All Services

Services Designed to Maximise Your Site's Potential

At OIC, we help landowners turn underused sites into well-planned development outcomes. Whether the goal is improving a family home or unlocking the full value of a site, we lead the process so you don’t lose time or money figuring it out the hard way.

Alteration and Addition

Alteration and addition project transforming home into two-storey residence in Sydney

Upgrade what works. Transform what doesn’t.

Knockdown Rebuild

Knockdown and rebuild demolition in progress on residential property in Sydney

Knock down what is holding you back. Build what performs.

Dream Build

Two-storey knockdown-rebuild dream home in Georges Hall

Build the home you’ve always wanted — right where you already are.

Duplex

Modern duplex development in Tempe with dual residences

Two homes. One smart move. Build for profit, keep for income — or do both.

Subdivision

Aerial view of residential subdivision showing lot boundary for land division

Split smarter. Build better.

Property Due Diligence

Property due diligence review analysing development plans and documentation

We don’t just tick boxes. We map the smartest way forward — or stop you before you go the wrong way.

Make the right development move – with clarity and control.

Discuss Your Site