Holdfast Bay Infrastructure Projects, SA

Coastal services economy with a transport-led project program and utility support works

Economic base

Holdfast Bay’s economy is primarily service-based, with employed residents most concentrated in health care and social assistance at 17.11%, education and training at 10.71%, professional, scientific and technical services at 8.71%, retail trade at 8.57% and accommodation and food services at 6.91%. That mix fits a coastal metropolitan council with strong everyday services, visitor-facing activity and a professional resident workforce. The area had 18,522 employed residents in 2021, a bachelor degree or higher rate of 32.32%, median household income of $1,604 and a median age of 48, pointing to an established, relatively skilled population rather than a heavy industrial labour market.

Business counts reinforce that profile. Holdfast Bay had 3,767 registered businesses and 1,256 employing businesses in June 2025, with larger counts in rental, hiring and real estate services, professional services, construction and health care and social assistance. Accommodation and food services also had 135 employing businesses, which aligns with Glenelg and Brighton’s role in local hospitality and visitor spending. Labour market conditions were tight in 2026 Q1, with a labour force of 22,457, 379 unemployed people and a 1.7% unemployment rate. Population was 39,683 in 2025, up 0.8%, with growth driven by net overseas migration of 639 offsetting negative natural increase and net internal migration.

Current project program

The current named program is concentrated in transport access works. Four of five named projects are current and two active transport jobs dominate the list: the $30m Brighton Road Intersection Improvements and the Shepherds Hill Road, Brighton Parade and Waite Street Intersection Project. The Shepherds Hill project includes new traffic lights, dedicated through lanes, right-turn lanes, bicycle lanes and pedestrian crossings, with main construction starting in late September 2025 and the intersection expected to open in early 2026. This points to a program aimed at traffic movement, safety and multimodal access on busy corridors rather than a large expansion of community facilities.

Outside transport, the current list includes an approved warehouse development in Somerton Park and construction activity at the Glenelg wastewater treatment plant. Those are practical enablement projects: one adds industrial floorspace, while the other is utility infrastructure supporting wastewater servicing in a dense coastal urban area. Separately, Hastings Street, Glenelg South was completed in June 2026 with a printed value of $1.1m, so it should be treated as finished work rather than part of the current program. Broader development activity is also elevated in approvals terms, with $95.5m in non-residential building approvals over the latest 12 months, or 1.46× the council’s own three-year average; this indicates approved work across commercial and institutional uses, not necessarily construction completion.

Economic connections

The strongest connection between the local economy and the current works is access. Holdfast Bay has meaningful retail, hospitality and service-sector exposure, plus 163 registered transport, postal and warehousing businesses and 89 wholesale businesses. The two active intersection projects align with easier vehicle, bus, cycling and pedestrian movement through busy coastal corridors, which could improve day-to-day access to shops, hospitality venues, service businesses and local freight tasks. Because the evidence describes safety, dedicated lanes and crossings at Shepherds Hill Road, the supported mechanism here is access capacity and network function rather than any quantified uplift in trade or employment.

The other clear mechanism is service and industrial enablement. The warehouse approval in Somerton Park aligns with added logistics or storage capacity for local business activity, while works at the Glenelg wastewater treatment plant support essential water servicing for residents, visitors and businesses. In an LGA with five hospitals, 26 centre-based childcare services, 6 aged care homes and a sizeable health workforce, reliable utility and road access settings matter to the operation of everyday services. Elevated non-residential approvals also suggest a currently active approvals environment, which is consistent with ongoing construction demand, although approvals are not a measure of completed building stock.

Outlook

Near-term outlook is centred on delivery and completion of the current access works. The most tangible milestone is the Shepherds Hill Road, Brighton Parade and Waite Street intersection opening to traffic in early 2026, which will show whether the transport program is moving from disruption to operating benefit. Brighton Road remains the largest printed-value project at $30m and is the clearest single item to watch for timing, scope progression and any flow-on traffic effects. In the background, the mix of active transport, industrial and water works suggests steady urban servicing and corridor management rather than a one-sector development story.

Economic conditions are currently firm, but the practical indicators to monitor are approvals, service capacity and migration composition. The unemployment rate is low at 1.7%, and population growth in 2025 came from net overseas migration rather than internal inflows, which may keep demand focused on established housing and services rather than broad greenfield expansion. If non-residential approvals remain above recent averages and the warehouse and utility works progress, that would be consistent with continued business-space and servicing investment. If approvals retreat or major road works are delayed, the current burst of project activity may prove temporary.

Key takeaways

• Holdfast Bay’s base is a services economy, led by health, education, professional services, retail and hospitality, with a tight labour market and an established, relatively skilled population.
• The current named project pattern is transport-led, with intersection upgrades the dominant active works, supported by one warehouse approval and wastewater treatment plant construction.
• The most defensible project-economy link is access and servicing: road works support corridor function for local businesses and visitors, while warehouse and wastewater works align with industrial and utility capacity.

Sources

• Health care and social assistance — ABS Census 2021
• Registered businesses — ABS Counts of Australian Businesses
• Unemployment rate — Small Area Labour Markets
• Estimated resident population — ABS Regional Population
• Education and training — ABS Census 2021
• Professional, scientific and technical services — ABS Census 2021
• Retail trade — ABS Census 2021
• Accommodation and food services — ABS Census 2021
• Employed persons — ABS Census 2021
• Bachelor degree or higher — ABS Census 2021
• Median household income (weekly) — ABS Census 2021
• Median age — ABS Census 2021
• Employing businesses — ABS Counts of Australian Businesses
• Registered businesses, Rental, Hiring and Real Estate Services — ABS Counts of Australian Businesses
• Registered businesses, Professional, Scientific and Technical Services — ABS Counts of Australian Businesses
• Registered businesses, Construction — ABS Counts of Australian Businesses
• Registered businesses, Health Care and Social Assistance — ABS Counts of Australian Businesses
• Employing businesses, Accommodation and Food Services — ABS Counts of Australian Businesses
• Labour force — Small Area Labour Markets
• Unemployed persons — Small Area Labour Markets
• Population change — ABS Regional Population
• Net overseas migration — ABS Regional Population
• Natural increase — ABS Regional Population
• Net internal migration — ABS Regional Population
• Brighton Road Intersection Improvements — Infrastructure Australia
• Shepherds Hill Road, Brighton Parade and Waite Street Intersection Project — Department for Infrastructure and Transport
• Change in land use to and construction of a warehouse building — PlanSA
• Glenelg WWTP — sa_water
• Hastings Street, Glenelg South — Infrastructure Australia
• Non-residential building approvals, latest 12 months — ABS Building Approvals
• Non-residential building approvals versus this council's own three-year average, weighted by the value of those approvals — ABS Building Approvals
• Registered businesses, Transport, Postal and Warehousing — ABS Counts of Australian Businesses
• Registered businesses, Wholesale Trade — ABS Counts of Australian Businesses
• Open public and private hospitals — AIHW MyHospitals
• Approved centre-based childcare services — ACECQA national register
• Residential aged care homes — AIHW GEN aged care