Warm minimalist residence exterior — placeholder, replace with KASA photography
Limestone architectural exterior detail — placeholder, replace with KASA photography
Warm timber and stone material detail — placeholder, replace with KASA photography
Sculptural stone staircase — placeholder, replace with KASA photography

KASA — Interior Architecture & Design

Interior Architecture
for Timeless Living.

Materiality

Limestone. Travertine.
Bronze. Light.

Craftsmanship

Every material
has purpose.

Sydney & Beyond

Homes designed
to endure.

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Warm minimalist residence exterior in natural stone

Introduction

Quiet confidence,
built to last generations.

KASA is a Sydney-based interior architecture and design studio shaping residences around material honesty rather than trend. We work in limestone, travertine, oak and bronze — materials that soften with age instead of dating.

Our process begins with light and proportion, not furniture. Every commission is treated as a singular piece of architecture, considered from structure through to the smallest handle.

The Studio

Selected Work

Featured Residences

Bellevue Hill residence, warm minimalist facade
Bellevue Hill Residence Sydney, 2025
Vaucluse residence exterior in limestone
Vaucluse Residence 2024
Mosman residence, concrete and stone
Mosman Residence 2023
Spiral stone staircase, architectural detail

Design Philosophy

Architecture first.
Decoration never.

We resist trend cycles in favour of proportion, natural light and the honest expression of material. A KASA interior is never staged — it is built to be lived in for decades, gaining character rather than losing it.

Furniture, joinery and lighting are considered as one continuous language, developed alongside the architecture rather than layered on top of it.

Our Process

Expertise

What We Practise

01Interior ArchitectureSpatial
02Bespoke Joinery & FurnitureCraft
03Material SpecificationDetail
04New Residential BuildsGround-Up

Journal

Notes on Craft & Material

Warm timber and stone detail

Materials

Why We Build in Limestone

Mediterranean architecture detail

Travel

Notes from the Mediterranean

Interior architecture study

Process

Designing for Forty Years, Not Four

Enquiries

Begin a Conversation.

We take on a limited number of residences each year. If our approach resonates with your project, we'd welcome the introduction.

Enquire