A property feasibility report links planning and site constraints to a development concept, realistic costs, likely end value and a clear go, revise or no-go recommendation. You should expect it to reference NSW Estimated Development Cost (EDC) guidance, the Australian Property Institute valuation approaches and the $3 million quantity surveyor threshold. It must also keep the regulatory EDC separate from the commercial feasibility total.
TL;DR:
- Keep NSW Estimated Development Cost separate from the commercial budget: EDC excludes land, GST, contributions, separately approved work, and ongoing maintenance.
- Commission a quantity surveyor’s EDC report for complex projects or those above $3 million, and confirm current NSW requirements before lodging.
- Use dated comparable sales and disclose assumptions; residual land value can shift sharply when build costs, sales rates, or project timing change.
- Treat CDC and EDC guidance as specific to NSW, then verify zoning, overlays, contributions, and approval rules with the relevant authority elsewhere.
- Run base, upside, and downside cases and test the break even point; if a realistic downside wipes out profit, revise before committing.
Table of Contents
- What does a property feasibility report cover?
- Seven practical steps to prepare or evaluate a feasibility report
- How do you cost a project, and what is Estimated Development Cost?
- Which approval pathway does your feasibility point to: CDC or DA?
- How is end value derived, and why do assumptions matter?
- What should you supply when commissioning or reviewing a report?
- What should a feasibility template or calculator include?
- Why an integrated feasibility platform reduces errors
- How do zoning and planning rules affect feasibility across the states?
- How should a feasibility report assess and manage risk?
- How have feasibility reports shaped real development decisions?
- How do you update a feasibility report as conditions change?
- When should you commission a full feasibility rather than a quick scan?
- How we can help with your next feasibility
- FAQ
- Sources
What does a property feasibility report cover?
Most credible reports bring together several components. If one is missing, the conclusion rests on a gap.
- Site and legal due diligence: title, zoning, encumbrances and physical or planning constraints.
- Market and end-value analysis: comparable sales, achievable yield and a sales program.
- Technical scope: concept options, floor areas, car parking and servicing implications.
- Costs, funding and programme: acquisition, consultants, construction, contingencies, holding and selling costs.
- Financial modelling: profit, margin, return metrics and tested scenarios, ending in a recommendation.
Practitioner guidance from Business Queensland treats feasibility as iterative, covering development potential, costs, completed value, profit and return, usually with a programme from approvals through to sale or letting. A profit estimate that skips site due diligence, market analysis and technical scope is a guess, not a feasibility report.
Seven practical steps to prepare or evaluate a feasibility report
Tasmanian Government guidance places feasibility work in the initiation phase, where options are examined and ranked before detailed design starts. Use these steps whether you are commissioning a report or reviewing one.
- Define the project brief and decision criteria, and record every input with its date.
- Verify title, zoning and statutory constraints through searches and mapping.
- Develop and rank realistic development options, including yield and dwelling or floor-area mix.
- Collect market evidence and comparable transactions to test the end value.
- Prepare a full cost build-up and programme, separating EDC where required.
- Model base, upside and downside scenarios, including sensitivity to timing.
- Document assumptions and risks, then state a clear go, revise or no-go recommendation.
The ranking in step 3 matters. A report that only validates the owner's first idea has not tested anything.
How do you cost a project, and what is Estimated Development Cost?
NSW Planning's guidance on Estimated Development Cost explains that EDC is used to determine approval pathways, assessment fees and development application requirements. It is a defined planning measure, not your full project budget.
EDC excludes land, GST, developer contributions, separately approved development and ongoing maintenance. A good report shows EDC, the GST on those costs and EDC plus GST as separate lines, because GST treatment differs by planning use. The commercial total is wider and normally includes:
- Acquisition and stamp duty
- Statutory fees and consultants
- Construction and contingencies
- Finance, holding and selling costs
Cost threshold: for larger projects, NSW Planning sets out standards for quantity surveyor reports. Planning Circular PS 25-004 also includes a standard model table for developments under $3 million.
Planning Circular PS 25-004 sets out the single methodology for calculating EDC, including a standard model table for smaller developments. Mixing these approaches distorts both the fee calculation and the project return.
Which approval pathway does your feasibility point to: CDC or DA?
