Finding the right architect in Sydney can feel overwhelming given the sheer number of studios available. From high-end residential extensions to sustainable eco-homes, the quality of design and project management varies widely. We’ve curated this FiveFantastic™ guide to highlight five standout firms known for their innovative design and excellent client communication.

We highlight leading studios known for their design excellence, successful planning applications, and strong project delivery. Whether you’re looking for a contemporary residential extension or a complete new build, these practices represent the gold standard in Sydney architecture.

Editorial note: this is a curated Five Fantastic shortlist, not an exhaustive ranking. Services, fees, and availability vary by practice.

Why use this guide

Five Fantastic Architects in Sydney

Luigi Rosselli Architects

Notable Professional:Luigi Rosselli, Architect

Luigi Rosselli Architects is a premier architectural practice in Sydney, recognised for design excellence and successful project delivery. Led by Luigi Rosselli, the studio offers bespoke architectural services tailored to individual client briefs.

MCK Architects

Notable Professional:Mark Cashman, Nominated Architect

MCK Architects is a premier architectural practice in Sydney, recognised for design excellence and successful project delivery. Led by Mark Cashman, the studio offers bespoke architectural services tailored to individual client briefs.

Rob Mills Architecture & Interiors

Notable Professional:Rob Mills, Founder & Creative Director

Rob Mills Architecture & Interiors is a premier architectural practice in Sydney, recognised for design excellence and successful project delivery. Led by Rob Mills, the studio offers bespoke architectural services tailored to individual client briefs.

Sam Crawford Architects

Notable Professional:Sam Crawford, Director

Sam Crawford Architects is a premier architectural practice in Sydney, recognised for design excellence and successful project delivery. Led by Sam Crawford, the studio offers bespoke architectural services tailored to individual client briefs.

Cadence & Co

Notable Professional:Darren Mills and Mark Campbell, Founders

Cadence & Co is a premier architectural practice in Sydney, recognised for design excellence and successful project delivery. Led by Darren Mills and Mark Campbell, the studio offers bespoke architectural services tailored to individual client briefs.

Looking specifically for a Residential Architect in Sydney?

Residential architecture requires a very different skill set to commercial work. It involves deeply personal client relationships, navigating local planning permissions for domestic properties, and designing spaces for daily living.

When choosing a residential architect, look for a portfolio that matches your aesthetic vision—whether that’s ultra-modern minimalism or sensitive heritage restoration. Always ask about their success rate with local planning applications, as this local knowledge is invaluable.

How to choose the right architect in Sydney

Explore more Five Fantastic architects guides

Looking beyond Sydney? Explore other city guides for trusted architects and related support.

Frequently asked questions

How much does an architect cost in Sydney?

Fees in Sydney vary widely based on the project’s complexity and the firm’s prestige. For full services (from concept to completion), expect to pay between 8% and 15% of the total construction cost. For just planning drawings, a fixed fee is more common.

Do I need an architect for an extension?

Not always. For a simple, permitted development extension, an architectural technologist or draftsperson may suffice. However, for complex designs, listed buildings, or maximizing space and light, a qualified architect adds significant value and design flair.

Will an architect guarantee planning permission?

No architect can guarantee planning permission, as the final decision rests with the local authority. However, a good local architect will have a strong understanding of local planning policies and a high success rate with their applications.

Endnotes and source links

1. Luigi Rosselli Architects. https://luigirosselli.com/

2. MCK Architects. https://mckarchitects.com/

3. Rob Mills Architecture & Interiors. https://www.robmills.com.au/sydney

4. Sam Crawford Architects. https://samcrawfordarchitects.com.au/

5. Cadence & Co. https://www.cadenceandco.com.au/expert-residential-architects-in-sydney/