Why Charlie’s Windows Is London’s Heritage Glazing Expert

Charlie’s Windows has been London’s trusted name in heritage glazing since 2013.

We serve Westminster, Kensington and Chelsea and surrounding areas with expert solutions tailored to historic properties and demanding projects.

We manage every stage from survey to aftercare so your window project is smooth and stress free.

One expert partner from start to finish.

We simplify the glazing process. You get a single point of contact managing all aspects of your project.

That includes vetted manufacturing partners, planning support, heritage compliance and installation.

We make sure your project runs efficiently and meets your expectations.

Heritage compliance as standard.

We specialise in listed building consent and navigating conservation area requirements.

Whether you need timber sash restoration or modern ultra thin glazing, we align your project with heritage regulations while improving comfort and energy efficiency.

Solutions that perform.

Our services include timber sash and casement windows, secondary glazing, modern aluminium and uPVC systems and upgrades like vacuum glazing.

We combine architectural authenticity with modern performance to deliver comfort, efficiency and noise reduction without compromising style.

Vacuum glazing delivers up to 75% better thermal performance than double glazing and around 40% better than triple glazing, reduces external noise by up to 30% more than double glazing while matching or exceeding triple and blocks up to 99% of UV rays compared with 60–80% from double or triple units, all within a 6–9 mm slim profile that suits heritage and listed buildings.

Support for commercial and institutional projects

We work with architects, managing agents, developers and institutions.

Our services include condition surveys, planning drawings, procurement management and project oversight.

We ensure your project stays on time, on budget and fully compliant with heritage requirements.

Exceptional value through trusted supply chains.

We coordinate with vetted manufacturers who meet our standards for quality and reliability.

This means you get exceptional products without premium markups.

Our expertise in supply chains ensures reliability, performance and long term value.

Real examples of client success.

“We brought Charlie’s Windows in for advice on a complex listed scheme. Their expertise in glazing systems and conservation constraints saved us considerable time and rework.”

-London Architect

Charlie’s Windows delivers results you can trust. We make complex projects simple and ensure your property retains its character while benefiting from modern performance.