Business Details
Trusted Double Glazing Solutions in Kent
Thermaframe Windows is a trusted double glazing specialist serving Kent and surrounding areas since the 1980s. Our team of certified professionals delivers high-quality uPVC windows, composite doors, conservatories, and roofline products designed to enhance energy efficiency, security, and aesthetic appeal. With over 1,000 installations completed and recognition as award-winning installers, we combine decades of experience with market-leading products from the VEKA Halo range. Our British Board of Agrment-approved solutions achieve A+ energy ratings, ensuring thermal efficiency and durability.Headquartered in Sidcup, we serve Sevenoaks, Tonbridge, Tunbridge Wells, and beyond, offering bespoke installations tailored to modern and traditional properties. Our commitment to competitive pricing, rapid turnaround times, and customer satisfaction has solidified our reputation as a reliable partner for home improvements. We prioritise transparency, using premium materials that maintain performance and aesthetics over decades. Our showroom in Sevenoaks provides hands-on exploration of our product range, supported by expert guidance to ensure optimal choices for every project.
Services
uPVC Windows
Composite Doors
Conservatories
Aluminium Windows
Conservatory Roofs
Roofline Products
Plantation Shutters
Wooden Windows
Heritage Windows
BiFold Doors
Highlights and features
- We have over 40 years of experience in double glazing installations.
- Our products are British Board of Agrment approved.
- We offer competitive pricing across all our double glazing products.
- Our certified installers ensure professional and reliable service.
- We provide quick and stress-free installations.
Associations and certifications
- British Board of Agrment
Services
uPVC Windows
Our A+ energy-rated uPVC windows combine thermal efficiency with robust security features. Engineered using VEKA Halo profiles, they reduce heat loss while maintaining aesthetic appeal for modern and traditional homes. Backed by British Board of Agrment approval, these windows ensure long-term durability and minimal maintenance.
Composite Doors
Enhance security and curb appeal with our composite doors featuring multi-point locking systems and insulated cores. Available in custom colours and finishes, they integrate seamlessly with uPVC or wooden window frames while maintaining energy efficiency and weather resistance.
Conservatories
Create versatile living spaces with thermally efficient conservatories in Edwardian, Victorian, or bespoke designs. Our structures use insulated frames and high-performance glazing to ensure year-round comfort, increasing property value and usable space without requiring major renovations.
Aluminium Windows
Sleek aluminium windows offer slim profiles and superior strength while maintaining energy efficiency. Ideal for contemporary properties, these low-maintenance windows resist corrosion and provide excellent thermal performance through advanced glazing technology.
Conservatory Roofs
Upgrade existing conservatories with insulated tiled or solid roofs to improve temperature regulation. Our solutions eliminate overheating in summer and heat loss in winter, transforming conservatories into comfortable, all-season living areas with enhanced acoustic insulation.
Questions
What areas do you serve?
We operate across Kent, Surrey, and surrounding areas including Sevenoaks, Tonbridge, Tunbridge Wells, and London.
Are your products energy efficient?
Yes, our uPVC and aluminium windows achieve A+ energy ratings, enhancing thermal efficiency and reducing heating costs.
Do you offer bespoke conservatory designs?
We provide custom conservatories in Edwardian, Victorian, Lean-to, and P-shaped styles tailored to your property's specifications.
Are your installers certified?
Our team consists of accredited professionals with decades of experience in double glazing installations.
Do I need planning permission for a conservatory?
Most conservatories fall under permitted development, but we recommend checking with Sevenoaks District Council for specific guidelines.
How can I get a quote?
Request a free online quote instantly through our website or contact us directly for personalised assistance.
Videos
