Choose your sector


Our accredited network of installers offers the highest quality uPVC and aluminium products with excellent customer service.

Trade Customer

Access our latest technical information, product content, video archives, media centre, Sternfenster Plus and much more.

Find An Installer


Exquisite and unique graf-welded uPVC windows and doors exclusively from Sternfenster.

StyleLine Windows

Unique StyleLine windows.

Read More

StyleLine Doors

Unique StyleLine doors.

Read More