Business Details
50+ Years
experience
Award-Winning Architectural Design Solutions
Leffler Simes (LSA) has established itself as one of Australia's leading architectural and interior design practices since the 1960s. With offices in Sydney, Melbourne, and Brisbane, our firm has been at the forefront of the retail sector's expansion and has since diversified into commercial, industrial, hospitality, education, medical, leisure, and residential projects. Our team combines decades of experience with innovative design methodologies to deliver solutions that respect and enhance local communities. We hold national construction code certifications and provide comprehensive services including 3D modeling, site master planning, and post-occupancy evaluations. Our commitment to environmental consciousness and commercial viability has earned us recognition as a trusted partner for major developments across Australia and internationally.We maintain rigorous quality standards through detailed construction documentation, contract administration, and site attendance during construction. Our collaborative culture fosters creative conceptual design while maintaining strict adherence to regulatory requirements. This balanced approach ensures we consistently produce award-winning projects like the Bloomfield Orange Medical Centre and Macgregor Homemaker Centre. Our expertise extends to specialized services such as sun/shadow analysis, marketing plans, and tenancy design solutions. This combination of technical precision and visionary thinking positions us as industry leaders in both architectural design and interior design sectors.
Services
Architectural Design
Interior Design
Retail Design
Commercial Development
Medical Centre Design
3D Modeling
Construction Documentation
Site Master Planning
Landscape Design
Contract Administration
Details
- Year established: 1960
Highlights and features
- We have 60+ years of combined architectural experience across three major Australian cities
- Our team holds multiple state architectural registrations including NSW, VIC, and QLD
- We deliver comprehensive services from concept design to construction completion
- We maintain strict quality control through detailed documentation and site attendance
- Our designs balance environmental consciousness with commercial viability
Services
Architectural Design
Our architectural design services combine creative vision with technical precision to create functional, sustainable spaces. We specialize in commercial, retail, and medical developments that enhance community environments. Our process includes concept development, regulatory compliance, and construction oversight to ensure projects meet both aesthetic and practical requirements.
Interior Design
We create innovative interior environments that optimize functionality while maintaining aesthetic appeal. Our services cover retail spaces, medical facilities, and commercial offices. We focus on material selection, spatial efficiency, and user experience to deliver spaces that align with client branding and operational needs.
Retail Design
Specializing in retail environments, we design flagship stores and shopping centers that create memorable customer experiences. Our expertise includes Harvey Norman and IKEA projects, focusing on traffic flow, brand representation, and commercial viability while maintaining architectural integrity.
Construction Documentation
We provide comprehensive construction documentation including detailed drawings and specifications. Our documentation ensures regulatory compliance and facilitates smooth project execution. This service covers all stages from initial concept to final construction certificates and contract administration.
3D Modeling
Our 3D modeling services create photorealistic visualizations and flythrough animations. These tools help clients visualize projects before construction begins, supporting better decision-making. We use advanced software to produce accurate representations of proposed developments for presentations and approvals.
People
Chris Goodman
Managing Director | Architect
Registered architect with over 30 years' experience leading major retail and commercial developments. Specializes in creating innovative design solutions that balance commercial viability with architectural excellence.
Stephen Evans
Director | Architect
Multi-state registered architect with expertise in complex mixed-use developments. Brings technical precision to large-scale projects while maintaining focus on sustainable design principles and client requirements.
Ruel Luansing
Associate Director | Architect
Experienced in delivering high-quality architectural solutions across diverse sectors. Focuses on technical excellence and regulatory compliance while ensuring designs meet evolving client needs and market demands.
James Olsen
Associate Director
Specializes in commercial and retail architecture with emphasis on creating functional spaces that enhance user experience. Brings collaborative approach to project delivery and client relationship management.
Chhean Khoun
Associate Director | Architect
Registered architect with extensive experience in retail and mixed-use developments. Focuses on innovative design solutions that combine aesthetic appeal with operational efficiency for major commercial clients.
Questions
What architectural sectors does Leffler Simes specialize in?
We work across retail, commercial, industrial, hospitality, education, medical, and residential sectors with particular expertise in large-format developments.
Which major retailers have you worked with?
Our portfolio includes flagship stores for IKEA, Harvey Norman, and Domayne across Australia, New Zealand, and China.
Do you handle both design and construction phases?
Yes, we provide full-service architecture from concept design through construction documentation to site attendance during building works.
What makes your firm different from other architects?
Our unique combination of retail sector heritage, technical expertise, and commitment to sustainable community-focused design sets us apart.
Can you work on international projects?
Yes, we have extensive experience delivering projects in Australia, New Zealand, and China with local regulatory compliance expertise.
What technology do you use for design visualization?
We employ advanced 3D modeling software to create photorealistic visualizations and flythrough animations for client presentations and approvals.
