KDE designs and builds individual residences and boutique medium density projects. Our practice focuses on environmental sustainability through the use of forward thinking materials and processes to promote effective, comfortable and economical living. 

To ensure that we deliver an exceptional standard of work and professionalism, KDE draws from a pool of highly skilled professionals and suppliers, as well as our own dedicated staff and trades people. The number of projects we undertake is kept to a minimum to ensure due care and attention is paid and the highest quality outcomes are achieved.   

KDE believes in a collaborative design process between company and client. By working with our clients, forming relationships and understanding their lifestyles, we can respond with a bespoke design and singular space. 


We believe that our commitment to sustainability is what differentiates us. These are just some of the ways we can build you a more comfortable and efficient home

– House orientation
– Window type and placement
– State-of-the-art insulation techniques
– Effective internal climate control
– Use of high thermal building materials


01 Initial consultation
02 Client brief and requirements
03 Quotation and cost planning
04 Building documentation
05 Permit acquisition
06 Contract signing
07 Construction


47 Bruhn Circuit, Kellyville
2155, NSW Australia


+61 (0) 2 8850 0081