About Us

steel design is an Australian leading hot-rolled steel frame window and door manufacturer.

Our custom manufacturing department is made available wholesale trade direcT and requires a minimum size order. Our standard range is available public direct, with no minimum order size.

After introducing our W20 range over a decade ago it still stands as the most successful single glazed steel frame system in Australia. As the original and most experienced W20 steel frame Fabricators in the country, this range is now replicated by many, yet perfected by no others.

Our latest W40 range has also set a new industry benchmark as the highest performance double or triple glazed steel frame window and door system on the market.

We believe in using only the highest quality environmentally friendly materials. All steel is 100% recycled and precision hot-rolled in Switzerland specifically for SteelDesign. All hardware, fittings & Parts are of superior quality, solid brass or marine grade stainless steel.

Product longevity and maintenance-free operation are enhanced through Corrosion protection after fabrication, followed by a thermosetting powder coating for a uniform, durable, high quality environmentally safe and attractive finish. Our windows and doors have an expected good working lifespan of 140+ years.

our roots in steel frame window & door fabrication extend back to 1931. No others in the Australian industry have more experience and specialist know-how than we do. producing a superior product, a larger range & more options, at a better price, is why we are the market leader.

For custom designs, By choosing steel design you can take advantage of more consistent lead times, plus a guaranteed full stock of Australia's largest range of special steel window and door profiles. To take advantage of lower costs & lead time, we offer the world's largest standard range of steel frame windows & doors. 

Whether it's a large heritage restoration or a new build, commercial, residential, large or small scale, we offer a better looking, Performing, more secure, & longer-lasting product. We look forward to adding to the beauty & value of your project.