Duplex Design Melbourne
A duplex design is only as good as the site it responds to. As the design and build team behind every project we deliver, Professional Residential creates duplex designs that work with your block’s shape, orientation, and council overlay rather than around a template drawn for somewhere else.
Every design is developed in house, refined with you until it is right, and handed straight to our own construction team, so nothing gets lost between the drawing and the build.
Double Storey Duplex Designs for Narrow and Compact Blocks
Building up rather than out is often the clearest way to get two generous homes onto a block that would otherwise feel tight. A double storey duplex design lets you protect garden space, separate living areas from bedrooms, and give each dwelling its own outlook, all without asking the site to do more than it can.
Double storey designs also give you more control over privacy. Living areas can be positioned at ground level facing away from the neighbouring dwelling, while upper floor bedrooms and windows are placed to avoid overlooking the other home. On inner and established Melbourne suburbs where blocks tend to be narrow, this approach tends to outperform a single storey layout on both comfort and street appeal.
Our Duplex Design Process
1. Site and brief review
We walk your block with you, understand what you want from each dwelling, and identify any constraints the site presents.
2. Concept design
Our design team develops an initial layout for both dwellings, testing orientation, separation, and street presentation before any detail work begins.
3. Refinement
You review the concept and we adjust it, working through internal layout, outdoor space, and material direction until the design reflects what you asked for.
4. Documentation and approval
Once the design is locked in, we prepare the drawings needed for planning and building approval and manage that process with council on your behalf.
5. Handover to construction
Because design and construction sit under one roof, your approved design moves directly into our build program with nothing to renegotiate or reinterpret.
Why Design Your Duplex With Professional Residential
Designing and building under one team means the plans we draw are the plans we know how to construct, with no gap between what was designed and what gets delivered on site. Our design decisions are shaped by decades of building experience across Melbourne’s inner, eastern, south eastern, and bayside suburbs, so we design around what actually works on the ground, not just what looks resolved on paper.
Every design we produce is developed with your council’s planning requirements in mind from the outset, which keeps the approval process moving rather than sending you back to the drawing board. And because the same team carries your project from first concept through to handover, your design intent stays intact all the way to the finished home.
Where We Build
- Brighton
- Beaumaris
- Parkdale
- Edithvale
- South Yarra
- Ivanhoe
- Rosanna
- Mordialloc
- Cheltenham
- We also take on builds along the Mornington Peninsula and in regional Victoria, including alpine locations such as Mt. Buller.
Common Questions About Duplex Design
What is the difference between a duplex design and a house and land package?
A house and land package uses a set floor plan applied to a range of similar blocks. A duplex design is developed specifically for your site, taking into account its shape, orientation, and any council overlays that apply, so the result is shaped around your block rather than adapted to fit it.
Do you design duplexes that are not identical on each side?
Yes. Many of our duplex designs are asymmetrical, with each dwelling sized and laid out according to its own purpose, whether that is a larger family home on one side and a smaller dwelling on the other. A mirrored design is also an option where a balanced streetscape is the priority.
Can a duplex design be adjusted once council feedback comes back?
In most cases, yes. Council feedback is a normal part of the approval process, and our design team works through any requested changes while keeping the design as close as possible to what you originally approved.
How do you make sure the two dwellings do not overlook each other?
This is resolved at the concept stage through window placement, room orientation, and the position of outdoor living areas. Designing both dwellings together, rather than one after the other, is what allows privacy to be built into the layout from the start.
Will my duplex design work on a sloping block?
Sloping sites often suit a double storey duplex design particularly well, since split levels or a stepped floor plan can follow the fall of the land rather than fight against it. We assess the slope during the site review and design around it from the outset.
Start With a Design That Fits Your Block
Book a design consultation and we will walk your site, talk through what you want from each dwelling, and show you what a duplex design built specifically for your block could look like.