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TM Design Studio is a boutique, multi-disciplinary Interior Design Studio based on Sydney's Northern Beaches.

"We're a passionate & dynamic design team with a strong focus on creating interiors that cater to our client’s individual needs. We love to design spaces that genuinely reflect our clients personality or brand".
Tess Mathews


New Builds

Working with architects to create beautifully resolved internal spaces.


Working directly with clients or working with architects to redesign internal spaces.


Cosmetic changes

Selection of materials and finishes, such as flooring, tiles, wallpapers and paint colours.

Kitchens and Bathrooms

Custom design kitchens and bathrooms including structural and cosmetic changes


Bespoke joinery & loose furniture

Custom design of wardrobes and built-in joinery such as cabinets.

Design and management of bespoke upholstery and soft furnishings.

Furniture procurement

Sourcing of furniture, lighting, rugs, interior accessories and artwork.

Window treatments

Design and installation of window treatments.

If you're wondering whether we might be able to help with your project, don't hesitate to call or get in touch via our contact page

Tess Mathews is the founder and creative director of TM Design Studio and is directly involved in the design process end to end. 

Each project we design shares a common emphasis on individuality, longevity and functionality. This comprehensive methodology ensures a consistency across each project and a design outcome that is both bespoke and beautifully resolved.

Our capabilities include Private Residential, Retail, Hospitality, Commercial, Hotel, and Multi-Residential.


The work we do for you may include the following:


TM Design Studio. Interior Designers in Sydney.
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