We are excited to present the top 12 interior designers in Perth for 2026. Nestled on Australia's stunning west coast, Perth is a city that seamlessly blends natural beauty with a thriving urban landscape. Known for its laid-back lifestyle, pristine beaches, and vibrant arts scene, Perth has become a hub of creativity and innovation in the world of design.
This carefully curated list showcases the leading interior designers in Perth for 2026. Whether you're embarking on a new build, renovating an existing space, or simply seeking inspiration, these talented professionals are sure to ignite your imagination and bring your vision to life.
Each of these designers brings a unique perspective, crafting spaces that not only reflect their clients' personalities but also push the boundaries of style, functionality, and sustainability. With a keen eye for detail and a deep understanding of the local culture and environment, they create interiors that resonate on a profound level, offering the perfect canvas for your own creative ideas to flourish.
Disclaimer: The studios featured in this article are listed in no particular order. This selection is intended as an editorial overview and does not represent a ranking.
Top 12 Interior Designers in Perth, Western Australia for 2026
Cast Studio
Cast Studio is a Fremantle-based architecture practice delivering residential, multi-residential and social housing projects across Western Australia. The studio works collaboratively with clients, consultants and communities to deliver thoughtful, context-driven design outcomes.
Each project is shaped by its brief and setting, with a focus on simplicity, functionality and enduring material quality. Cast Studio is committed to creating well-resolved, adaptable spaces that support everyday life and contribute positively to their neighbourhoods.
Scope of Services: Architecture & Interior Design
Types of Built Projects: Residential, Multi-residential, Commercial, Hospitality, Retail, Public/Civic, Urban Design
Explore More: Cast Studio
Hunt Architects
Founded in 1970, Hunt Architects are a multi-disciplinary studio committed to delivering responsive architectural, master planning and interior solutions. Over 50 years of practice has positioned us as industry leaders as we continue to uphold our nationwide reputation for service-focused, innovative design. They aim to craft bespoke, responsive spaces that enhance the experience of users and the wider community.
Central to Hunt Architects' philosophy is a commitment to sustainability, reconciliation, and social responsibility. With their client centric approach, their projects go beyond aesthetics, addressing the greater context through thoughtful, comprehensive outlooks. Hunt Architects continually strives to add value, contributing meaningfully, and create spaces that leave a positive, lasting impact and building positive communities.
Scope of Services: Architecture & Interior Design
Types of Built Projects: Civil & Public, Criminal Justice, Education, Health, Hospitality, Industrial & Manufacture, Multi-Residential, Commercial, Aged Care, Interior Design
Explore More: Hunt Architects
State of Kin
Founded in 2016, State of Kin is a multidisciplinary architecture and design practice that merges creativity, technical precision, and collaboration to deliver ambitious, refined outcomes. With a team of architects, interior designers, and construction professionals, the practice takes a holistic approach, shaping projects through research-driven design and a deep understanding of personal, cultural, and geographical context. Their work balances innovation with intentionality, combining experimental thinking with trusted execution. Whether crafting expressive interiors or managing complex builds, State of Kin's process fosters dialogue, challenges conventions, and produces sophisticated spaces that resonate with individuality and vision.
Scope of Services: Architecture & Interior Design
Types of Built Projects: Residential - New Build, Residential - Renovation, Residential - Single Dwelling, Hospitality, Retail, Commercial, Interior Design
Explore More: State of Kin
Hillam
Founded in 1993 by David Hillam, Hillam Architects has grown into one of Perth’s most respected design studios, grounded in the belief that architecture profoundly shapes quality of life. Their ethos prioritises a harmonious balance of form and function, evident in projects ranging from bespoke residences to ambitious commercial and multi-residential developments. With a detail-driven and client-responsive approach, Hillam Architects delivers work that is both pragmatic and visionary. Their success is built on thoughtful engagement with site and climate, strong developer partnerships, and a reputation for delivering projects that are innovative, sustainable, and deeply attuned to the needs of people who live, work, and move through them.
Scope of Services: Architecture and Interior Design
Types of Built Projects: Residential - New Build, Residential - Renovation, Interior Design, Heritage Conservation, Hospitality, Mixed-Use, Multi-Residential, Workplace Architecture, Commercial, Aged Care
Explore More: Hillam
BelBon Design
Founded in 2021, BelBon Design is a small studio specialising in commercial, residential, and marine renovations and refits. We are sisters from Perth, WA, driven by a shared goal of transforming spaces into meaningful places. Our portfolio spans a diverse range of projects, from large vessels and commercial fitouts, including cafes, motels, and pubs to elegant residential interiors, each reflecting our commitment to creating unique and inviting environments. With a strong interest in heritage and character design, we strive to fuse contemporary techniques with a keen eye for detail, turning client visions into stunning realities.
Scope of Services: Architecture & Interior Design
Types of Built Projects: Residential Commercial Hospitality
Explore More: BelBon Design
Keen Architecture
Keen Architecture is a small highly personalised service concentrating on considered, authentic, unique and sustainable design. Our projects are as much about the process as the outcome, both to be excited by and thoroughly enjoyed.
Scope of Services: Architecture & Interior Design
Types of Built Projects: Residential Multi-residential Commercial
Style of Work: As an architecture firm, we like to keep things simple and enjoy the process. Our practice is grounded in honesty, sustainability and integrity.
