Thermaframe

Thermaframe

Thermaframe has been providing expert glazing services across Kent and the South East since 1986, offering high-quality windows, doors and conservatories backed by personal service and local knowledge. What began as a family-run double glazing business has grown into a trusted, FENSA-registered name with thousands of happy homeowners and projects completed.

Thermaframe has been providing expert glazing services across Kent and the South East since 1986, offering high-quality windows, doors and conservatories backed by personal service and local knowledge. What began as a family-run double glazing business has grown into a trusted, FENSA-registered name with thousands of happy homeowners and projects completed.

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Quality Glazing Since 1986

Their Polhill Garden Centre showroom gives customers the chance to view sample frames, glazing options and finishes up close, with expert staff on hand to answer questions and arrange site visits.


Still independently run and proud of its roots, Thermaframe continues to focus on what matters most. Well-built products, reliable installation and lasting results.

Energy-Efficient Windows & Doors

Upgrade your home with stylish, high-performance windows and doors that help reduce heat loss.

Free Quotes & Home Consultations

Speak to the team in-store and arrange a no-obligation visit to discuss your project.

Fully Accredited Installers

Thermaframe is FENSA registered and offers insurance-backed guarantees on all installations.

Frequently Asked Questions

No, you’re welcome to pop in anytime during Polhill Garden Centre’s opening hours. The team are happy to help.
Yes. Thermaframe covers Sevenoaks, Kent, Surrey, and surrounding areas for all home glazing work.
Yes. All work is covered by an insurance-backed guarantee, and Thermaframe is a FENSA-registered installer. Ask in-store for more details.
Yes, in addition to standard double glazing, triple-glazed and enhanced security options are available.
You’ll find Thermaframe within the car park at Polhill Garden Centre.