Business Details
Your Trusted Double Glazing Specialist in Kent
Thermaframe Conservatories is a trusted specialist in double glazing solutions, serving Kent and surrounding areas since the 1980s. As a sister company of Sutton Windows, we combine decades of craftsmanship with innovative technology to deliver high-quality uPVC windows, doors, conservatories, and roofline products. Our team of certified professionals prioritises energy efficiency, security, and design excellence, ensuring every installation meets British Board of Agrment standards. With showrooms in Sevenoaks and a commitment to competitive pricing, we provide tailored solutions for both modern and traditional homes. Our dedication to customer satisfaction is reflected in our 1,000+ installations and market-leading VEKA Halo profile systems.We maintain transparency through clear communication, offering free online quotes and expert advice. Our thermally efficient products, including A+ rated windows and bespoke conservatories, enhance home comfort while reducing energy costs. Backed by industry accreditations and a reputation for reliability, we serve residential clients across Kent, Surrey, and East Sussex. Our focus on durability and low-maintenance materials ensures long-term performance, and our customer-centric approach includes post-installation support. Whether upgrading for security, insulation, or aesthetics, homeowners benefit from our local expertise and commitment to quality.
Services
uPVC Windows
Composite Doors
Conservatories
Roofline Products
Plantation Shutters
Highlights and features
- Certified workforce installing British Board of Agrment approved products
- Competitive pricing across all double glazing solutions
- Efficient installations with minimal disruption
- Market-leading VEKA Halo profile systems for superior energy ratings
- 40+ years serving Kent homes with tailored glazing solutions
Associations and certifications
- British Board of Agrment
Services
uPVC Windows
Our uPVC windows combine thermal efficiency with security, featuring A+ energy ratings and multi-point locking systems. Available in casement, tilt-and-turn, and heritage designs, they suit both modern and traditional properties. Customisable colours and finishes ensure seamless integration with your home's aesthetic.
Composite Doors
Engineered composite doors offer enhanced security and insulation, with durable GRP skins resistant to fading and warping. Choose from contemporary styles with multi-locking systems or traditional designs featuring decorative glass panels. All installations meet British safety standards.
Conservatories
Bespoke conservatories create year-round living spaces using thermally efficient frames and insulated roofs. Available in Edwardian, Victorian, and lean-to styles, they feature low-E glass and secure locking systems. Custom options include decorative crestings and RAL colour-matched finishes.
Roofline Products
Durable uPVC roofline systems include fascias, soffits, and guttering with 25-year guarantees. Seamless designs prevent water ingress while maintaining aesthetic appeal. Available in white or woodgrain finishes to complement existing property features.
Plantation Shutters
Made-to-measure plantation shutters provide light control and insulation using high-quality PVC or hardwood. Available in full-height, caf, and tier-on-tier styles with adjustable louvres. Enhance privacy while adding a premium finish to windows and doors.
Questions
What areas do you cover?
We serve Sevenoaks, Tonbridge, Tunbridge Wells, and all Kent, Surrey, and East Sussex postcodes.
Do you offer free quotes?
Yes, use our online quoting engine for instant, no-obligation prices for windows, doors, and conservatories.
Are your products energy efficient?
All windows and doors achieve A+ energy ratings using the VEKA Halo thermal efficiency system.
What accreditations do you hold?
We install British Board of Agrément approved products with certified workforce members.
How long does installation take?
Most installations complete within 2-5 working days depending on project size and complexity.
Do you have a showroom?
Yes, visit our Sevenoaks showroom at Polhill Garden Centre for product demonstrations.
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