Top growth suburbs for 2026.
by
Complete by McDonald Jones

Australia’s property market continues to shift rapidly in 2026, with new infrastructure, affordability pressures, and demographic changes pushing unexpected suburbs into the spotlight. According to insights from realestate.com.au’s Hot 100 suburbs for 2026, several NSW locations are outperforming expectations thanks to their lifestyle appeal, strong development pipelines and strategic transport investment.

The good news? Complete by McDonald Jones has brand-new house and land packages under construction in two of these rapidly expanding suburbs. If you’re looking to skip the build process and move into an affordable brand-new turnkey home this year, then read on to find your perfect long-term family home or next addition to your investment portfolio in one of NSW’s thriving growth corridors. 

Box Hill (North West Sydney) – ideal for investors.

Located in Sydney’s rapidly expanding North West, Box Hill is one of Sydney’s fastest growing areas.

Included in the State Government’s North West Priority Growth Area, this masterplanned community is attracting young families and upgraders alike. According to the REA, properties in Box Hill have seen a 10% increase in value over the last 12-months, making this area ideal for those seeking a profitable investment.

Why is Box Hill accelerating?
  • Major land releases and subdivision activity supporting thousands of new homes.
  • Strong buyer interest due to the proximity of public transport including the Sydney Metro Northwest (via Rouse Hill).
  • Investment in schools, parks and new town centre (planned or under construction).
Local Amenities.
  • Shopping: Rouse Hill Town Centre; Box Hill Town Centre (planned).
  • Transport: Bus links to Rouse Hill Metro and easy access to Windsor Road.
  • Schools: Multiple primary and secondary options in nearby Rouse Hill and Riverstone.
  • Recreation: New parks, playgrounds, and sporting facilities across developing estates.

overview of The Gables estate within Box Hill, NSW. Rolling hills, playgrounds and homes

Complete by McDonald Jones range of brand-new double storey house and land packages within the sought-after Gables residential community at Box Hill featuring the Buchanan and Stockport designs, both comprising of 5-bedrooms, 3.5-bathrooms, multiple living spaces and double garage. 

Thoughtfully designed with families of every stage in mind, these luxury homes will be move-in ready late 2026. It’s simple to secure your Gables, Box Hill property today with our buy now, pay later scheme – simply pay a $30,000^ deposit and enjoy $0 in further payments until settlement. Enjoy more time to organise finance and plan for your new family home or investment property whilst Complete build your dream.

double-storey homes with balconys along a leafy street.

Calderwood (Illawarra) – ideal for families. 

Realestate.com.au highlights the Illawarra region as a major lifestyle-driven growth area for 2026, with Calderwood standing out for its affordability, natural appeal and masterplanned community development.

This community-focused suburb offers a laid-back lifestyle close to beaches, and is well connected to Wollongong and Shellharbour making it ideal for young-families wanting to achieve the coastal lifestyle without the price tag. According to the REA, properties in Calderwood have seen a 6% increase in value over the last 12-months, making it a wise investment for your family’s future.

Why is Calderwood rising fast?
  • Calderwood’s newest masterplanned estate, Calderwood Valley, offering modern homes, new schools and local retail centres.
  • Strong family demand driven by proximity to beaches, Wollongong and Illawarra escarpment.
  • High buyer interest thanks to its affordability relative to coastal suburbs. 
Local Amenities.
  • Schools: Calderwood Christian College, Albion Park Public School and High Schools nearby.
  • Recreation: Calderwood Valley Golf Course, local district parks and walking trails.
  • Shopping & Services: Nearby Shellharbour, Albion Park and future Calderwood Village (with supermarket and medical services).
  • Lifestyle: Close to Lake Illawarra, Macquarie Pass National Park and Shellharbour beaches. 

Calderwood Valley estate in Calderwood with the Illawarra escarpment in the background and a small pond in the foreground.

Currently under construction in Calderwood Valley, you will find a range of single and double storey house and land packages by Complete by McDonald Jones. These popular home designs include the four-bedroom Angaston, double-storey Seville, and single-storey Oakridge home designs. 

These family-focused house and land packages will be move-in ready late 2026. Secure your Calderwood Valley package today with just a $30,000^ deposit and enjoy $0 in further payments until you receive the keys. 

single-storey brick home with large backyard.

The bottom line.

Both these suburbs share the core drivers behind the realestate.com.au Hot 100 List:

  • Infrastructure investment
  • Population growth
  • Lifestyle value
  • Strong buyer demand


Box Hill and Calderwood both offer the perfect opportunity for new home build, with a lifestyle to match. 

Explore your turnkey home options within these up-and-coming suburbs today. Or get in touch with the team at Complete by McDonald Jones – we’re ready to help you find perfect house and land package.

^The $30K deposit is offered on the package price with the balance required upon issue of occupancy certificate.