All our building design projects are customized and never rely on existing plans. Our clients are involved in the building design process which gives that personal touch to each building designs we deliver. Browse our building design design, home renovation and home extension projects bellow.

Narrow Lot Design

Read more about our

Narrow Lot Design - Ashgrove

With Hampton style facade and grand street presence this two storey home makes the most of the small 455 m2 block and comes with plenty of features. The owners wanted to demolish and...

View details

Prestigious waterfro...

Read more about our
Raby Bay

Prestigious waterfront design in Raby Bay - Raby Bay

Check out our prestigious waterfront home design, construction just completed. Call KosCAD to talk to us about your dream home design.

This design is focused on the family where the living, dining...

View details

New 3 level design o...

Read more about our

New 3 level design on the bayside -

This lovely 3 storey house is an eye catcher. Not only has it been constructed on a sloping block, the 2nd level has been built with a suspended concrete slab. 


View details

Modern design on the...

Read more about our

Modern design on the bayside - Ormiston

If you are dreaming of large deck spaces and a seamless connection between indoor and outdoor living spaces this style of home is perfect for you. This custom home features...

View details

Riverfront design

Read more about our

Riverfront design - Bulimba

Talk about a show stopper! This 3 storey riverside property comes complete with everything you could ever want including a below ground level basement/garage. They say a picture is worth...

View details

Bayside home design

Read more about our

Bayside home design - Manly

This magnificent Custom Built Home is the epitome of Luxury and Lifestyle. Spread over 3 fantastically designed floors this home has 4 bedrooms (Master with Ensuite and His & Hers...

View details

New home design

Read more about our
Holland Park

New home design - Holland Park

2013 HIA award winning home should state it all. Built on a sloping site, this 4 bedroom 3 bathrooms home is finished with the best selection of materials available.


View details

Modern building desi...

Read more about our
New home design

Modern building design in Wynnum - New home design

The fundamentals of the design brief were achieved by creating a large functional open plan home with separate living, kids bedrooms and master zones in three distinctive modern pavilions. 

View details
1 2 3

Get prepared

Be inspired

Book a consultation


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...

Read all topics