Kingfisher House GC

Kombumerri clan of the Yugambeh people,
Currumbin Waters,
QLD
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About this home

This home was created on residential land in an established suburb for owners wanting a more sustainable lifestyle while showing that luxury homes can also be sustainable.

Project details can be seen here: https://youtu.be/l5amTUcY0vw
. This video was prepared in 2021 for Sustainable House Day and Gold Coast Open House and remains mostly valid today.

The design began with master planning to increase the site’s density and productivity, including edible gardens and the option of a future market stall.

The original termite-damaged home was uninsulated, and a garage to the north blocked morning sun. The new home, built over the bones of the original, is designed for extended family living in a co-housing style. Two pavilions arranged around a central courtyard create a balance of privacy and shared space for family or friends.

A renovated granny flat, completed in 2024, adds further flexibility for growing children, ageing parents or friends. A future caretaker’s residence was also proposed.

The home responds to the local climate through passive solar design, welcoming morning sun and breezes while blocking western sun. Thermal mass is provided by the original concrete slab. It is well insulated, tightly sealed and double glazed, with provision for hydronic heating, solar PV, battery storage, EV charging, ceiling fans, mechanical ventilation and efficient air conditioning.

The central courtyard helps regulate temperature, supports outdoor living in poor weather, and improves cross ventilation.

Design by ptma Architecture www.ptma.au
Photos: Scott Burrows Photographer
Film: Nikolas Strugar (Ravens at Odds)

Q & A

What motivated you to build or retrofit sustainably?
Our clients were determined to show that luxury homes on the Gold Coast could be more sustainable than industry standard. We enjoyed collaborating with them - as improving sustainability is one of our main focuses in our design business.
Creating a master plan with our clients from the outset - so we (and they) had a clear goal to work towards through the project. Having a clear sense that we were working together towards that outcome through the project.
The original concept included for a header tank on a stand, with little deck for camping out, down below. It was not critical to the design, but felt like a lovely addition for connecting to the site.
Type: Cohousing, Secondary dwelling, Standalone house/townhouse
Project: New build
Architect: ptma Architecture (Peter McArdle + Teresa Wuersching)
Designer: Peter McArdle + Teresa Wuersching
Size: 520m²
Energy Rating: 9.1
Bedrooms: 5+
Bathrooms: 3

Sustainability Features

Building Materials & Envelope

Draught-proofing/air sealing
High-performance insulation
Double or triple-glazed windows
Sustainable or low-impact materials
Recycled or reused materials
Other

Heating, Cooling and Ventilation

Passive heating/cooling (north-facing glazing, cross ventilation, thermal mass, shading, etc.)
Ceiling fans
Heat pump (reverse-cycle) heating/cooling
Heat pump-powered hydronic heating
Mechanical ventilation with heat recovery (MVHR) system

Energy and Appliances

Rooftop solar PV
Battery storage
Dedicated wall-mounted EV charging
Energy monitoring/smart home systems
Efficient lighting (LED, daylighting, solar skylights)
Heat pump hot water
Electric cooktop - induction/ceramic
Other energy-efficient appliances

Water & Waste Systems

Water-efficient fixtures
Rainwater tanks

Landscape & Biodiversity

Native garden
Edible garden
Beehives
Wildlife-supporting habitat

Climate Resilience

Flood
Bushfire
Cyclone/storm
Heatwave

Accessible & Flexible Design Features

Design for flexible use
Design for multigenerational living or dual occupancy
Universal design for accessibility
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