About Us
Sustainability Consulting
We are a small consultancy located in Richmond.
We offer advice and support to clients in developing economical, sustainable buildings.
We specialise in…
Green Star
After 15 years of using the Green Star tools, we are experts.We work with project teams and building owners to develop economical and marketable buildings with high sustainability values.
NABERS
Karen Hovenga is a certified NABERS and CBD assessor. We prepare energy audits of Offices and Hotels using NABERS. We can also provide Building Energy Efficiency Certificates (BEEC) for buildings and tenancies to be sold or leased.
BESS
We prepare Sustainability Management Plans for Town Planning submissions. Our focus is on identifying common construction practise and suggesting minor changes to achieve high sustainability outcomes with a minimum of effort or cost.

Karen Hovenga
Karen Hovenga, the principal of Karen Hovenga, Sustainability Consulting, is a mechanical engineer with more than 15 years experience. Karen is a NABERS Assessor, GreenStar Accredited Professional and Green Star Assessor.
Learn moreFrom Karen’s Blog
Sustainable Transport
We use bicycles to attend meetings and site visits. When longer distances are traveled we will use public transport to supplement the bike.
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