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Dual Occupancy Made Clear: Pre-Development & Pre-Purchase Feasibility Insights
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
1. Site Assessment & Planning Review
We assess your site’s constraints and opportunities, including:
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Zoning & Overlays
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Minimum private open space
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Setbacks & site coverage
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Vehicle access & parking
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Council policy expectations
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Suitability for two double-storey dwellings (150sqm each)
Your site:
600 sqm (approx.)
Proposed: Two × 150sqm double-storey dwellings
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 architectural 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
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. Development Financials (Option 1)
Land Purchase
Land cost: $550,000 + acquisition costs
Projected Revenue
Estimated sale price per dwelling: $690,000
Total projected revenue: $1,380,000
Total Development Cost Includes:
Land
Construction
Consultant fees
Council contributions
Services
Contingencies
Marketing
Holding costs (if relevant)
A full feasibility summary is provided with:
Total Development Cost (TDC)
Gross Realisation Value (GRV)
Developer Margin
Return on Cost (ROC)
Sensitivity analysis (if requested)
5. 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
Why Complete a Pre-Development Feasibility?
Because clarity upfront saves you:
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Time
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Money
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Stress
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Risk of choosing the wrong site
You’ll know:
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If the site is suitable
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What you’re likely to spend
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What you’re likely to make
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Where your biggest risks lie
This HIGH LEVEL feasibility is your decision-making foundation.
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.
Building Cost Bar Chart
Purpose: Shows how much each construction component costs.
ComponentCost (AUD)% of Total Demolition & Site Prep20,0004% Excavation & Foundations50,00010% Ground Floor Brickwork70,00014% First Floor & Roof60,00012% External Cladding & Glazing40,0008% Carpentry & Joinery50,00010% Mechanical & Electrical60,00012% Finishes & Painting50,00010% Landscaping & External Works20,0004% Contingency (5%)63,6255% Total503,625100%
Cashflow Analysis (Quick Building Estimate prior to drawings completed)
Purpose: Shows month-by-month cash outlays to visualize how money flows during construction.
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.
