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Heath house wide view with sea and green landscape

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The Heath House

Original sketch of building nested into the hillside
Project overview

Built into the coastal heath above Smiths Beach, this house is invisible from every direction but one. From the hillside, it disappears. From the ocean, it opens entirely.

Project
The Heath House
Location
Smiths Beach, WA
Client
Anna & Tom
Completion date
January 2026
project duration
20 Months
Status
Complete
Sector
Residential
Architect
Grounded
Floor plan for heath house
Wide angle view of top entrance to heath house
All way along hillside and warm lighting.
Hallway
Expansive double story living room with sea view
Living Room
Outside swimming pool with sea view
Pool with a view
The Design thinking

The Yallingup coastline is one of the most ecologically sensitive and visually extraordinary places in Western Australia. The only appropriate response was a building that earns its position in that landscape by being as invisible as possible.

The Challenge

The site sits on a protected coastal hillside with sensitive ecology and considerable planning constraints. More importantly, the moral imperative was clear — a building that scarred this hillside would have been a failure, however beautiful.

The Approach

We cut the building into the slope rather than sitting on top of it. Dark rammed earth walls disappear into the scrub. A living roof planted with coastal heath makes the building invisible from above. Only the ocean-facing facade opens, in full-height glazing.

The Solution

Dark rammed earth and charcoal-rendered masonry disappear into the shadow of the heath. A living roof belongs to the hillside above it. Floor-to-ceiling glazing frames the ocean and scrubland in a single plane. From the beach, you can just make out a thin line of reflected light. That's the house.

Detail focused frame of modern building with concrete walls and green heath on the roof
Sky light poking through the heath landscape to show how hidden the house is from on top of the hill.
wide angle of heath house at sunset with rooms lit up with warm lighting.
Concept > Complete

Twenty months, including six months of ecological assessment before construction began. The living roof substrate was specified with a botanist to naturalise into the surrounding heath within three to five years. Materials were brought to site via a single access track to minimise disturbance — rehabilitated and replanted on completion.

Client Perspective

“Working with the studio felt less like hiring an architect and more like finding someone who understood what we were trying to say, before we even knew how to say it.”

James + Sarah M.
Private Residential,
Yallingup WA
RECOGNITION
Featured
Design & architecture
2022
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Shortlisted
House of the year
2023
Houses Magazine
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