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Project Glenpark

Diana Bastone Designs is an interior design firm guided by the principles of simplicity, practicality and beauty in balance, and the belief that interiors can inspire inner peace. Owner and Principal Designer Diana Bastone and her team have garnered accolades for their contemporary designs while staying true to classic styles, resulting in thoughtfully tailored livable spaces that blur the boundary between trendy and timeless, right down to the detail.


Diana Bastone

Principal Designer and Owner

Diana is a graduate of the Interior Design program at Toronto Metropolitan University (formerly Ryerson University), but her pathway to design started in childhood, when she flourished through her love of drawing and painting as a means of creative expression. As a girl, she recalls watching her mother renovating and decorating their beautiful home, chiming in with her opinions and preferences, seeing the transformation of the family home, and recalling how different she felt in the final result. It’s that transformative feeling that she wants each of her clients to experience.

 In adulthood, the field of interior design allows Diana to channel her innate creativity whenever she finds herself sketching concepts, working with colour and seeing the final product, whether it is custom millwork or furniture. Diana’s discerning taste and design style is sophisticated yet approachable, qualities visible in each of her projects through the years.

Diana’s formal education combined with 30 years of practical experience have equipped her with skills spanning every facet of interior design, from construction to space planning, millwork design and custom décor.

Diana also has a passion for the business side of interior design, and has a continuous coordination and communication with her team of contractors, suppliers and clients. From concept to completion, Diana prides herself on her robust supportive roster of professional collaborators, each contributing their unique talents to carry out the shared vision for success.

“My design philosophy is that our home has a profound impact on our well-being. If we surround ourselves with beautiful spaces that are also practical for everyday living, our home can bring us much joy to our daily life.” – Diana Bastone

Diana Bastone Signature

Ashley Tomasone

Senior Designer

With more than 10 years of Interior Design experience, Ashley

brings a keen eye and a fine attention to detail to Diana Bastone Designs.

Specializing in custom millwork and space planning, Ashley is able to transform

intricate design concepts into beautifully articulated spaces that meet your needs and lifestyle. Her passion for construction and the building process enables her to work in conjunction with clients, contractors, and trades to ensure the project is seamless from start to finish.

Ashley's love of travel allows her to be continuously motivated and inspired in the ever-changing world of design. The most rewarding aspect of her job is translating the client's vision into reality—where spaces are not only lived in, but they become spaces that are loved and memories are created in.

living room interior

We are known for creating stylish and thoughtfully-tailored liveable interiors.

Example of a small trendy light wood floor and yellow floor powder room design in Toronto with white cabinets, a wall-mount toilet, white walls, white countertops and a floating vanity

What our clients think

Our experience working with Diana was wonderful. Diana was able to bring our vision to life with her creativity and attention to detail. She was extremely helpful in all stages of our kitchen/main floor remodelling. I would highly recommend Diana to others.Read More

My husband and I hired Diana Bastone to take our home to the finish line after construction was completed. She is meticulous and was able to discern our personal style, even when we were unclear as to what we wanted. Throughout the entire process Diana was very professional, accessible and an absolute pleasure to work with. Her attention to detail, ranging from paint colours, art, furniture, window coverings, area rugs and a myriad of accessories, is second to none! She truly took our home to the next level with a timeless design that is unequivocally stunning. If you want a team that will exceed your expectations, look no further, as we would highly recommend Diana Bastone Designs, without the slightest hesitation.Read More

I hired Diana as my designer on a new home build. She has not only guided me professionally through the process but has also provided me with reassurance I so often needed when I felt overwhelmed. I completely trust her input and vision. Equally as important, she is always available when I have a question. A complete professional and very easy to work with. Without hesitation I would highly recommend Diana to anyone looking for a designer. You will not be disappointed!Read More


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