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How to Create a Capex Plan for Commercial Property: Key Inputs and Priorities

By Arun Yuvarajah, Co-Founder, Projx - a project delivery platform for leading client-side property development and capital works teams

Published on October 11, 2026

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Ever wondered what needs to be considered when owning a building asset?

  • What do we need to do to keep it alive?
  • What do we need to do to make it attractive and relevant in the current and future market?
  • What do we need to do to keep it compliant?
  • What do we need to do to satisfy shareholder interests?
  • What do we need to do to make it efficient and cost effective?

For a commercial building, planning upgrades over 2–3 years (or 10) requires strategy, not just a list of repairs.

This article is about what the major commercial REITs consider when building a capital expenditure (capex) plan. What information they draw on, how they weigh trade-offs, and how they make a call if works get done now or later.

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Key Inputs for a Capex Plan

Capex Planning
Data sources and signals for a capex plan
Here are the inputs your QS or cost planner leans on when building a capital expenditure programme.
Data source / input
What it tells you
What to do with it
Source
Condition & consultant reports
What it tells you
Façade, lifts, plant rooms, HVAC, BMU, safety systems — where wear, risk, or failures are hiding
What to do with it
Pull forward urgent items, score by risk, budget with room for more detailed scoping
Source
Existing 10-year or long-term plans
What it tells you
What's already on the radar, how works have been staged historically
What to do with it
Check overlaps with your 3-year window, adjust timing around lease expiries or tenant vacates
Source
Lease obligations & tenant needs
What it tells you
Commitments for renewals, fit-outs, or upgrades the lease requires
What to do with it
Budget these early so you're not scrambling later
Source
Asset / sustainability strategies
What it tells you
Electrification, energy efficiency, ESG goals, building upgrades tied to future performance metrics
What to do with it
Overlay those goals onto physical works. Sometimes the "green" upgrade is also the most cost-effective long-term
Source
Market & sentiment signals
What it tells you
How strong is investor appetite? Is demand for premium space rising? What are macroeconomic pressures?
What to do with it
If the market's hot, you might front-load improvements for competitive positioning
Source
Functional trends (like WFH, shared space)
What it tells you
Maybe your office doesn't need 20 meeting rooms anymore. Or you'll need hybrid infrastructure like booking systems and shared zones
What to do with it
Shape your capex toward relevancy, not just remediation
Source
New tenant leases
What it tells you
What the lease obligations are for the incoming tenant and what incentives were agreed as part of the leasing deal
What to do with it
Understand the scope of works to design, tender and build in the requirements under the lease to the incentive value

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Building consultation firms highlight that Capex & Maintenance Reports are often done over 10-year horizons, assessing where a building's fabric or systems fall short. These reports break down recommended works and forecast their cost. Also, when public entities plan capital works, formal approval frameworks look closely at scope, cost certainty and risk. The Australian government's Capital Works Approval Process shows how much weight is placed on rigorous planning and governance.

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Our blog on building a capital works budget covers how to translate condition report data and cost estimates into a structured, stage-by-stage budget.

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How To Translate Info Into a Plan

Knowing these inputs is half the work. The real challenge is shaping them into a capex roadmap that’s executable.

Here's how:

  1. ‍Filter by risk and criticality: Not every cracked tile is urgent. Use severity, safety, business disruption, and compliance as your filters.‍
  2. Check for overlaps and efficiencies: If you're redoing the façade, bundling in window or glazing upgrades might save cost. Find synergies.‍
  3. Stage projects around tenancies and occupancy: Don't plan noisy, invasive works when tenants are in. Use vacant periods or lease turnovers.‍
  4. Build in scoping and contingency time: Condition reports rarely capture all unknowns. Leave space in your timeline for surprises and design changes.‍
  5. Package works to match the funding model: If your funding is annual or segmented, slice your plan into deliverable phases, instead of one big "all or nothing" budget.‍
  6. Review market and tenant expectations: Some upgrades are aspirational - better façades, improved WFH amenities, flexible spaces. Build in optional works when budgets allow.

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The Tension and Trade-Offs

Your capex plan will always be a balancing act.

  • Do you fix what's failing now or invest in performance upgrades for future tenants?
  • Do you risk deferring because budget is tight?
  • Which works give the biggest return?
  • How do you adapt to trends like hybrid work, sustainability, or evolving tenant expectations?

You can't do it all. But you can make decisions that let you adapt, not get stuck.

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How Projx Helps Capex Planning

Most REITs and other institutional clients still do their capex budgeting and forecasting in spreadsheets. The issue is that this information is seldom transferred into delivery and information is lost or misinterpreted.

Projx provides a platform where client-side delivery teams can input the projects, the scope, budgets, relevant documents (like business cases) and schedules.

When it comes time to pick up the project, the capital works team have all the information available in one place. They don’t have to go find that asset manager that’s gone on holiday to check the scope.

Projx also allows capital works teams to ‘group’ all the projects in an asset for the capital works year, and tag it as, say “CAPEX FY25/26”. Now, all information including budgets, expenditure and cashflow is aggregated across every project in that Program of Works.

From project inception, to planning, to delivery and handover - every aspect of the project is handled in Projx, so there is continuity of information.

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The capital works portfolio management blog explores how aggregating project-level data into a program view gives asset owners the visibility they need to make better capital allocation decisions.

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Frequently Asked Questions (FAQs)

What is a capital expenditure (Capex) plan for a commercial building?

‍A Capex plan for a commercial building is a forward-looking investment roadmap that identifies, prioritises, and stages the physical works required to maintain, upgrade, and reposition a building asset over a defined period (typically two to three years or ten years). It draws on condition reports, lease obligations, sustainability strategies, market signals, and tenant requirements to determine which works are urgent, which can be deferred, and which deliver the strongest long-term return.

What information do you need to build a Capex plan for a commercial property?

‍A Capex plan draws on eight main inputs: condition and consultant reports (identifying where wear, risk, or failures are developing across façade, lifts, HVAC, and building systems); existing long-term plans; lease obligations and tenant commitments; asset and sustainability strategies; market and investor sentiment; functional trends such as hybrid work; and the scope and incentive obligations in new tenant leases. The challenge isn't gathering these inputs but weighing them against each other to produce a staged, fundable plan.

How do you prioritise works in a capital expenditure plan?

‍Prioritisation in a Capex plan is based on four filters: severity of risk (safety, compliance, and structural concerns rank first), business disruption potential, cost efficiency opportunities (works that can be bundled to reduce mobilisation costs), and strategic value (upgrades that improve competitive positioning or meet ESG commitments). Works that address critical compliance or safety failures are pulled forward regardless of cost; aspirational upgrades are staged when budgets allow and timed around tenant vacancies or lease turnovers.

What is the difference between maintenance expenditure and capital expenditure on a commercial building?

‍Maintenance expenditure covers the cost of keeping existing building systems and fabric in working condition: repairs, servicing, and like-for-like replacements that don't extend the asset's useful life or add value. Capital expenditure covers works that improve, upgrade, or extend the life of the building or its systems: façade refurbishments, HVAC upgrades, lift modernisation, and fit-out incentives. The distinction matters for accounting treatment: maintenance costs are expensed through the profit and loss account, while capital works are capitalised on the balance sheet.

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Last updated on October 11, 2026