Feasibility inputs shape the likely pathway, but they do not decide it. The NSW Planning Portal's CDC guidance describes complying development as a fast-track approval for straightforward developments, and requires the estimated cost of work including GST.
A CDC application typically asks for:
- The estimated cost of work including GST, entered as a plain number
- Development details and the proposed development type
- Certifier or practitioner details
- Supporting documents uploaded with the application
Step-by-step portal instructions list each of these pages. Treat your feasibility as evidence that informs the pathway choice, then confirm with a registered certifier or the local council before you rely on it.
How is end value derived, and why do assumptions matter?
The Australian Property Institute valuation protocol recognises three approaches, each strongest in a different job:
- Market: observable transactions are the strongest evidence of what buyers pay.
- Income: best where rent or yield drives the value.
- Cost: suits replacement or construction cost questions.
Hypothetical development and residual methods combine these inputs to estimate what a site is worth after costs and profit. The API's guidance notes these analyses are highly sensitive to assumptions, so small shifts in build cost, timing or sales rates can move residual land value sharply. Reports should disclose every input and reconcile any differences between methods.
Pro Tip: Ask how residual land value changes under different build-cost and sales-timing assumptions. If the answer flips from go to no-go, the project is fragile.
What should you supply when commissioning or reviewing a report?
The output is only as good as the inputs. Gather these before you start:
- Property address, title details and site area
- Purchase price or assumed land value
- Intended development type and target dwelling or floor-area mix
- Hold or sell strategy, expected sales timing and funding assumptions
- Known constraints such as easements, contamination, heritage or tree controls
If you leave something out, the report should record it as an assumption or sensitivity rather than quietly filling the gap. Comparable sales should be dated and transparent. A report that cites undated comparables or buries its assumptions is hard to trust, however polished the spreadsheet looks.
What should a feasibility template or calculator include?
A usable template has an inputs sheet, a detailed cost build-up, a cash-flow model, sensitivity toggles and clear outputs for profit, margin and return metrics. To test one:
- Check the unit rates against current quotes.
- Confirm EDC and commercial totals are kept apart.
- Look for an explicit GST treatment.
Tools such as Diliant's real estate analyser offer sensitivity analysis and scenario comparison for readers who want to stress-test numbers. Generic templates still need adapting to the local planning regime, and every comparable should carry a date.
Why an integrated feasibility platform reduces errors
Our platform combines planning constraints, automated checks and financial analysis in a single report, so early-stage decisions rest on consistent inputs. We offer a Quick Scan for an early check, an Automated Report for fast modelling, a Founder-Reviewed Report for human verification and a Development Concierge for an in-person inspection and introductions. Integrated outputs feed both EDC and commercial modelling, which leaves fewer hidden assumptions.
How do zoning and planning rules affect feasibility across the states?
Planning rules are set state by state, so a model built for one jurisdiction cannot simply be reused in another. Each state and territory has its own planning legislation, zoning scheme, approval pathways and fee structure. The same block of land can carry very different permitted uses, height limits, density controls and approval timeframes depending on where it sits.
That is why a feasibility must start with the controls that apply to your address, not with national averages. The approval pathway also differs: this article's CDC and EDC detail is specific to NSW, where the planning authority uses EDC to set pathways and fees. In other jurisdictions, check the relevant state planning department or local council for how costs, contributions and approval categories are defined.
Three checks protect you in any state. First, confirm the zone and its permitted and prohibited uses. Second, identify overlays such as heritage, flooding, bushfire or environmental constraints that cut developable area. Third, confirm infrastructure or developer contributions, which sit outside EDC in NSW but still reduce your margin. Where the site sits in a different state, treat any NSW-based benchmark as a prompt for questions, not an answer, and ask the local authority to confirm the controls in writing.
How should a feasibility report assess and manage risk?
Risk assessment works best when it is built into the model rather than added as a closing paragraph. A strong report identifies each material risk, estimates its effect on the numbers and says what would trigger a change of course.
Common categories include:
- Planning risk: the approval pathway, conditions or timeframe differ from the assumption.
- Cost risk: construction prices rise or contingencies prove too thin.
- Market risk: sales rates slow or end values fall short of the comparables.
- Finance and timing risk: a longer programme raises holding costs and interest.
- Tax risk: GST treatment changes the apparent margin.
