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Dual Occupancy & Townhouse Feasibility: 2026 Melbourne Cost Guide
Unlock the maximum ROI on your property with data-backed feasibility and expert planning insights.
Most property developments fail—not because of the build, but because of the maths. To ensure your project is profitable, you need more than a "ballpark" figure; you need a vetted breakdown of 2026 construction costs, council contributions, and planning risks.
The 2025 Cost Benchmark (At a Glance)
Project Type Est. Build Cost (sqm) Total Project Range
Standard Double storey Dual Occ $2,700 - $3,300 $750k - $950k
Premium Side-by-Side $3,400 - $3,800 $0.9M - $1.64
Multi-Unit (3+) $2,600 - $3,600Site
Subdivision Only $45k - $65k/lot subject to site conditions
Please note all data shown is general in content. A detailed costing is required for greater accuracy.
Why Feasibility is Your Most Important Investment
Interactive Feasibility Insights
Dual Occupancy Feasibility & Townhouse Costs and interactive charts Melbourne 2026. Activate the Report and manipulate the data to visualise costs and profitability.
Understand Your Site’s True Potential Before You Commit
A Dual Occupancy development can be a highly profitable and strategic use of residential land—but only when the numbers stack up.
Our Pre-Development / Pre-Purchase Feasibility service gives you a clear, data-driven assessment of whether your site can support two double-storey dwellings, what the project is likely to cost, and what returns you can expect.
This feasibility is ideal for buyers, investors, and homeowners wanting confidence before making a major decision.
What’s Included in Your Pre-Purchase Dual Occupancy Feasibility
2. Quick Building Estimate (Before Full Drawings)
You receive a Quick Building Estimate based on typical construction rates for double-storey Dual Occ dwellings.
This early estimate gives you confidence in the project before investing in detailed drawings or engineering.
Note:
A detailed construction costing can be completed once final design drawings and engineering are available.
All building elements—including demolition—are costed using actual measured quantities.
We hold the qualifications and experience to manage planning approvals with any Victorian council efficiently
We provide expert dual occupancy guidance across all 79 Victorian councils, from metropolitan Melbourne to regional and rural areas. Whether your property falls under Alpine, Ararat, Ballarat, Banyule, Bass Coast, Baw Baw, Bayside, Benalla, Bendigo, Borough of Queenscliffe, Brimbank, Buloke, Campaspe, Cardinia, Casey, Central Goldfields, Colac Otway, Corangamite, Darebin, East Gippsland, Frankston, Gannawarra, Glen Eira, Glenelg, Golden Plains, Greater Bendigo, Greater Dandenong, Greater Geelong, Greater Shepparton, Hepburn, Hindmarsh, Hobsons Bay, Horsham, Hume, Indigo, Kingston, Knox, Latrobe, Loddon, Macedon Ranges, Manningham, Mansfield, Maribyrnong, Maroondah, Melbourne, Melton, Mildura, Mitchell, Moira, Monash, Moonee Valley, Moorabool, Moreland, Mornington Peninsula, Mount Alexander, Moyne, Murrindindi, Nillumbik, Northern Grampians, Port Phillip, Pyrenees, Queenscliffe, South Gippsland, Southern Grampians, Stonnington, Strathbogie, Surf Coast, Swan Hill, Towong, Wangaratta, Warrnambool, Warrnambool, Wellington, West Wimmera, Whitehorse, Whittlesea, Wodonga, Wyndham, Yarra, Yarra Ranges, Yarriambiack, and Yarra Valley councils, our professional team has the knowledge and experience to manage planning approvals, liaise with officers, and ensure compliance with local regulations. No matter which council governs your property, we provide tailored dual occupancy solutions that meet planning requirements, optimise yield, and streamline the approval process.
3. Full Construction Cost Breakdown when drawings are completed
Every major building element is included, from:
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Demolition of existing dwelling
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Site preparation
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Foundations
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Frame & lock-up
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Brickwork and cladding
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Roofing
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Windows & glazing
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Plumbing, electrical & services
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Internal fit-out
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External works & landscaping
We also include:
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5% construction contingency
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Marketing costs
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Council contributions (5% of land value if required by your council)
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Based on $300,000 land valuation component: $15,000
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4. Optional: 8-Star Energy Rating Build
If you want to target a higher-end, energy-efficient product, we can model:
Higher insulation performance
Glazing upgrades
Thermal bridging reduction
Energy-efficient services
Solar PV integration
Lightweight vs brick comparative performance
We provide:
Cost uplift estimate
Lifecycle cost benefits
Thermal performance comparison
Ready to Assess Your Dual Occupancy Site?
Whether you already own land or are considering a purchase, our feasibility gives you the confidence to move forward—or walk away.
Get your Pre-Development / Pre-Purchase Feasibility today.
Cashflow Analysis (Optional Quick Building Estimate prior to drawings completed)
Purpose: Shows month-by-month cash outlays to visualize how money flows during construction. Special request.
ComponentCost (AUD)% of Total Demolition & Site Prep 20,000 4% Excavation & Foundations 50,000 10% Ground Floor Brickwork 70,000 14% First Floor & Roof 60,000 12% External Cladding & Glazing40,0008% Carpentry & Joinery50,00010% Mechanical & Electrical60,00012% Finishes & Painting50,00010% Landscaping & External Works20,0004% Contingency (5%)63,6255% Total503,625100%
Our Fees for our Services- Feasibility, Town Planning Permit and Building Permit
Swarup turned his first home - set amongst his neighbours' Victorian mansions, pools, tennis court, cricket pitch- into his dual occupancy subdivision.
