About us

We at Koscad specialize in building design for unique, quality residential houses and multi-residential developments and have completed numerous new home design, multi-residential design, renovation and extension projects from Brisbane to Gold Coast since 1995.

We are committed to excellence in modern, innovative design that provides a warm, light filled contemporary space, homes with an emphasis on texture and natural materials. Our design projects reflect an interest in modern living and a desire to connect our clients to the beauty of the surrounding natural environment. 

Our team offers a full range of design skills including interior design. Completing our projects in a timely manner and to the highest standard is our priority. 

We value a good relationship, taking time with our clients to clearly understand their vision for their future home. 

KosCAD is a member of the Building Designers Association Queensland

Building designer Brisbane South - Koscad


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KosCAD Co.

47. Reuben St. Cornubia 4130

07 3806 0800


Kelie Savage Camp Hill
We are very happy with the work Otto has done for us in the design for townhouses. He is very easy to deal with, open to our suggestions and very happy to listen to our requests and explain why he...

Planning your new home`s building design, renovating or extending your house is not just challenging, but also brings up a lot of questions about regulations, permits, town planning. Have a browse through our topics or type your question topic in the Search box and see what you find. If you can`t find the answer for you question, click on the orange button.

Questions & answers

What are the advantages and disadvantages of steel and timber frame?

There are many misconceptions about choosing steel or timber structure, such as steel structures are noisier than timber. However, with the refinement of the newer steel structures, there is a less noticeable difference.

Advantages of building with timber.

Slightly less expensive then steel frame Easier to work with Easier to fix errors on site Can be treated for termites. Timber has better a thermal transfer rate when comparing a house using similar building insulation (timber frame will keep your home cooler) Easy to install hooks and brackets off walls in the future

Advantages of building with Steel.

Termite resistance (keep in mind that using steel structure does not protect 100% of your home. Proper termite protection system should still be used to protect other items in your home (timber flooring, cabinetry, etc.) More accurate

It is also important to note that timber is a more environmentally friendly solution as the...

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