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Karri Valley Retreat

Project overview

A retreat built into the floor of an ancient karri forest. The trunks frame every window, the canopy filters every ray of light, and the boundary between inside and outside is deliberately unclear.

Project
Karri Valley Retreat
Location
Pemberton, WA
Client
The Nguyen Family
Completion date
October 2025
project duration
20 Months
Status
Complete
Sector
Residential
Architect
Grounded
Living room with forest views and log burner
Living room
view of the tree canopy from the house deck
View from the deck
Warm wood kitchen with forest views
Kitchen
The Design thinking

Karri trees can live for three hundred years. Building in a karri forest is an act that requires humility — the trees were here long before and will be here long after. We designed accordingly.

The Challenge

The forest set the rules. No tree could be removed, no root system damaged, no sight line interrupted. The plan was determined by the trees, not by us.

The Approach

We mapped every trunk within thirty metres of the footprint and used those positions as the planning grid. The plan reads as glazed pavilions connected by walkways, positioned in the gaps between trees, elevated above the forest floor.

The Solution

Raw karri timber, blackened steel, and full-height glazing on all forest-facing sides. From inside, the karri trunks are part of every room. At dusk, warm light reflects off pale bark and the boundary between inside and outside dissolves. A building that belongs to the forest.

Concept > Complete

Twenty months including six weeks on site establishing the tree protection zones before any earthworks began. Every post was hand-dug to avoid root damage. The elevated walkways were assembled from pre-fabricated sections to minimise ground disturbance. The karri timber used throughout the interior was salvaged from a fallen tree on the property — milled on site and dried for four months before installation.

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
Living well
2023
Monocle
Featured
Architecture & design
2025
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