available in 20+ designs, they include slam-shut engineering and Avantis locks for maximum safety and durability.
Conservatories
Custom-built conservatories add living space with styles like Victorian, Edwardian, and P-shaped designs. Constructed using durable PVCu and aluminium, they include energy-efficient glazing and require minimal planning permission for swift installation.
Porches
Durable porches provide secure storage and enhance home aesthetics. Designed to meet individual needs, they feature weatherproof materials and comply with building regulations, with planning permission guidance included for installations under 3m.
Repairs
We repair misted units, faulty hinges, and damaged frames using premium components. Our service extends the lifespan of existing installations while maintaining security standards and energy efficiency for long-term value.
People
Steve Cave
Owner
Steve Cave, owner of Diamondglaze, has led the company for over 28 years, delivering expert glazing solutions across Essex. His hands-on approach ensures every project meets strict quality standards while prioritising customer satisfaction and environmental responsibility.
Questions
What areas do you serve?
We operate throughout Essex, including Stanford-le-Hope, Thurrock, and surrounding regions.
Do your windows come with guarantees?
All windows include a 10-year manufacturer's guarantee and 5 years for locks and handles.
How long does installation take?
Most window and door installations complete within 1-2 days, with larger projects scheduled accordingly.
Are your products energy efficient?
Our A-rated windows and doors exceed British Standards for thermal efficiency and noise reduction.
Do you offer security upgrades?
We install Yale locks, Avantis security systems, and reinforced frames for enhanced home protection.
Can you replace only parts of windows?
Yes, we replace individual units, handles, and hinges without full window replacement when possible.
