Luxury Interior Design in Sydney
Crafting High-End Interiors That Speak to Sydney’s Style – Partner with Experts in Design for Behaviour
Sydney is a city of diverse architecture, from waterfront penthouses in Barangaroo to heritage terraces in Paddington. COOOP’s approach to luxury interior design in Sydney is built on decades of experience, design precision, and a behavioural understanding of how people interact with space. We don’t just create beautiful interiors—we design environments that enhance quality of life, elevate daily rituals, and support how people naturally live, work, and connect.
Whether you're developing a new residence in Mosman or reimagining a high-end apartment in Darlinghurst, our process balances visual clarity with cultural relevance, ensuring the outcome is not only stunning but deeply intuitive. Backed by global expertise and local insight, we provide a seamless, full-service design experience tailored for luxury living.
Designing for Sydney requires more than aesthetic flair—it demands a sensitivity to lifestyle, climate, and context. From the sunlit harbour homes of Rose Bay to contemporary retreats in Surry Hills, each project is influenced by its location, orientation, and user behaviour.
Our team takes the time to observe how space will be used—not just by homeowners, but also by guests, staff, and extended family. This behavioural approach allows us to create interiors that don’t just look refined but feel instinctively right. Light, flow, acoustics, and texture are all tailored to suit your environment and personal rhythm.

Full-Service Interior Design for High-End Residences
COOOP offers an end-to-end design journey that aligns with the globally recognised RIBA and AACA frameworks. From ideation to final delivery, we ensure your space is handled with care, rigour, and creativity.
1
Brief Development
We work closely with clients to develop a holistic brief that reflects personal desires, practical needs, and architectural constraints. Our process captures everything from daily routines to brand aspirations (if the project is commercial in nature), setting the tone for a successful design.
2
Concept Creation
We translate the brief into a cohesive visual language. This is where colour palettes, spatial flow, material selections, and design identity are formed. We pull from both local and international influences to craft concepts that feel grounded and bold at once.
3
Implementation
Execution is where the vision takes shape. With precise documentation, bespoke joinery design, and expert project oversight, we deliver interiors that are both technically sound and emotionally resonant. From sourcing exclusive finishes to liaising with artisans and builders, our team ensures a flawless realisation of the design.

Design for Behaviour: More Than Just a Trend
Our philosophy, Design for Behaviour, is the foundation of everything we do. With over 490 successful projects completed globally, we know what makes a space work—not just functionally, but emotionally. Our insights into how people move through and interact with spaces allow us to design with intention, making even the most complex layouts feel effortless.
This human-centred approach is especially powerful in luxury settings, where liveability must meet elevated expectations. Whether it’s a kitchen that naturally draws people together or a master suite that feels like a private retreat, we use spatial psychology to guide every decision
Why Sydney Clients Choose COOOP
Sydney is home to a discerning clientele who seek more than just good design—they want meaning, performance, and value. That’s where our work stands apart.
We’re not simply another name among interior design companies in the city. Our practice integrates behavioural insights, local context, and architectural storytelling into every project. It’s a rare intersection of art, science, and luxury that positions COOOP as one of the leading firms for luxury projects in the country.
Our portfolio includes everything from heritage-listed properties to cutting-edge new builds, with each space reflecting its owner's unique narrative. Whether you're after modern sophisticated interior design or timeless elegance, we bring your ambitions to life without compromise.

Frequently Asked Questions
What types of residential properties do you work on in Sydney?
We work across a variety of project types including waterfront homes, high-end apartments, terrace houses, and inner-city residences. Each design is tailored to the property type, architectural style, and lifestyle needs of the homeowner.
Do you provide furniture and styling as part of your service?
Yes. Our service includes FF&E (furniture, fixtures, and equipment) scheduling, bespoke joinery, and curation of accessories, artworks, and textiles. We create cohesive spaces where every element has a purpose.
How involved will I be in the design process?
Your input is crucial during brief development and concept phases. From there, we manage the details, keeping you informed while handling all design documentation and project coordination.
What makes your approach different from other interior design consultants?
Our edge lies in our behavioural design philosophy. We don’t just design for aesthetics—we create interiors that feel intuitive, perform well, and reflect the daily patterns of those who use them.
Can you work with existing builders or architects?
Absolutely. We regularly collaborate with external consultants and construction teams. Our design documentation is clear, detailed, and structured for seamless handover or integration.
Designed for Today, Built to Endure
Luxury today is defined by more than expensive materials or dramatic spaces—it’s about comfort, coherence, and how a place supports your everyday living. That’s where COOOP’s process stands apart.
If you're looking to invest in luxury interior design that holds meaning, performs effortlessly, and reflects your personal values, we may be the design partner you're seeking. From Vaucluse to the CBD, we bring a rare depth of understanding and a proven ability to turn vision into reality.
For homeowners, developers, or architects seeking one of the most experienced interior design consultants in Sydney, COOOP offers more than just a service—we offer a partnership grounded in craft, behavioural insight, and design that lasts.