Theresa Casey and the team at Casey Design/Planning Group Inc. have the experience and creativity to design the home you’ve always wanted. Please explore our portfolio of small, medium and large projects to see how we can help you make your dreams a reality.

 Casey Design winner 2018 Inaugural Award of Excellence for Interior Design

Casey Design winner 2018 Inaugural Award of Excellence for Interior Design




VIDEO: Go behind the scenes with designer Theresa Casey to glimpse the design inspiration for "Warehouse Living", a truly timeless kitchen that blends vintage artifacts with a contemporary aesthetic.

VIDEO: Interior Designer Theresa Casey transforms a young couple’s tired suburban home into a sophisticated character-filled space.


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Video: You could believe this garden is in Florence, not Toronto. Designer Theresa Casey conjures up a romantic European escape in her small, city backyard complete with gurgling stone fountain, bowers, and an artist studio in a converted garage that serves as a creative escape.


“I’m telling you to finish reading your paper and immediately go to the website of interior designer and colour guru Theresa Casey. Go through her photos and notice the sophisticated manner in which she handles colour and pattern. Theresa has no fear of creating dramatic and livable spaces using both. And her work doesn’t look amateurish and two-dimensional like a lot of rooms with colour can.”
– Jeffrey Fisher, The National Post

“Casey finds beauty and practicality in unusual places. She is fond of old objects, found objects and in particular, objects bestowed upon her, which she arranges to magical effect. Her work exudes an effortless charm; there’s nothing precious about Casey’s approach. It’s authentic, and with good reason.” 
– Jennifer David, Toronto Life

“Theresa Casey reveals her belief that design is about feeling. The Toronto-based interior designer is not interested in rooms that are “done”. To this end she works the shapes, proportions, textures and light into a harmonious balance.”
– Janice Lindsay, The Globe and Mail