The Bayside Architect and Designer to bring your home vision to life

(even if you don’t have one yet)

Welcome to JDA Lammin, where home builds and renovations are beautiful, functional, seamless, and stress-free

We create extraordinary designs for ordinary people. Our favourite work isn’t ostentatious, luxury high-end homes, and we don’t do standard cookie-cutter designs that most volume builders churn out.

A JDA Lammin custom-designed home is perfectly considered, down to every detail. We get to know you and your family—your needs, challenges, personal taste, and lifestyle-- and we create a beautiful home that reflects you and functions flawlessly. Not just now, but for years to come. . 

Why our clients choose to work with us:

  • Detail-orientated designs

    Your plans will be perfectly thought-out with little touches you hadn’t even considered

  • Regular communication

    We will communicate with all stakeholders so you are updated throughout (and you never have to chase anyone)

  • Complete project coordination

    We manage everything from Council approvals and surveyors to builders, and we will update you directly

  • Principal Architect expertise

    Our owner Harriet is your Architect and point of contact, and your project will not be passed down to a junior staff member

  • No surprises for your budget

    We offer a fixed-fee pricing model for most projects, with payment plans available. We also scale projects to allow for different budgets

“We have recently had a fabulous experience with Harriet of JDA Lammin Architects. We loved all her suggestions and could not be happier with the results. Harriet was always available and responsive and followed through with our builder on a regular basis until completion.”

-Julie, Hampton

Meet our Owner and Principal Architect, Harriet Lammin.

“With over 25 years in the industry, I have a strong attention to detail and a passion for beautiful architectural design that reflects the needs of the people who live there. It is quite personal to design a home for someone, and I love working closely with my clients, getting to know you and your needs, so that I can create a home that will make you happy well into the future.  

I will be closely involved with your project at all stages, and I will be your main point of contact always--  it won’t be passed on to a junior architect or another team member.  

My overall approach is like my communication style - calm and collaborative, and I don’t try to force my opinions or design aesthetic on my clients. I will work closely with you to uncover your own style and ensure that it is expressed in the design of your home. It won’t be designed solely to win awards for my business or be published in magazines. I strive to provide a positive, supportive environment for my clients, keeping you informed, in control, and stress-free.”

If you think we’d be a good fit, I would love to hear about your project.

BOOK A NO-OBLIGATION CALL WITH HARRIET /

“Harriet at JDA is a great listener and thinker, and that is obvious when you see her response to the task at hand. It is always difficult to refer someone, but I have no hesitation with JDA.”

-past client

if you’re not ready for a call yet, you can download our booklet here, and learn more about working with us.