Photo by Elite Dwellings

Trends come and go, but great design stands the test of time. Over the years, I’ve found myself returning to a few core principles—quiet fundamentals that anchor every project, regardless of the style, scale, or medium. Whether I’m designing a residential home, a commercial space, or a conceptual installation, these five design principles never fail me.

Balance

Balance isn’t about symmetry—it’s about harmony. Whether it’s visual, spatial, or material, good design considers the weight of every element in relation to the others. A carefully balanced composition creates calm and clarity, whether you’re placing furniture in a room or designing a façade. It’s not just about what’s there, but what’s not.

Proportion and Scale

Scale is what makes a space feel right. An oversized light fixture can make a small room feel awkward; a tiny door in a tall space looks like a mistake. Proportion and scale are closely tied to human experience. Designing with the human body in mind ensures comfort, usability, and emotional connection—something that never goes out of style.

Rhythm and Repetition

Rhythm in design is like rhythm in music—it’s what keeps things moving. Repeating elements like windows, columns, or textures can guide the eye and create cohesion. But rhythm doesn’t have to be rigid; thoughtful variation within repetition can make a space feel dynamic and alive.

Functionality

Form may turn heads, but function wins hearts. Designing with purpose—considering how a space will be used and who will use it—is what elevates design beyond aesthetics. A beautiful chair that’s uncomfortable is just a sculpture. Good design solves real problems while still pleasing the senses.

Timeless Materials

Materials tell stories. Brick, wood, stone, concrete—these aren’t just building blocks; they’re carriers of history and tactility. Using honest, natural materials creates warmth and connection. And when chosen wisely, they age gracefully rather than looking dated or worn.

Great design doesn’t have to shout—it just has to work, feel good, and last. These principles are like the roots of a tree: they may not always be visible, but they ground everything you build.

About the Author:

Mary and Andrew are architects, designers, and, most importantly, HMO investors. They combine their knowledge of HMO investing with their 20+ years of experience in architecture to help investors maximise the potential in their projects through layout optimisation and high-end design. Learn more about Mary and Andrew here.