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.

Engineered Insulated Glass Units for Optimal Performance

SlimLite™ technology destroys the problem of heat loss through layers of pure innovation. By replacing the void between glass panes with a high-density inert gas, we create an impenetrable barrier against the cold. This halts heat transfer in its tracks, locking warmth inside during winter and repelling solar gain during the summer months.

The hermetic seal on every pane ensures each insulated unit maintains its thermal dominance for its entire lifespan. This engineering feat slashes heating bills and energy drain compared to primitive single-pane setups, while simultaneously providing a formidable acoustic shield against external noise.

 

Pioneering Thermal Performance Through Innovative Engineering

SlimLite’s double glazing is a masterclass in precision engineering married to heritage soul. Our sealed unit architecture kills heat transfer between panes while ensuring natural light floods the interior. By harnessing inert gas fills within the air gap, we reduce thermal conductivity to a fraction of that found in single glazing. This technology delivers world-class thermal performance, forcing energy consumption down without ever insulting the appearance of a conservation property.

  • Advanced spacer systems halt edge-bond heat transfer

  • High-density inert gas fills provide elite thermal armour

  • Minimalist sightlines protect the property’s heritage soul

  • Provides a formidable barrier against noise pollution

tilt and turn windows

Sustainable Solutions for Window Frames and Glazing

SlimLite™ glass units integrate flawlessly into original timber sashes and historic frames, making them the only legitimate replacement choice for listed buildings.

Every unit we craft incorporates advanced spacer technology that stops heat escape at the glass edge. Whether you are specifying for new builds or upgrading irreplaceable original windows, our technology ensures maximum thermal protection without the clumsy, modern bulk of standard double glazing systems.

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

Find technical answers to common queries about double glazing technology, thermal performance specifications, and how our systems compare to single glazing and triple glazing solutions.