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About Us

The Melbourne commercial and office specialist

Kerwin Interiors is a Melbourne-based family business specialising in creating thoughtfully designed interiors to suit your changing needs

We help clients redesign or renovate their office or home. We focus on what our clients need and offer a range of interior design services to solve their challenges. We are known for getting things done – you can count on us to listen and to deliver your project on time.

Our services include:

  • Professional and functional commercial and office design, supply and install
  • Unique school room and office solutions. We specialise in creating flexible classrooms that can be used for different purposes and creating administration areas with loads of storage
  • Medical consulting rooms. We think about what your doctors, consultants, admin staff and patients need
  • Stylish and practical interior design and renovation for your home


Inspirational quote graphic


Sarah Thiele is a qualified interior designer and enjoys helping clients make the best use of space in their workplace or home. Sarah is the principal designer at Kerwin Interiors and will be your main point of contact. We are a family business and personal service is guaranteed. Your questions will never be handballed for another department to answer.

Sarah will work with you every step of the way.


“Sarah’s attention to detail and ‘can do’ attitude make her a pleasure to deal with.”

Georgia Hargreaves | Hargreaves Family Lawyers


Sarah listens to the needs of her clients. This has been key to her success. Sarah admired her late father-in-law, Wayne Kerwin Thiele, who was known for being a good listener. When Sarah needed a business name, she chose to acknowledge her father-in-law to demonstrate the value she places on listening.

At Kerwin Interiors, your input is always welcome and important.


“Sarah listened to what I wanted to achieve and has always offered me suggestions and recommendations that have been tailored to my needs.”

Georgia Hargreaves | Hargreaves Family Lawyers

Sarah Thiele is an office fitout specialist based in Melbourne


Perfect balance of colour and function

Sarah has a passion for colour. Her designs perfectly balance colour with function to create solutions that are stylish and practical.


“Colour is a power which directly influences the soul” ~ Wassily Kandinksy


Local Melbourne knowledge

Sarah has worked in Melbourne in the interior design industry for over 20 years. She has established strong relationships with local suppliers and wholesalers. Sarah uses Australian made products when possible. Kerwin Interiors clients have access to a wide range of suppliers of well-known products and innovative solutions.


“I have found Sarah to be able to deliver on time, on budget and her trades to be reliable, honest and hardworking.”

Andrew Cameron | Coote Family Lawyers


Community focussed

Sarah enjoys helping people. She volunteers her project management skills on many local committees. Her community work includes:

  • Balwyn Cricket Club – Community Sponsor
  • Duke of Edinburgh Award – Gold
  • Les Twentyman Foundation Back to School Program – coordinating donations of second hand books from Camberwell Grammar School for under-privileged students in Victoria
  • Camberwell Grammar School – Friends of Library committee member for 8 years
  • Camberwell Primary School – coordinated the cake stall for the Family Fun Day for 7 years
  • Point Leo Surf Life Saving Club – Age Group Leader
  • Camberwell Malvern Little Athletics – Age Group Leader
  • Camberwell Malvern Little Athletics Cross Country – Coordinator
  • Trinity Willison Cricket Club – Junior Team Manager
  • Auburn Kindergarten & Child Care Centre – President & Maintenance Coordinator