
I’m Dion Seminara, a registered Brisbane architect since 1991, and the Design Director at dion seminara architecture. What sets us apart from other architects in Brisbane is our signature SHAPE Design Method and Delivery Process. This proven approach creates a design which is targeted to your lifestyle and goals, and ensures that your renovation or bespoke new home project will run smoothly and result in a residence which truly brings your lifestyle home.
Our architects are experienced with all phases of project design and delivery, which is why we offer complete end-to-end services – covering everything from design documentation, through to approvals, construction, and handover. With decades of local experience across Brisbane, South-East Queensland, and Northern NSW – our close-knit team combines design expertise, climate-responsive solutions, and meticulous attention to detail to create homes which are functional, inspiring, and deeply personal.
35+
Years Experience
1000+
Projects Delivered
25+
Award Winning Firm
Our architects create homes which feel like YOU. They take the time to understand your lifestyle and ambitions, then interpret them into a design which feels natural, effortless, and uniquely yours. Working with our architects, you will feel heard, supported, and confident that your vision is guiding every design decision.
Every project is different. That’s why we offer everything from concept only packages, all the way to full-service offerings complete with construction support – giving you the confidence and freedom to choose the path which best fits your timeline, investment levels, and goals.
A home should feel complete – not carelessly pieced together! Our architect-led approach blends architecture, interiors, and landscape design into one harmonious design outcome. Our architects make every project decision with your lifestyle in mind, creating a home which flows beautifully and is deeply personal.
Every project is guided by our principal architect, Dion Seminara, in assistance with his close-knit team. This approach ensures that your project receives personal attention with meticulous detail. From the initial vision, and the way to the execution, we ensure that your home is a seamless reflection of you – crafted with care, precision, and dedication.

If you are unsure how architects can assist with your project, or would like to understand the process or explore your home design options, our Brisbane-based residential architecture team is here to guide you through it.
We understand that embarking on a new home, renovation, or design project can be overwhelming. That’s why we encourage you to speak with one of our experienced Brisbane architects about your ideas, vision, or next steps. All enquiries are welcome; we are here to help.
Your home is more than a building — it’s the setting for your lifestyle, memories, and future. Our holistic approach guides you from your initial consultation through to completion, seamlessly blending every stage of design and delivery into one cohesive experience. The result is a home where every detail feels intentional, balanced, and deeply personal and a process that feels simple, supported, and stress-free.
Every home is unique. From Queenslanders and challenging sites to modern new homes, our team has the experience to deliver exceptional results across a wide range of project types.
Our architects have developed a range of tools and resources to help you gain confidence in embarking on your journey to create your forever home.
We believe great design goes beyond aesthetics — it’s about creating homes that enrich everyday life. We design homes where indoor and outdoor spaces flow, enhancing comfort, connection, and lifestyle.
Your home should reflect your lifestyle and aspirations. We begin by listening and understanding your goals and ideas, so we can design a home that feels tailored, timeless, and deeply personal.

An architect is a registered design professional who can guide the overall design, planning, approvals, documentation, and design quality of your project. A draftsperson just focuses more on preparing technical drawings and documentation. If your project needs design strategy, problem-solving, liveability improvements, or complex renovation advice, an architect will usually provide a broader service.
A home renovation design can take anywhere from a few weeks to several months, depending on the size of the renovation and how much detail is required. Concept design is usually the first stage, followed by design development, approvals, and construction documentation. More complex homes, character properties, sloping sites, or projects needing council approval will generally take longer.
You should usually speak with an architect first if you need help working out what is possible, what should be designed, and how to make the most of your budget. A builder is important later for pricing, construction advice, and completing the work. Involving both at the right time can help reduce surprises and keep the project more realistic.
The SHAPE Design Method is dion seminara architecture’s structured design process for helping clients create a better home with less stress. It focuses on listening, analysing the home and site, and delivering design solutions that suit the client’s lifestyle, budget, and long-term goals. The method helps make the design journey clearer from the first ideas through to planning and building.
You start a home renovation in Brisbane by understanding your goals, budget, site constraints, and what approvals may be needed. An architect can help assess your existing home, identify design opportunities, and prepare a clear plan before you commit to construction. Starting with good advice early can save time, money, and stress later.
You may need council approval for a renovation in Brisbane if the work affects planning rules, character requirements, setbacks, height, overlays, or the external form of the home. Some internal or minor works may not need town planning approval, but they may still need building approval. It is best to check early so the design can be planned around the right approval pathway.
An architect can help you renovate a Queenslander by improving layout, light, ventilation, access, and liveability while respecting the character of the home. Queenslanders often involve specific design challenges such as raising, extending, enclosing underneath, or working with traditional street character requirements. Good design can help modernise the home without losing what makes it special.
You should prepare your goals, budget range, site address, existing plans if you have them, and a list of what is not working in your current home. Photos, inspiration images, and notes about how your family lives are also helpful. The more clearly you can explain your needs, the easier it is for the architect to give useful advice.
An architect can help keep your renovation on budget by designing to a clear brief, identifying priorities, and helping you make informed decisions before construction starts. While no one can control every market cost or site surprise, good planning reduces the risk of expensive changes later. A realistic budget should be discussed from the beginning and reviewed as the design develops.

We are honoured to support Mercy Ships, a global charity that operates the world’s largest civilian hospital ships, delivering free life-changing surgeries and medical training to some of the world’s most vulnerable people. Mercy Ships has provided over $1 billion in free surgical services and trained more than 6,000 local healthcare professionals.
If you’re interested in learning more or exploring different ways to get involved, our local Ambassador, Gabrielle Reilly, would be happy to assist. You can learn more at Mercy Ships Australia.
We acknowledge the Turrbal and Yuggera peoples as the Traditional Custodians of the land on which we work.
We pay our respects to Elders past, present and emerging, and extend that respect to all Aboriginal and Torres Strait Islander peoples.
At dion seminara architecture, we recognise both the significance and responsibility of designing on Country and are committed to culturally respectful and inclusive architectural practice.