Unlock the Power of Expert Home Designers for Custom House Plans in Sydney & NSW That Turn Your Vision Into Reality

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At Profectus Design, we specialise in bespoke home designs and tailored house plans for clients across Sydney and Greater NSW. With a strong background in architecture home design, our mission is to turn your vision into a functional, beautiful, and council-approved residence. Whether you're looking for a fresh start through a knock down and rebuild or planning your forever home from scratch, we offer the full design and build experience.

We're more than just a home designer - we're your partner throughout the journey, offering personal consultation, concept development, and documentation services designed to help you bring your dream to life.

What We Offer

Custom Home Design Services

Our home designs are tailored to your site, lifestyle, and budget. Whether you're planning a single-storey home or a large multi-level dwelling, we incorporate architectural flair, sustainability, and smart space planning in every design.

Knockdown and Rebuild Services

Love your location but not your current home? Our knockdown and rebuild service helps you redesign your existing land with a completely modern layout that maximises space and value.

Wattle Grove Terraces 02 | Profectus Design

Design & Build Coordination

From sketch to build, we streamline the process by liaising with builders, engineers, and certifiers - reducing delays and ensuring your house plans are construction-ready.

Approval-Ready Documentation

We provide DA/CDC plans, BASIX compliance, shadow diagrams, and all necessary documentation for a stress-free path to council approval.

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Sustainable & Modern Living

Our designs reflected the latest in Australian housing trends - blending aesthetics with energy efficiency, smart technology, and practical space optimisation.

Why Choose Profectus Design?

Over 10 years of experience in building and design in NSW
Registered with the Building Designers Association of Australia (BDAA 6844)
Local knowledge of council regulations across Sydney suburbs
Attention to detail, modern design aesthetics, and personal service
Collaborative approach - we involve you at every stage of the design process

Ready to Design Your Ideal Home?

Whether you need expert advice on site feasibility, custom home designs, or full-service design & build coordination, we're here to help. Let us show you what's possible with your land.

Testimonials

Stephen's deep knowledge and expertise in the industry, along with his flexibility and attention to detail, made the entire process seamless. He took the time to truly understand our needs and tailored a custom design that perfectly suited my project. What really stood out was his experience working with various councils and his in-depth understanding of the legislation, which gave us the best chance of council approval. Stephen's professionalism and dedication to getting the job done right were clear from start to finish. If you're looking for someone who goes above and beyond to ensure the success of your project, Profectus Design is the way to go!

Vivian Jude

Stephen was great to deal with, he really knew all that is required to get our project documents over the line.. very easy to deal with. Thank you Stephen

Michael Atesh

Stephen and his team at Profectus Design are highly experienced and detailed consultants. They design to your construction budget offering a wide range of options without compromising that pleasing architectural style and look.Stephen and his team take to pressure and stress of creating your architectural vision by handling all stages from start to finish.If you're looking for an honest and diligent design company for your building project, I would only recommend Stephen from Profectus Design.

Steve Kennett

Stephen's knowledge exceeds that of most builders in the game, the quality of works he provides is second to none. I've had no issues working with him, he is responsive and always meeting deadlines.

Isaac Mourched

Hi Stephen, First of all, amazing plans mate, Best plans ever worked with, so clean and tidy,amazing job mate, I wish you all the best.

Marios Kardaris

Profectus Design completed a small project for our home, They truly do prioritise communication. We discussed our project with Stephen, which was captured perfectly with some fantastic proposals made clear to us. We loved the work, the efficiency and the communication. Would definitely be using Profectus again and referring them to everyone we know

Jacqueline & Jude

Claim Your FREE No-Obligation 30 Minute Consultation

During this no-obligation call, our experts will discuss your specific situation and how we can help you achieve a duplex or dual occupancy on your siste in the shortest time possible.
Here's what you'll discover in your FREE consultation:

What you can achieve on your existing or potential site
The exact process we've used to guide our clients from site analysis through to design, approvals, and construction - clearly and efficiently
The biggest problems people come to us with which keeps them from progressing!

Call Profectus Design on 0452 493 412 or email hello@profectusdesign.com.au to book a discovery call today.

Claim Your FREE 30-Minute Strategy Session To Discover Your Sites Potential

Book A Free Strategy Session Now