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3 Australian Infrastructure Stocks Linked To Airport Expansion Spending

Simply Wall St·07/29/2026 13:16:39
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Airports are back in the spotlight after Heathrow won approval to recover £320m of early expansion costs by gradually raising airline charges, with a smaller £4.1m recovery also agreed for rival project Heathrow West. For investors, this kind of regulatory shift can reshape the economics of long term infrastructure projects and ripple through to construction, engineering and related services. The Civil Aviation Authority plans to keep a cap on what can be recovered, yet the decision still points to sustained investment in major transport hubs. This article looks at 3 stocks exposed to this news and how they could be affected.

SHAPE Australia (ASX:SHA)

Overview: SHAPE Australia Corporation is a Sydney based construction group that focuses on commercial fitouts, refurbishments, modular builds and facade remediation, delivering projects for offices, hospitals, schools, hotels, government and major transport and defence facilities across Australia.

Operations: SHAPE Australia generates all of its A$1.0b in revenue from heavy construction projects within Australia.

Market Cap: A$547.0m

Investors looking at infrastructure related opportunities may find SHAPE Australia interesting because it sits in a troubled sector yet reports high returns on equity, strong earnings growth and high quality earnings, supported by a shift toward fitout, modular construction and recurring facilities maintenance work. The company is also screening as undervalued against Simply Wall St estimates and analyst targets, although its P/E sits slightly above some peers. Risks include a patchy dividend history, reliance on external borrowing to fund liabilities and a relatively low proportion of independent directors. With Heathrow style infrastructure spending back in focus and SHAPE exposed to transport and government projects, there is more to this story than a typical construction stock suggests.

SHAPE Australia’s high returns on equity and quality earnings profile are getting attention. However, the real story may sit in the detail of its project mix, balance sheet and valuation. Get the full picture in the analysis report for SHAPE Australia

SHA Discounted Cash Flow as at Jul 2026
SHA Discounted Cash Flow as at Jul 2026

Symal Group (ASX:SYL)

Overview: Symal Group is a Melbourne based civil construction and infrastructure contractor that handles everything from major roads, bridges and defence projects to recycling, remediation and material supply, backed by its own plant and equipment fleet and in house trades and engineering teams.

Operations: Symal Group generates A$801.4m of revenue from Contracting Services, A$187.8m from Plant and Equipment and a small loss of A$1.0m from Other and Eliminations, with all A$986.9m earned in Australia.

Market Cap: A$669.6m

Symal Group is attracting attention because it sits at the crossroads of several long term themes, from data centers and AI facilities to renewables, defence and now potential airport related projects that could benefit from decisions like Heathrow’s cost recovery approval. The stock is trading below one DCF estimate of fair value, analysts see potential upside to their price targets, and published earnings and revenue forecasts indicate expectations for continued growth along with high returns on equity. Symal also relies heavily on external borrowing, is still integrating acquisitions and has a relatively new management team, so execution and governance remain key watchpoints that investors may wish to understand in more depth before forming a view.

Symal Group’s contracting engine and airport exposure could be masking a much bigger story around growth and capital intensity. Before the next project wave hits, unpack the analyst forecasts for Symal Group that could change how you see the stock.

SYL Discounted Cash Flow as at Jul 2026
SYL Discounted Cash Flow as at Jul 2026

Southern Cross Electrical Engineering (ASX:SXE)

Overview: Southern Cross Electrical Engineering is a Perth based contractor that designs, installs and maintains electrical, communications, security and fire systems across commercial buildings, resources projects, infrastructure and decarbonization assets such as solar and wind farms.

Operations: Southern Cross Electrical Engineering generates A$691.2m from Electrical, Security and Communication Services and a Segment Adjustment of A$62.0m, with all A$753.1m of revenue earned in Australia.

Market Cap: A$1.3b

Southern Cross Electrical Engineering provides exposure to both Australia’s data center buildout and a potential upswing in airport and runway work, which ties directly into the Heathrow cost recovery decision and similar infrastructure spending. The company has a record order book, strong tender activity and forecasts for faster revenue and earnings growth that indicate how its operations are linked to long term digital and transport infrastructure projects. The recent A$46.1m one off loss and thin 0.4% margin highlight why contracting risk, litigation history and reliance on external borrowings remain important considerations. In addition, recent equity raisings and relatively low current returns on equity result in a complex but interesting setup that warrants a closer look at what sits behind the headline numbers and project pipeline.

Southern Cross Electrical Engineering’s order book and tender pipeline hint at a business that could be accelerating faster than headline earnings suggest. The real twist sits inside the analyst forecasts for Southern Cross Electrical Engineering that might reframe both the opportunity and the risk profile investors think they understand

ASX:SXE Earnings & Revenue History as at Jul 2026
ASX:SXE Earnings & Revenue History as at Jul 2026

The three stocks in this article are only a starting point, and the full Infrastructure and Construction Sector screener has identified 41 more companies with equally compelling narratives through the Infrastructure and Construction Sector screener. Use Simply Wall St to identify and analyze the specific catalysts and narratives that matter to you so you can focus on the highest conviction infrastructure and construction ideas.

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If Southern Cross Electrical Engineering or any of these companies sound like a great opportunity, register for FREE with Simply Wall St and add your companies to a Watchlist to monitor the share price against the fair value the ideal entry point. Once you've made your move, manage your holdings with our Portfolio Command Center that filters out the noise to deliver only the most critical, actionable updates. Throughout your journey, our Community allows you to filter the best ideas from thousands of investor perspectives. By uncovering hidden catalysts and risks early, you'll accelerate your decision-making and stay one step ahead of the market.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.