Ertha Design

Ertha Design Ertha design is an architectural studio designing nature-inspired, healthy, energy efficient homes.

05/04/2026
Our latest project in River Heads, Hervey Bay is now underway, managed by an owner-builder who has chosen a steel frame ...
28/02/2026

Our latest project in River Heads, Hervey Bay is now underway, managed by an owner-builder who has chosen a steel frame system for its prefabricated efficiency and ease of assembly on site.

In Queensland, steel framing is a popular choice - especially for its durability and resistance to termites, though it does require careful detailing to manage condensation and minimise thermal bridging. When thoughtfully designed, it delivers a precise and robust home. Another positive is that steel is recyclable at end of life, offering sustainability benefits across the building lifecycle.

And in true qld style, the shed & deck will be finished first, ready for those well-earned arvo beers overlooking beautiful K'gari.

Our recently completed project in Frankston South is a true reflection of our clients’ personality and style — and we’re...
27/02/2026

Our recently completed project in Frankston South is a true reflection of our clients’ personality and style — and we’re proud to share it has also achieved recognition as a certified Passive House. Check out Luna loving her new dog door!

Construction is officially underway on this energy efficient project at Woodend, VIC , proudly being managed by an owner...
27/02/2026

Construction is officially underway on this energy efficient project at Woodend, VIC , proudly being managed by an owner-builder — something we’re always happy to support, as we regularly work alongside owner-builders to help bring their projects confidently to life.

Thanks to Nathan Groszman Constructions for bringing our design to life, congratulations on taking out Individual home f...
19/08/2025

Thanks to Nathan Groszman Constructions for bringing our design to life, congratulations on taking out Individual home from $1 million up to $1.5 milion at the 2025 Master builders awards. Proud to be a part of such an amazing team.

home house home design winning home

16/01/2025
23/12/2024
Our passive house project in Victoria has gone from slab to finished frame in just a few days thanks to the magic of SIP...
16/12/2024

Our passive house project in Victoria has gone from slab to finished frame in just a few days thanks to the magic of SIPs panels which are quick to install, precision perfect and offer a high level of insulation and airtightness to easily attain passive house certification. Roof to go on this week before being wrapped and sealed for weathertightness...

Our See street project in Bargara is shaping up beautifully with the perfectly crafted timber staircase going in today
16/08/2024

Our See street project in Bargara is shaping up beautifully with the perfectly crafted timber staircase going in today

Address

Sunshine Coast, QLD
4556

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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