On that last point, ATO rulings on development arrangements show GST treatment varies by transaction type and can materially affect project economics. Your report should state its GST assumptions and have them checked by a property tax adviser where relevant.
The practical tool is the scenario table: a base case, an upside and a downside, each showing profit and margin. Add a break-even test that shows how far costs can rise or values can fall before the project stops working. If a modest, realistic downside erases the profit, that is the finding the report exists to deliver.
How have feasibility reports shaped real development decisions?
The examples below are illustrations of how decisions typically turn, not reported results.
Take a hypothetical owner planning townhouses on a corner block. The first model shows a healthy margin. A closer check of title and overlays reveals an easement along one boundary that removes a dwelling, and the revised concept no longer clears the owner's target margin. The report's recommendation moves from go to revise, and the owner redesigns before paying for architectural drawings.
In a second illustration, an investor expects a quick sale of finished units. The sensitivity run shows that a delay in sales eats most of the profit through extra interest and holding costs. The investor chooses to hold and lease instead, which the report had modelled as an alternative. Professional guidance links programme to return for this reason: projects with the same nominal profit can carry very different risk-adjusted returns when timing differs.
An approval-focused review finds the project is a larger development. The owner commissions a quantity surveyor's EDC report early, avoiding a fee dispute later. In each case the report did not predict the future. It exposed a weak assumption while changing course was still cheap.
How do you update a feasibility report as conditions change?
A feasibility is a snapshot, so it needs a refresh whenever a key input moves. Treat the first version as a baseline and keep a dated log of every revision.
Triggers worth a formal update include:
- A change in zoning, controls or the approval pathway
- Revised builder quotes or a new quantity surveyor estimate
- Fresh comparable sales that move your end values
- Changes in interest rates, funding terms or the hold or sell strategy
- A site discovery such as contamination, heritage or a boundary issue
When you update, change one assumption at a time so you can see which one moved the result. Replace old comparables with recent, dated ones rather than adding new evidence on top of stale figures. Re-run the base, upside and downside cases and compare them with the previous version.
If the recommendation changes, say so plainly and explain why. A report that quietly shifts its numbers without a record of what changed loses credibility with lenders, partners and approval authorities alike. Revisit the whole document at each stage gate: before purchase, before lodging an application and before committing to construction.
When should you commission a full feasibility rather than a quick scan?
My view is simple: match the depth of the report to the size of the decision. A quick scan is enough to decide whether a site deserves further money. A full feasibility, with a quantity surveyor's EDC for complex projects or anything above $3 million, belongs before you commit to purchase or lodge an application. The errors I see most are treating EDC as total cost, leaving assumptions undisclosed and ignoring how time on the market erodes returns.
— Ashton
How we can help with your next feasibility
We built our reports so you can get from a first question to a defensible answer without chasing several consultants. Here is how our offers line up with common needs:
- Quick Scan: a fast early check of a site before you spend more.
- Automated Report: quick, structured modelling for a detailed first-pass feasibility.
- Founder-Reviewed Report: the same analysis with human verification of the conclusions.
- Development Concierge: an in-person site inspection, a strategy session and introductions to professionals.
If you need a quick answer, start with a Quick Scan. If you are close to committing money, request a Founder-Reviewed Report. You can order either at Sitescope; current prices are on the site.
FAQ
What is a feasibility study in real estate?
It is a structured assessment of whether a development makes sense. It connects planning and site constraints to a concept, costs, expected revenue and a go, revise or no-go recommendation. Government project guidance describes it as an early-phase activity that ranks options and concludes with recommendations.
How much does a feasibility study typically cost?
Cost depends on the site, the project's complexity and the depth of analysis, so there is no single fair figure. Our offers range from a Quick Scan to a Development Concierge; current prices are on our website. Ask any provider what is included, especially whether a quantity surveyor's EDC report is part of the scope.
What are the seven steps in conducting a feasibility study?
Define the brief and decision criteria, verify title and planning constraints, develop and rank options, test market evidence, build the cost and programme, model scenarios, then document assumptions and a recommendation. The numbered list earlier in this article walks through each step.
What are the five major components of a feasibility study?
The five components include site and legal due diligence, market and end-value analysis, technical development scope, costs with funding and timing, and financial modelling with a recommendation. A report missing any of the five leaves a gap in the reasoning.
Sources
Start with these references for regulatory and technical checks: