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// WORKED EXAMPLETHE ARITHMETIC A DECISION RESTS ON

Growth Capex: a Worked Example

The cash leaves this year. The earnings arrive in two.

BY MICHAEL SHANG · SIXTEEN YEARS IN COMMERCIAL BANKING · UPDATED · 5 MIN READ

// THE SHORT ANSWER

A lender treats growth capex as the part of capital spending a borrower could stop without harming the business it already has: new sites, new lines, new capacity. That is why it is kept out of the lender's own free cash flow and handled separately in covenant definitions and facility structures. The cost is that growth spending is paid long before it earns, so debt and leverage rise first and EBITDA catches up later, if the project works. And because the borrower decides which spending carries the growth label, a lender tests the split against the asset register and the depreciation charge.

BASIS  Practitioner judgment from sixteen years in commercial banking, set out in How Bankers Think (Highbank Press, 2026). Every borrower on this site is a composite constructed for teaching, not a client. The market is mid-market commercial lending as practised in New Zealand and Australia; where a convention differs elsewhere, the page says so.

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// 01 — WHY A LENDER TREATS IT AS OPTIONAL

A business has to keep its existing machines, vehicles and premises working or its earnings fall away. That spending is maintenance capex, and a lender deducts it before it counts any cash as available for the bank. Spending that builds something the business does not yet have is different in kind. If trading turns, the business can postpone the new site and keep earning from the old ones; it cannot postpone the conveyor that has stopped.

So growth capex sits outside the lender's core reading of cash flow and inside its reading of risk. The money is real and leaves the business, but the question it raises is not whether the existing business can service its debt. It is whether the expansion will earn enough, soon enough, to justify the debt it adds while it is being built. IAS 7, as adopted in New Zealand and as AASB 107 in Australia, encourages businesses to disclose the two kinds of spending separately for the same reason; few mid-market accounts do.

// 02 — HOW THE SPLIT IS MADE

Growth capex = total capex − maintenance capex
Lender's free cash flow = EBITDA − tax paid ± working capital − maintenance capex

The subtraction is easy; the maintenance figure is not. A lender works from the borrower's capex schedule project by project and asks of each one: does it add capacity, products or sites the business did not have, or does it replace something that was wearing out? Then it checks the result. Maintenance well below depreciation for several years suggests replacements have been relabelled as growth, which the capex-to-depreciation ratio is designed to catch. A project that does both, such as replacing an old machine with a faster one, is usually split: the cost of a like-for-like replacement is maintenance, and only the extra is growth.

// 03 — THE EXAMPLE

A car-wash operator with six sites, constructed for this page like every figure in it, earns EBITDA of US$5.0m, spends US$1.0m a year keeping its washes running, pays tax of US$0.6m, holds its working capital flat and owes US$10.0m. It plans two new sites costing US$3.6m, funded by a US$2.4m term loan and US$1.2m of its own cash. The sites take the year to build and earn nothing in it. Debt service rises to US$2.5m: interest of US$1.0m and principal of US$1.5m. Figures are in US$m.

Cover in the build year, three definitions:
Maintenance only: (5.0 − 1.0 − 0.6) ÷ 2.5 = 3.4 ÷ 2.5 = 1.36×
Own-cash capex too: (5.0 − 1.0 − 1.2 − 0.6) ÷ 2.5 = 2.2 ÷ 2.5 = 0.88×
All capex: (5.0 − 1.0 − 3.6 − 0.6) ÷ 2.5 = −0.2 ÷ 2.5, below zero
Leverage as the sites open and ramp up:
Before the build: 10.0 ÷ 5.0 = 2.00×
Loan drawn: 12.4 ÷ 5.0 = 2.48×
End of build year: 10.9 ÷ 5.0 = 2.18×
First full year: 9.4 ÷ 5.6 = 1.68×
Second full year: 7.9 ÷ 6.4 = 1.23×

The same year reads as cover to spare, as cover below one or as a business burning cash, depending only on which capex the definition takes off. None of the three is wrong; each answers a different question. The leverage path shows the shape of every expansion: debt rises at once, and the earnings that bring the multiple back down arrive over two years, on the borrower's forecast that each new site earns US$0.3m in its first full year and US$0.7m in its second. If they reach half that, the second full year reads 7.9 ÷ 5.7, or 1.39 times. The figures are the example's, not a market norm.

// 04 — HOW IT DIFFERS FROM MAINTENANCE CAPEX

The difference lies in purpose, not in the asset. A new wash tunnel is maintenance at a site where it replaces a worn one and growth at a site that did not have one. The distinction also has an expiry date. Growth spending is optional only until it is contracted: once the builder is engaged and the equipment ordered, a half-finished site is a cost the business cannot walk away from without loss. A lender reading a plan therefore asks how much of the growth capex is already committed, and how much could still be stopped.

DEFINED IN ONE PARAGRAPH → · MAINTENANCE CAPEX → · LENDER'S FREE CASH FLOW →

// 05 — WHERE IT DECIDES A FILE

It decides three parts of the document. The cash flow covenant: whether the definition deducts all capex, only maintenance, or capex paid from the business's own cash, as in the example, is a negotiated term and moves the ratio more than most trading surprises. The capex covenant: a lender worried about expansion may cap total spending, or allow growth spending only while leverage stays below a level. And the facility itself: growth capex is often funded by a separate tranche drawn against the project, so the lender sees each draw and the borrower's own cash is not quietly spent on bricks.

CAPEX COVENANT → · CASH FLOW ANALYSIS FOR LENDING →

// SOURCES

The documents the statements on this page rest on. Each was opened and checked when cited.

  1. Australian Accounting Standards Board, AASB 107 Statement of Cash Flows (compiled, June 2023), the Australian text of IAS 7 — paragraphs 50(c) and 51 — Encourages, without requiring, separate disclosure of cash flows that increase operating capacity and those required to maintain it, and explains why the split matters to users — section 01.

// QUESTIONS PEOPLE ASK

What is the difference between growth capex and maintenance capex?
Maintenance capex keeps the business's existing capacity working: replacing worn equipment, refurbishing premises, renewing vehicles. Growth capex adds something the business did not have: a new site, a new product line, more capacity. The same asset can be either, depending on what it replaces. Lenders care about the split because maintenance spending has to be paid before debt service, while growth spending can usually be delayed if trading weakens.
How do you calculate growth capex?
Take total capital spending and subtract an estimate of maintenance capex. Analysts working from public accounts often estimate maintenance from depreciation, or from the assets each extra dollar of sales has needed in the past. A lender with access to the borrower can do better: it reads the capex schedule project by project, classifies each, and then tests the maintenance total against the depreciation charge and the age of the main assets.
Is growth capex included in free cash flow?
It depends on whose free cash flow. An equity analyst's free cash flow usually deducts all capital spending. A lender's own free cash flow deducts maintenance capex only, to see what the existing business can pay. Covenant definitions vary deal by deal: some deduct all capex, some only maintenance, and some only the capex the business paid from its own cash rather than from new debt or equity. The definition has to be read each time.
Can a business stop growth capex in a downturn?
Often, but only for the part not yet committed. A project that has not started can be postponed with little cost. One under way, with contracts signed and equipment ordered, usually has to be finished or abandoned at a loss. That is why a lender asks how much of a capex plan is contracted, and why a facility for expansion is often drawn in stages, so that spending can stop between stages.

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// ON WHOSE DESK

The seats that read this term in an ordinary week. Each page says what the seat is for, who arrives in it, and the shape of the round it runs.

  • Credit analystReads a borrower and writes the recommendation a decision-maker will act on.
  • Credit sanctionerHolds delegated authority and signs — or declines — the lending the front line brings.
  • Portfolio managerOwns the credit on a book after the money is out — reviews, covenants, ratings and early warning.

THE IN-TRAY · ONE MINUTE

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THE FIRST QUESTION · THE LOAN · CAPACITY

Two borrowers each carry debt of three times EBITDA. One sells software on three-year contracts; the other builds new houses for sale.

Is three times the same risk for both?

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