Within is a niche interior architecture and design practice based in Perth, Western Australia. We are passionate about designing innovative, bespoke and ambitious interiors that improve our client’s everyday lives. We take pride in every part of our work and ensure that each design we undertake creates a unique space that meets the needs and desires of our clients.


We are problem solvers. We are story tellers. We are creators. We are excited by what good quality design can do. And most importantly we love using design to tell an individual story, to make a house a home, and a space a place.


Our design ethos centres around the four pillars of creativity, timelessness, adaptability and sustainability. Using these ideals as our philosophy we merge functionality with aesthetics to achieve results that feel exceptional.


We strive to deliver projects that are designed outside the box, but within time and budget.

Sarah Coghlan - Creative Director

BA (Interior Architecture), Hons – Curtin University, WA

Advanced Diploma (Product Design) – Domus Academy, Milan

Sarah is the creative director and founder of Within. She is an Interior Architect, designer, wife, mother of two and travel enthusiast. After more than a decade in some of the best Architecture firms in Perth, Sarah started her own business working one on one with clients to design and build their dream project, and enjoy the journey along the way.


She has been fortunate to work within companies that have extensive project diversity, and consequently developed strong briefing skills and the ability to successfully design for her clients no matter what their needs or budget. Her experience ranges from luxury apartments to industrial workshops, high end sporting centres to aged care facilities, libraries and museums to hospitals. 


Sarah works with a select group of professionals in the industry and has an extensive network of external suppliers and consultants. If you think Within might be the right company to bring your next project to life, simply pick up the phone or send us an email to organise a no-obligation, free quote.​