The Heritage Glazing Authority

We invented ultra-thin double glazing for listed buildings.

Complete Conservation Service

From planning applications to final installation, we're with you.

Unmatched Certification Standards

One of only two UK companies holding full BS EN 1279 Parts 1-6 certification.

Authentic Slim Sightlines

Preserve architectural integrity with 6mm sightlines – the slimmest available.

Protecting the Past and the Future

We believe environmental responsibility is a core principle, not an afterthought. Our SlimLite™ and vacuum glazing units are designed for longevity and minimal maintenance, vastly outperforming traditional single glazing.

A product that lasts longer is inherently more sustainable. Our materials are selected for their durability and end-of-life recyclability. With professional installation, we ensure your property operates at peak efficiency from the very first day.

Eco-Friendly Heritage Glazing for Period Properties

Sustainable glazing allows us to lower your carbon footprint without altering the architectural soul of a listed building. Our units significantly reduce emissions and energy bills while maintaining every ounce of architectural integrity. This is where heritage craftsmanship meets modern environmental science.

  • Substantial carbon reduction through elite insulation

  • Dramatically cuts energy waste and consumption

  • Reduces the demand on heating systems year-round

  • Superior sound dampening to reduce noise pollution

  • Vastly outperforms single-pane glass environmental impact

laptop looking at energy

Cutting Costs and Carbon

Our glazing creates a thermal fortress, meaning your property requires far less energy to stay warm. With U-values starting from 1.2W/m²K, our Krypton units outperform old windows by a wide margin.

This isn’t just a marginal gain; it is a genuine transformation in energy savings, keeping your home comfortable in every season while reducing your reliance on the grid.

Request Your Technical Quote

Contact our knowledgeable team today to discuss specifications, performance requirements, and obtain competitive pricing for your project.

"Great service along with a quality product, also the best advice on the different types of the slimlite range."

Martin

via Trustpilot

"Great high quality product, does exactly what it is supposed to i.e. significant improvement in thermal insulation and noise reduction. I had an issue with the order which was immediately resolved. Would thoroughly recommend."

Duncan

via Trustpilot

"Experts in their field, a well run family business. Pleasure to deal with. Good communicators and they produce a quality product."

James Sunderland

via Trustpilot

Frequently Asked Questions

We've answered common questions about sustainable double glazing to help you understand the environmental and performance benefits for heritage properties.