South Australia has taken a decisive step in shaping its regional future, releasing six long-term regional plans designed to guide housing, land use and infrastructure investment over the next 15 to 30 years.
Released by the Malinauskas Labor Government, the plans aim to provide certainty for communities, councils, builders, developers and infrastructure providers across regional South Australia, at a time when population growth, housing supply and workforce availability are becoming increasingly complex challenges.
Together, the plans outline where future homes and employment precincts will be located, what infrastructure will be required to support them, and how growth can occur without compromising environmental, agricultural and cultural assets.
For the building industry, the message is clear: regional South Australia is not being left to chance. It is being planned.
A coordinated approach to regional housing supply
At the heart of the six plans is a consistent theme: growth must be deliberate, staged and matched with infrastructure.
Rather than reacting to population pressure after it arrives, the plans identify land, services and transport needs well in advance. This forward planning approach is designed to reduce supply bottlenecks, improve housing choice, and give industry greater confidence to invest.
Across the six regions, population growth projections vary significantly, but each plan responds to local conditions rather than applying a one-size-fits-all solution.
Kangaroo Island: growth with environmental restraint
With a population of around 5,000 in 2021, Kangaroo Island is expected to grow to approximately 6,700 residents by 2051. To support this increase, around 1,149 new homes will be required.
The Kangaroo Island Regional Plan focuses on concentrating housing growth within existing towns, encouraging more diverse housing options close to services. The intent is to minimise sprawl, protect productive land and safeguard the island’s highly sensitive environment.
For builders, this signals a shift toward infill, medium-density and context-sensitive housing rather than broad greenfield expansion.
Eyre and Western: balancing industry and conservation
The Eyre and Western region is projected to grow from 58,900 people to more than 70,800 by 2051, requiring an estimated 6,194 new homes.
This plan places strong emphasis on protecting biodiversity, marine environments and open landscapes, while supporting growth in energy, mining, agriculture and tourism. Key centres such as Whyalla, Ceduna and Port Lincoln are identified as major employment hubs.
From a construction perspective, the plan highlights opportunities linked to industrial growth and tourism infrastructure, alongside residential demand driven by expanding regional economies.
Far North: modest growth, diverse housing needs
The Far North is expected to experience relatively modest population growth, rising from 26,700 to approximately 27,800 residents by 2051. Even so, around 720 new homes will still be required.
The Far North Regional Plan prioritises cultural heritage, natural resource protection and Aboriginal sites, while acknowledging the need for more varied housing types. The focus is on meeting the needs of older residents, skilled workers, seasonal labour and tourism-related accommodation.
For builders, this points to demand for flexible housing models rather than large-scale subdivisions.
Yorke Peninsula and Mid North: moving beyond detached housing
With population growth projected from 78,200 to 95,800 by 2051, the Yorke Peninsula and Mid North region will require more than 11,500 new homes.
Currently, around 94 per cent of housing in the region is detached. The plan explicitly aims to diversify housing supply to better support older residents, smaller households, temporary workers and lower-income residents.
This shift presents opportunities for builders experienced in townhouses, smaller lots and adaptable housing designs, particularly in established towns.
Murray Mallee: attracting and retaining a younger workforce
The Murray Mallee region is expected to see one of the largest increases, growing from 73,100 people in 2021 to more than 101,300 by 2051. This growth will require approximately 13,900 new homes.
The plan highlights the importance of affordable, accessible housing close to services as a key lever to attract younger workers and counter an ageing population.
For the construction industry, this reinforces the role of housing diversity and affordability in supporting long-term regional labour markets.
Limestone Coast: consolidating growth around Mount Gambier
The Limestone Coast is projected to grow from 68,500 residents to 86,600 by 2051, creating demand for around 8,805 new homes.
Mount Gambier and its surrounds will remain the dominant population centre, accounting for more than half the region’s residents. The plan prioritises sufficient land supply, controlled township expansion, and housing close to health and community services, while continuing to protect primary production land.
This clarity around growth corridors provides greater certainty for builders and developers planning long-term investment in the region.
How this fits into the Greater Adelaide picture
The regional plans follow the release of the Greater Adelaide Regional Plan last year, which forecasts an additional 670,000 people by 2050 and identifies land for 315,000 new homes and 254,000 new jobs.
Key features include a new Northern Park Lands network and stronger protection for food production areas across Greater Adelaide.
Taken together, the metropolitan and regional plans reflect a whole-of-state approach to managing population growth and housing supply.
A long-term signal to industry
Planning Minister Nick Champion said the plans are about giving regional communities confidence in their future.
“Stronger regions means a stronger South Australia,” he said, adding that the plans ensure regional voices are embedded in shaping long-term growth.
For builders, suppliers and trades, the release of these plans sends a clear signal: regional South Australia is planning for growth, not reacting to it.
The opportunity now lies in how effectively industry aligns with these frameworks, delivering housing that matches regional needs, protects local character, and supports sustainable communities for decades to come.
https://plan.sa.gov.au/resources/planning/regional_plans
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