Commercial, Architectural, Residential, Retail

Our promise to deliver value means that our high-quality commercial windows, doors and other specialised products bring a professional finish to any major construction project, without damaging the project budget.

Janus delivers quality glazing products for commercial and residential markets. We remove the hassle for our clients by providing an end-to-end solution from initial design consultation, to manufacturing and installation, our expert teams take care of it all.


With an established supply chain and negotiated preferred rates, we are able to offer high-grade products at a competitive price to ensure we deliver the best value.


Our team have over 30 years of experience in the manufacturing and installation of windows and doors for high volume commercial projects.


We pride ourselves on delivering an efficient service as we understand the burden delays
cause on project timelines and budgets.

Our Accreditations

Our accreditations include, ISO 9001:2015, Construction Line, FENSA and CHAS.

Janus will work with you to ensure that commercial glazing products will meet specifications set, with site surveys, design drawings and a full installation service.

We utilise the latest materials to provide innovative, sustainable, and high-quality architectural aluminium, PVCu, timber or composite glazing solutions across the UK.

Our technical team also work closely with architects, specifiers, developers and builders to design products and deliver them to any site ready for installation.

Message Us

Email, phone or message
for a free quotation

Call Us

+44 (0) 20 3597 5060


+44 (0)20 3597 5060
+44 (0)7801 981790
+44 (0)7956 202156


Office Location

Ensign House, Woodmansterne Lane, Carshalton, Surrey, SM5 4DH