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Mare Vitae

Coastal Dual Occupancy design embodies a seamless fusion of nature and contemporary architecture. Inspired by the raw beauty of the coastline, the design integrates natural timbers, stone, and rendered finishes to create a refined yet organic aesthetic.

Luxury House - Russell Lea

Two storey luxury home via CDC boasting large open living with plenty of natural light. Masterpiece pool and outdoor entertaining with first floor garden roof and raw concrete finish.

Zenith House - Georges Hall

Development Application for a Luxury Home, boasting a minimalist design, large open carport and concrete finishes.

Horizon House - Barden Ridge

Development Application for a rear extension for a new outdoor entertaining area opening onto an inground swimming pool.

Harmony Duplex - Kingsgrove

Development Application for a sustainable dual occupancy boasting 4 bedrooms, open plan living opening onto an outdoor entertaining area with inground pool to both units.

Custom Dual Occupancy Homes & Duplex Designs by Profectus Design

At Profectus Design, we specialise in creating stunning dual occupancy homes and custom duplex designs tailored to needs of modern living. Whether you're developing for investment, family, or lifestyle, our Sydney-based team brings a wealth of architectural expertise and a strong focus on design and build solutions. Our unique approach combines smart planning, council-ready designs, and contemporary aesthetics, making your duplex home both functional and future-proof.

From home design duplex to full design & build services, we deliver solutions that maximise space, value, and liveability. As trusted home designers in Sydney, we offer innovative options for dual occupancy homes designs, duplex designs, and custom architecture home design across a range of block sizes and budgets.

Let Profectus Design guide your next development with precision, creativity, and proven results.

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Luxury Home Design Plans for Modern Living

We specialise in creating timeless, high-end luxury home design plans for discerning homeowners across Sydney and New South Wales. Whether you're dreaming of a bold architectural statement or a refined family retreat, our expert team delivers bespoke home design solutions that combine form, function, and flair.

We offer a full suite of services — from architecture home design to design & build partnerships — guiding you through every step of the journey. Our process is collaborative and council-savvy, making it easy for you to navigate everything from early feasibility studies to DA/CDC approvals and final construction documentation.

Looking to transform your existing property? Our knockdown rebuild service allows you to start fresh on the land you love, reimagining it with a brand-new custom-designed home tailored to your lifestyle and future needs.

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Terrace Home Design That Maximises Space & Style

We specialise in contemporary terrace home design that turns tight blocks into high-performing, visually stunning homes. Whether you're developing multiple terraces or designing your dream inner-city residence, our team delivers thoughtful, high-impact solutions that make every square metre count.

From sleek, modern facades to efficient floorplans and natural light strategies, our designs are crafted to feel spacious, luxurious, and connected — even on compact sites. We understand how to work with planning controls, setbacks, and streetscape requirements to ensure your terrace home is not only beautiful but compliant and buildable.

With a deep understanding of inner-city living and a flair for detail, we deliver home design solutions that balance privacy, functionality, and street appeal. Whether you want arched windows, face brick, parapet walls, or a modern façade twist — we design with intent, not imitation.

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Alterations & Additions Tailored to Your Home

Clever, creative alterations and additions that breathe new life into existing homes — whether it’s a growing family, a changing lifestyle, or a long-overdue upgrade driving the change.

From small-scale extensions to major structural redesigns, we deliver custom home design solutions that work with what you have and elevate it to what you need. Every project is carefully tailored to enhance flow, light, storage, and functionality — all while respecting your budget and timeline.

We listen to what you love (and what you don’t) about your current home — then reimagine it with thoughtful, site-specific design that brings out the best in your property. Whether it's opening up a kitchen, adding bedrooms or bathrooms, or creating a flowing indoor-outdoor connection, we’re here to guide you from concept to council approval and beyond.

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