Explore More: Keen Architecture
KHA - Kerry Hill Architects
Kerry Hill Architects is an internationally recognised architecture firm celebrated for its refined, contextually grounded approach to design. With studios in Singapore and Perth, the practice is best known for its award-winning hotel and resort projects, where clean, modernist lines are softened by local materials, climatic responsiveness, and cultural nuance. Their work consistently reflects a quiet elegance, balancing form and function with an emphasis on water, light, and spatial calm. The studio continues to honour its founding ethos by delivering architecture that is both timeless and deeply attuned to place.
Scope of Services: Architecture & Interior Design
Types of Built Projects: Multi-Residential, Commercial, Hospitality & Civic
Explore More: KHA - Kerry Hill Architects
St. Helier Studio
St. Helier Studio is an architecture and interior design studio based in Perth and the South West of Western Australia. Founded in 2021 by Bec Horton, a registered architect with over ten years of industry experience, the studio is dedicated to crafting timeless and personalised spaces that reflect each client's unique vision.
Every project is approached with individuality, aiming to create truly distinctive environments. With expertise in all stages of design, St Helier Studio follows a systematic process from the initial briefing through to on-site services, ensuring a seamless and successful outcome to create spaces that inspire.
Scope of Services: Architecture & Interior Design
Types of Built Projects: Residential - New Build, Residential - Renovation, Residential - Single Dwelling
Explore More: St. Helier Studio
&Dalecki
&Dalecki is a studio with a deep respect for people and place. Guided by a genuine interest in our clients and their sites, we pursue rational, sustainable and poetic design responses that transform daily routines into moments of inspiration and ease. Our work consistently balances comfort with creative rigour, delivering thoughtful homes that enrich our clients’ lives with moments of curiosity and engagement.
Our multi-disciplinary team combine passion for architecture, design and interiors with a proactive, collaborative and forward-thinking approach. Guided by common goals, we appreciate and encourage robust conversations that enhance outcomes. We have always believed that exceptional design is a collective effort, a product of many hands and minds working together.
Scope of Services: Architecture & Interior Design
Types of Built Projects: Residential, Multi-Residential
Explore More: &Dalecki
AMASS Architects
At AMASS our mission is to deliver spaces that are functional, soulful, and sustainable. The solution for each project is a product of our unique design process, driven by research, consultation, and collaboration.
We are a team working across Australia on a range of residential, community and commercial projects with a desire to unlock the hidden potential of each. We use advanced digital tools to explore new approaches to design, documentation, and construction.
Both Directors, Kieran and Paul bring their international experience and passion for purposeful, crafted and sustainable design to every AMASS project
Scope of Services: Architecture & Interior Design
Types of Built Projects: Residential, Multi-residential, Commercial, Workplace, Public/Civic
Explore More: AMASS Architects
Grotto Studio
Grotto Studio is a Perth-based architecture practice working across residential, hospitality, and select commercial projects. We design spaces that are calm, enduring, and deeply connected to light, landscape, and daily life. Our work balances clarity with atmosphere, combining rigorous thinking, careful detailing, and a strong sense of material character. From sensitive renovations to new homes and broader strategic design thinking, we create architecture that feels grounded, generous, and quietly distinctive—shaped by place, built with intent, and designed to age beautifully.
Scope of Services: Architecture & Interior Design
Types of Built Projects: Residential, Multi-residential, Commercial, Hospitality, Workplace, Retail, Public/Civic
Explore More: Grotto Studio
Marcus Browne architect.
Marcus Browne architect. is a residential architecture studio creating finely crafted homes shaped by people, place and purpose. Based in Margaret River and working across both regional and urban contexts, the practice is recognised for bespoke, site-responsive design rather than a fixed house style. Each project begins with careful listening and a disciplined commitment to the brief, with architecture, interiors and landscape considered as one. The studio’s focus is to deliver the most valuable outcome across budget, aesthetics and lifestyle, creating cohesive homes that enrich everyday life.
Scope of Services: Architecture & Interior Design
Types of Built Projects: Residential, Multi-residential, Landscapre Design
Explore More: Marcus Browne architect.
Frequently Asked Questions
1. What criteria were used to select the top 12 interior designers in Perth for 2026?
Our selection process considered a range of factors including design excellence, portfolio diversity, client satisfaction, industry recognition, and contribution to the Perth design community. Each designer was evaluated on their ability to deliver innovative, functional, and visually compelling spaces that reflect the unique character of Western Australia.
2. How much does it cost to hire an interior designer in Perth?
Fees vary depending on the designer's experience, the complexity of the project, and the services required. Some designers charge a flat fee, others work on an hourly rate, and some take a percentage of the overall project budget. It's always best to discuss pricing openly during your initial consultation.
3. Do these designers work on both residential and commercial projects?
Many of the designers on this list work across both residential and commercial spaces, though some specialise in one or the other. Check individual profiles to find the best match for your specific needs.
4. How far in advance should I book an interior designer in Perth?
Perth's top designers are often booked several months in advance, particularly for large-scale projects. If you have a specific timeline in mind, it's advisable to reach out as early as possible to secure your preferred designer.
5. Can CO-architecture help me choose the right architect?
Yes! If you're unsure who's the right fit for your home project, CO-architecture can help. Just fill out our quick form here and we'll recommend architects or designers based on your budget, style, and goals, making the process simple and stress-free.
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