Due diligence is the single most important phase of any commercial property acquisition. It is the process that separates informed investors from those who discover problems after settlement -- when the cost of fixing them is significantly higher and the leverage to negotiate has disappeared entirely.
A structured due diligence framework should cover five distinct areas, each designed to surface risks that could affect a property's value, income, or long-term viability. We share this checklist because we believe every buyer — whether working with a buyer's agent or going it alone — deserves to understand what thorough due diligence actually looks like.
Most investors cover two or three of these five areas. The risks they miss are precisely where the problems tend to emerge.
1 Legal Due Diligence
Legal due diligence establishes whether you can own the property cleanly, use it for your intended purpose, and avoid inherited liabilities. It is the foundation upon which every other assessment rests.
- Title search and ownership verification. Confirm the vendor has clear title to sell. Identify any caveats, mortgages, or claims registered against the title.
- Encumbrances and easements. Review all registered easements, covenants, and restrictions. Understand how they affect the use of the property, particularly for future development or modification.
- Zoning and planning controls. Verify the property's zoning classification and confirm that the current use (and your intended use) is permitted. Review any overlays, heritage listings, or environmental controls that may apply.
- Planning permits and approvals. Obtain copies of all existing planning and building permits. Confirm that all works on the property have been properly approved and that no enforcement actions are pending.
- Environmental certificates. Request a Section 32 or equivalent disclosure statement. For industrial or former industrial sites, obtain Phase 1 (and if necessary, Phase 2) environmental site assessments to identify contamination risks.
We engage a specialist property solicitor to manage the legal review, but we actively participate in interpreting findings and assessing their impact on the investment case.
2 Financial Due Diligence
Financial due diligence answers the fundamental question: does this property deliver the income and return profile that justifies the purchase price? It requires going well beyond the vendor's marketing materials.
- Lease review. Analyse the full lease documentation -- not just the heads of agreement or a summary. Understand the rental amount, payment frequency, review mechanisms, permitted use, and any special conditions.
- Rental income analysis. Verify current rental income against market evidence. Determine whether the passing rent is above, below, or at market rate, and understand the implications for future rent reviews and vacancy risk.
- Outgoings analysis. Obtain a full schedule of outgoings including council rates, water, land tax, insurance, body corporate fees (if applicable), and management costs. Determine which outgoings are recoverable from tenants and which are borne by the owner.
- Capitalisation rate assessment. Calculate the capitalisation rate based on the net income and compare it against recent comparable sales in the precinct. Understand what the cap rate implies about the market's view of the asset's risk profile.
- Comparable sales analysis. Review recent sales of similar properties in the area to establish a defensible view of market value. Adjust for differences in lease profile, building quality, land area, and location.
We build a detailed financial model for every acquisition that stress-tests the investment against different scenarios: vacancy, rental decline, interest rate movements, and capital expenditure requirements.
3 Physical Due Diligence
Physical due diligence assesses the condition of the building and identifies any maintenance, repair, or capital expenditure requirements that could affect the property's value or income.
- Building inspection. Engage an independent building inspector to assess the overall condition of the structure, including walls, floors, ceilings, windows, doors, and common areas.
- Structural engineer report. For older buildings or where the building inspection identifies concerns, commission a structural engineer's assessment of the load-bearing elements, foundations, and structural integrity.
- Asbestos and hazardous materials. Obtain an asbestos register and management plan (required for all commercial buildings built before 2004). For industrial properties, assess the potential for other hazardous materials including lead paint, PCBs, and chemical storage residues.
- Essential services compliance. Confirm that all essential safety measures -- fire detection, sprinklers, emergency lighting, exit signage, mechanical ventilation -- are current and compliant with the relevant building code and Australian Standards.
- Roof and facade condition. Specifically assess the condition of the roof membrane, guttering, downpipes, and external cladding. Roof replacement is one of the most significant unplanned capital costs in commercial property ownership.
Physical issues are not necessarily deal-breakers. They are negotiating tools. A well-documented building condition report gives you the evidence to adjust your offer price or negotiate vendor rectification works before settlement.
4 Tenant Due Diligence
The tenant is your income source. Understanding their financial health, their commitment to the premises, and the terms of their occupancy is essential to assessing the reliability of the property's cash flow.
- Tenant financial health. For listed or large private tenants, review publicly available financial statements, credit ratings, and industry outlook. For smaller tenants, request trading history or references where possible.
- Lease terms and conditions. Go beyond rent and term. Understand permitted use clauses, assignment and subletting rights, fit-out contributions, and any incentives that may have been provided at lease commencement.
- Rent review mechanisms. Confirm how and when rent reviews occur. Fixed increases, CPI-linked reviews, and market reviews each carry different risk and return profiles. Understand the methodology and timing for each.
- Option periods. Identify any options to renew. While options provide income certainty, they also lock in terms that may become unfavourable if the market moves. Assess whether the option terms are at or below market.
- Make-good clauses. Review the make-good obligations at lease expiry. A well-drafted make-good clause protects the owner from inheriting a building that has been modified or degraded during the tenancy. A poorly drafted one can leave you with significant reinstatement costs.
A long lease with a weak tenant is not a defensive investment. It is a risk disguised as security. Always verify the tenant's capacity to honour the full lease term.
5 Market Due Diligence
Market due diligence places the property in context. It answers whether the asset is likely to maintain or grow its value and income in the years ahead, based on supply and demand dynamics in the broader market.
- Supply pipeline. Research upcoming developments and new supply coming to the precinct. Significant new supply can put downward pressure on rents and increase vacancy, even for well-located assets.
- Vacancy rates. Obtain current vacancy data for the submarket from research houses or commercial agents. Understand the trend -- is vacancy rising, stable, or falling -- and what that implies for rental growth prospects.
- Competing developments. Identify any approved or proposed developments in the immediate vicinity that could compete directly with your property for tenants.
- Infrastructure projects. Research planned transport, road, and utility infrastructure projects that could positively or negatively affect the property's accessibility and desirability.
- Demographic and economic trends. For retail and some office assets, understand the demographic profile and economic outlook for the catchment area. Population growth, employment trends, and income levels all influence tenant demand and rental capacity.
Market due diligence requires access to quality data and the experience to interpret it. We subscribe to major research platforms and maintain relationships with commercial agents across all major markets to ensure our market assessments are current and well-informed.
How Bold Brings It All Together
Managing due diligence across five distinct areas requires coordination between multiple specialists: solicitors, building inspectors, structural engineers, environmental consultants, valuers, and financial analysts. At Bold, we act as the central coordinator for this entire process.
We brief each specialist, manage timelines, review every report as it comes in, and synthesise the findings into a comprehensive recommendation for our client. That recommendation includes a clear assessment of the risks identified, their financial impact, and our view on whether the acquisition should proceed, be renegotiated, or be abandoned.
This is where our value becomes most apparent. Individual reports are useful, but they need to be read together. A building inspection that identifies minor roof repairs becomes a different proposition when combined with a lease analysis showing the tenant has a break clause in eighteen months. Context matters, and it is context that we provide.
Due diligence is not a formality. It is the process that determines whether you are making an informed investment or an expensive mistake. Take it seriously, resource it properly, and never skip a section because you are in a hurry to settle.
If you are preparing for a commercial property acquisition and want a team that treats due diligence as a discipline rather than a checkbox exercise, we would welcome a conversation about how we can support your next purchase.