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Business Details
36 Years
experience
Trusted Double Glazing & Home Improvement Solutions in Sussex
Established in 1990, Keymer Double Glazing has built a reputation for excellence in supplying and installing uPVC, Composite, and Aluminium double glazing products across Sussex. Our commitment to customer service ensures every installation is completed with care and minimal disruption, meeting the highest standards of quality. We pride ourselves on recycling 80-85% of replaced materials, reflecting our dedication to sustainability. With a showroom in Burgess Hill, we offer hands-on demonstrations of our full product range, including windows, doors, conservatories, and roofline solutions. Our team of experts provides in-depth knowledge and tailored advice to meet individual customer needs. Recognised by Which Trusted Trader and Checkatrade with a 9.7 rating, we combine decades of industry experience with innovative solutions.

Our factory, trade counter, and installation teams operate from a single site, ensuring efficiency and accessibility. We offer free, no-obligation quotes and flexible appointment scheduling to accommodate client preferences. All work is backed by comprehensive guarantees, demonstrating our confidence in product durability and service quality. Our focus remains on delivering reliable, energy-efficient home improvements that enhance comfort and property value.
Services
Double Glazing Conservatories Bi-Fold Doors Roofline Products Composite Doors Aluminium Windows GRP Canopies Garden Rooms Roof Lanterns Maintenance Services
Details
  • Year established: 1990
Highlights and features
  • Established in 1990 with proven expertise in double glazing and home improvements
  • Recycle 80-85% of replaced materials for environmental responsibility
  • Burgess Hill showroom with full product demonstrations
  • 9.7 Checkatrade rating from over 500 verified reviews
  • Factory-direct service with in-house installation teams
Associations and certifications
  • Which Trusted Trader
  • Checkatrade
What people say
Excellent customer service Professional installation High-quality products Competitive pricing Prompt communication
Services
Double Glazing
We supply and install energy-efficient uPVC and Aluminium double glazing systems that reduce heat loss and noise pollution. Our products meet current building regulations and come with comprehensive guarantees. Customers benefit from improved home security and reduced energy bills through our thermally efficient window solutions.
Conservatories
Custom-built conservatories and orangery solutions tailored to individual property requirements. We offer full design consultation and installation services using durable materials that require minimal maintenance. Our structures provide year-round usable space with optimal thermal performance and natural light integration.
Bi-Fold Doors
Contemporary bi-fold door systems that create seamless transitions between indoor and outdoor spaces. Available in aluminium and uPVC with various finish options, our doors feature advanced security mechanisms and weatherproofing. Installation enhances property aesthetics while maintaining energy efficiency standards.
Roofline Products
Complete roofline solutions including fascias, soffits, guttering, and rainwater systems. Our maintenance-free uPVC components resist weather damage and discolouration. The integrated rainwater system with guttering, downpipes, and water butt promotes sustainable water management for residential properties.
Composite Doors
Thermally efficient composite doors combining durability with enhanced security features. Available in multiple designs and finishes, our doors incorporate multi-point locking systems and reinforced frames. Installation improves property insulation while offering long-term resistance to warping and weather damage.
Questions
What areas do you cover?
We operate throughout Sussex from our Burgess Hill showroom and manufacturing facility.
Do you offer free quotes?
Yes, we provide free, no-obligation quotes with flexible appointment scheduling options.
Are your products energy efficient?
All our double glazing systems meet current energy efficiency standards with optional A+ rated glass.
What guarantees do you offer?
We provide comprehensive product and installation guarantees ranging from 10-20 years.
Can I see products in person?
Our Burgess Hill showroom displays the full product range with expert demonstration available.
Do you handle planning permissions?
We advise on regulatory requirements and can assist with necessary documentation for installations.