The Melbourne Bayside Architect to guide you through every step of your home build, extension or renovation.

Whatever your challenge, we will find a creative, bespoke solution designed specifically for you. 

We’re ready to design your dream home.

As a trusted local Bayside architecture firm, we believe that home building and renovations should be exciting and enjoyable, not stressful. We listen carefully to your needs, guide you through every step of the process, and draw on decades of expertise to ultimately craft the perfect home that you will love for many years to come. 

Home Extensions

Want more space and better function in your home? We can rearrange, build up, or build out, depending on your home and needs. Get in touch with us to learn about your extension options.

Home Renovations

If your home is feeling a bit dark or dated, it might be time for some modernisation. Learn more about our beautiful custom Bayside renovation work.

New Build Houses

If you want to build a new house, we can create the perfect plan and coordinate everything from start to finish.

New Build Townhouses

Maybe you’re thinking of building townhouses on your existing land. We can help you make a plan that suits your area and makes the most of all your space.

If you aren’t sure what you need, please contact us directly for a no-obligation consultation.

What to expect when you work with JDA Lammin 

We are problem-solvers who design quality, contemporary spaces with your vision in mind. We work tirelessly to ensure our design is fully compatible with your lifestyle - both now and into the future.  

We also understand the practicalities of building, and we know that great design isn’t just about how a home looks-- it’s how it functions, how it feels when you enter the space, how it performs over its lifetime, and the way it enhances your lifestyle.  

We help families and homeowners throughout Melbourne’s South-eastern suburbs by expertly guiding you through every stage of your project, from initial design planning and approvals through project coordination, construction, and finally—completion. We will have everything under control throughout, so you can enjoy the process and get excited about the results.

Many of our clients come from South Eastern Melbourne and Bayside suburbs including Bentleigh, Brighton, Hampton, Oakleigh, Mentone, Black Rock and surrounding suburbs but we are happy to work all over Melbourne and Victoria.  

CLIENT STORIES.

  • “Harriet was worth every cent, as she guided us through every step of a very complicated process. She developed plans that were exactly what we wanted and took our specific wants into account, maintaining some of the original features of our home. All our family and friends have commented on how clever and thorough the design is.”

    – Caitlin, Oakleigh

  • “We had met with other architects previously but they were never the right match for us. Harriet was confident, reassuring and patient and was always available to discuss ideas and provide regular updates. From the initial concept to the final execution, Harriet demonstrated a level of creativity, professionalism and attention to detail that exceeded our expectations. Overall, working with Harriet was a great experience. If you're looking for an architect who brings professionalism and a passion for their craft, I wholeheartedly recommend Harriet Lammin.”

    – Chris, Oakleigh

  • “Harriet provides great service and always puts the customer first. Her diligence, professionalism and courteous manner make her a pleasure to work with. We highly recommend Harriet at JDA Lammin Architects and would engage her services again.”

    - Louise, past client

  • "Harriet was an unbelievable asset in the creation of our new home. She immediately understood our needs and what we wanted from our downsizer. It was the easiest and most efficient part of our build. Harriet is wonderfully collaborative and so helpful. I would not hesitate to recommend her."

    Cheryl, Hampton

FAQs

We would love to design the perfect home for you. 

Book a complimentary 30-minute call with Principal Architect Harriet, so we can understand more about your project and your needs.

FOLLOW US