Northstar Double Glazing — double glazed windows and doors, Melbourne

Bay Windows

Light, depth and a place to sit

A bay window projects beyond the wall line to create genuine depth in a room — extra floor space, a window seat, and daylight arriving from three directions instead of one. Bays are also one of the defining features of Melbourne's period housing stock, and replacing a tired timber bay with double glazed uPVC is one of the most transformative upgrades available. Each bay is drawn to the specific opening, with the angles, structural head detail and sill returns confirmed before anything is made.

uPVC Profile Accreditation for Windows and Doors logo

Profile accreditation

Northstar uses uPVC profile systems accredited under the uPVC Windows Alliance Industry Code of Practice.

The accreditation relates to profile performance and suitability for Australian conditions.

We can also supply selected uPVC window and door systems rated to Passive House standard.

White uPVC bay window on a rendered Melbourne home

Detail

What you get with bay windows.

Best suited to: Front-facing living rooms, period façades, dining nooks and kitchens.

  • Adds usable floor area and a natural window seat
  • Daylight and outlook from three directions
  • Fixed, awning, casement or tilt & turn sashes within the bay
  • Sympathetic replacement of period timber bays
  • Structural head and sill detailing confirmed on site
  • Colonial bar and timber sill options

Colours & finishes

Fourteen foil finishes, inside and out.

Fourteen bonded foil finishes. Frames can be specified differently inside and out — a dark woodgrain to the street with a clean white interior is the most requested combination in Melbourne.

Profile accreditation

Northstar uses uPVC profile systems accredited under the uPVC Windows Alliance Industry Code of Practice.

Northstar foil colour range for uPVC windows and doors, including white, cream, anthracite grey, black and woodgrain finishes
Printed colours are indicative only — physical samples are brought to your measure and quote appointment.

Frame profile

Northstar Window profile — cutaway corner sample of the uPVC frame section

Northstar Window profile

Multi-chambered 70mm uPVC profile with steel reinforcement where the hardware fixes and dual gaskets between sash and frame.

Security & standards

Multi-point locking as standard

Hardware that locks at several points around the frame rather than one, with toughened or laminated safety glass specified wherever the Australian Standards require it — and laminated available anywhere you want the extra security.

How the security works

Next step

Ready to talk windows and doors?

Tell us about the home and the project. We'll discuss what you're after, confirm the openings, and provide a clear written quotation.

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Windows & doors · Melbourne

Plans or photos (optional)

Plans, elevations, window schedules or photos of your existing openings. Images or PDF, up to 5 files, 10MB each.

Free measure & quote · No obligation

Builders & architects

Window and door packages for considered residential projects.

Working with builders, architects, designers and developers on new builds, renovations and replacement glazing across Melbourne. Get in touch to discuss project packages and trade arrangements.

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