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.


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.


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.

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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.

From Karen's Blog

Is it Wednesday already?

By Karen | November 20, 2012

If I were being paid by someone else to work, I guess I would be working during the day, sewing in the evening, taking Friday off work and saying “no” more often. But I’m not, so I’ll enjoy the opportunity to participate in family life and squeeze the work into the edges.

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By Karen | November 16, 2012

Doesn’t Shouldn’t really apply when you work at home, but I do tend to put away the pressure to work on the weekend, and Friday does have a different, more relaxed quality too. This morning’s task was sorting out backups.  The good thing that has come out of the hacker kerfuffle was getting a much better understanding of what goes…

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celebrating the small successes

By Karen | November 15, 2012

Hooray!  I went and knocked on 5 whole doors yesterday.  I left my business card with 4 of them.  (Hi! if you’re one of them). Melbourne Forum was quite good, the speakers talked about projects I’ve heard of before, but that have now adopted the One Planet Living framework to talk about their sustainability credentials. Mike Hill talked about Westwyck. …

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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.