About Us

Quality Assured

Full Product Range

Great Value

Fast and Reliable

Experienced Team

Commercial, Architectural, Residential, Retail

With 30 years of experience in commercial, infrastructure and residential glazing, Janus is a name you can trust to deliver your projects and contracts, large or small, from start to finish.

We supply and fit a comprehensive range of windows, doors, conservatories, curtain walling and other specialist products.

Partnering only with industry leading systems manufacturers in PVC, Aluminium and Timber, we have the right products and design solutions for all situations and budgets.

Our design, production and fitting teams, are experienced professionals, guaranteeing that your project is in the right hands.

End-to-end project management

There are many important factors to consider when selecting contractors and finding one that provides a complete service can be difficult. We believe in a service that gives our customers total trust in our ability to deliver a seamless, quality service from design to installation. We achieve this through:

• Proven quality of work
• The skillsets of staff
• On-time delivery
• Full support services
• High quality sustainable materials
• Excellent project management
• Maintenance and after care

Our standard of work today is as high today as it has ever been and our quality procedures and project management services are second to none. If you would like to discuss a forthcoming project, please do not hesitate to contact us.

Our Accreditations

Our accreditations include, ISO 9001:2015, Construction Line,



The environment is important to us

Janus Commercial Contracts is fully committed to reducing our impact on the environment. We also encourage our suppliers and clients to do as much as they can to minimise waste and reduce their carbon footprint.

Our recycling promise
• We always use sustainable building materials where possible.
• All PVCu is lead free and thermoplastic – 100% of the PVCu we remove is recycled.
• Encourage use of aluminium – which has average recycling rate of 95%
• All timber we use comes from sustainable sources.
• We recycle all aluminium, PVCu, timber and glass.
• We have a Waste Carriers License – to dispose and recycle waste.

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