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Toowong Renovation Residential Home by Dion Seminara

Toowong Renovation Residential Home by Dion Seminara is a highly esteemed winner of the very prestigious 2021 Bronze A' Design Award in Architecture, Building and Structure Design Competition Category.


BronzeArchitecture· 2021

Toowong Renovation Residential Home

by Dion Seminara

Client: Dion Seminara Architecture

Bronze A' Design Award Winner in Architecture Category

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Verified Award Winner

Verify Award Status for #110794

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The Design

About Toowong Renovation Residential Home

This Toowong Renovation started with the main goal of making the most out of a sloping block. From there, design ideas and opportunities for the home, which would not have been previously possible on a flat property, were brought to light. The use of curved and natural forms were present in the central design, which then softens the hardscape surface and outdoor structure to create flow. All of this created a flow from the indoor to the outdoors of the home and reduced challenges the home faced including heat, restricted airflow, and natural light.

The Recognition

About the Bronze A' Design Award

Toowong Renovation Residential Home is a Bronze A' Design Award winner, a highly prestigious recognition granted to outstanding designs distinguished by creativity, ingenuity, and astuteness. Bronze winners are amply skillful and strikingly creative artifacts that authenticate the vast experience, imagination, and resourcefulness of their designers. Toowong Renovation Residential Home is expected to be a highly regarded, admired, and cherished object that is notably professional and innovative. This Bronze A' Design Award-winning design incorporates best practices in art, science, design, and technology, and is excellent for its attention to detail. Toowong Renovation Residential Home splendidly satisfies needs, touches desires, charms feelings, and appeals to curiosity.

Interviews

Grand Interview

Your innovative approach to the Toowong Renovation Residential Home's rainforest pond and green roof integration has garnered significant attention - could you elaborate on how these elements contribute to creating a self-sustained ecosystem within an urban setting?

The rainforest pond was central to the idea of turning the home into a small urban sanctuary. Rather than treating landscape as something separate from the architecture, we wanted it to become part of how the house performs and feels.The rainforest pond brings water, planting, humidity, movement and sound into the centre of the home, creating a cooling and calming microclimate. It is also enclosed to help keep leaves and debris out, reducing maintenance and allowing the water landscape to remain clean, calm and functional within the home. The documentation shows the pond was carefully detailed with sub-surface boulders, overflow outlets connected to stormwater, waterproofing, drainage layers and a planting depth requirement, so it was not simply decorative — it was designed as a functioning water landscape.Together, the pond, planting and shaded outdoor spaces help create a more self-contained ecosystem within a dense urban setting, one that supports cooling, biodiversity, stormwater management and a strong emotional connection to nature.

The curved and natural forms in the Toowong Renovation Residential Home create a remarkable flow between indoor and outdoor spaces - what inspired your decision to prioritize these organic shapes, and how do they specifically address the challenges of heat, restricted airflow, and natural light?

The curved forms came from the site itself. This was not a flat, simple block. It had a strong slope, mature trees, existing levels and quite a complex relationship between the original Queenslander, the pool, the courtyard and the gardens.Rather than forcing a rigid geometry onto the site, the design uses curves to guide movement naturally through the house and landscape. The curved stair, curved pool edge, curved garden walls and screened forms help create a softer flow between indoor and outdoor spaces.From a climate point of view, the curves also help avoid hard, enclosed spaces. They allow the courtyard to breathe, create shaded edges, and encourage air movement through the outdoor rooms. High-level glazing, shutters, ceiling fans and openable screened areas then support that passive cooling strategy. The drawings specifically identify high-level motorised shutters and high-level shutters above beams, showing that air and heat control were considered as part of the architectural system, not as an afterthought. So the organic forms were both aesthetic and practical. They helped the house feel calmer, more natural and more connected to the landscape, while also improving comfort in Brisbane’s climate.

The floating landscape concrete stairs over the rainforest pond at the Toowong Renovation Residential Home present an ambitious architectural feature - could you walk us through the technical challenges and creative solutions involved in successfully executing this striking design element?

The floating stair was one of the most ambitious parts of the project because it had to work on several levels at once. It was a circulation element, a sculptural feature, and part of the landscape experience.The challenge was that it sat within a very layered courtyard environment, with the rainforest pond, planting, level changes, pool area and screened structures all around it. Technically, the stair needed to feel light and floating, but it still had to be structurally resolved, safe, durable and coordinated with drainage, waterproofing and the pond system.The creative solution was to treat the stair as part of the landscape rather than just a conventional stair. It becomes a journey through the garden, almost like stepping stones over water and planting. The sections show how the courtyard, green roof, existing house, laundry/hall area and rainforest pond were all coordinated through the level changes. The success of this element is that it turns a practical problem, moving between levels, into one of the most memorable experiences of the home.

Read the Full Interview

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties
This home renovation's concept was to make the most out of the sloping block of which the house was situated on, this created new design ideas and opportunities for the home which would not be possible on a flat property. This included the use of curved, rounded and natural forms can soften the hardscape surface and outdoor structure to create a seamless flow from the home into the landscape which reduced challenges the home faced including heat, restricted airflow and natural light.
Dimensions & Packaging
The rainforest pond is an Aquascape Ecosystem pond that is low-maintenance self-sustained based with the natural balance of circulation, filtration, plants, fish, rocks and gravel. The pond itself is in an organic shape approximately 9m x 9.7m and 600mm deep. The top of the waterfall feature will form part of the biological filtration system utilising a biofalls 2500 filtration system to be run 24/7.
Tags
Renovation, Residential Home, Residential House, Home Renovation,
Production Technology
The client likes their existing recycled silky oak kitchen and they also want to create a lot of garden to enjoy during their retirement years. We have incorporated a number of landscaping elements including green roofs, rainforest pond and veggie pavilion into the design. We decided to use plain off-form concrete, natural sandstone cladding and large recycled timber beams to highlight the landscape elements. We also added in a lot of motorised high-level windows and shutters to allow ventilation but limiting western sun.
Design Challenge
The entire covered external space from the pool area to the courtyard rainforest pond is the feature of this home. The floating landscape concrete stairs over the rainforest pond hanging off the green roof above as well as the organic form of the landscaping elements was definitely a challenge in detail design. Also, the selection of materials on the different element that needs to be complementary without competing with each other.
Inspiration
The inspiration for this project was to future proof the home for the clients. It's important that the clients receive and understand the design for their home is personalised and tailored for their lifestyle wants and needs. Including age, location, interests, they all lead towards this final design.
Project Duration
The project started in November 2018 and finished in Feburary 2020 in Brisbane.
Team Members
Dion Seminara: Principal Architect
Wai Lam (Albe) Pang: Project Lead

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