Can you really make over half a million dollars from a single house build on a 474m² block in inner Melbourne?

In this post, we’re breaking down exactly how one off-market opportunity turned into a $580K profit and how this same strategy is now being used by smart property developers to build wealth in 2025.

Thanks to recent rescode changes in Victoria, it’s now possible to deliver more accommodation on smaller sites than ever before. This means previously overlooked blocks in tightly held inner-city suburbs are suddenly back in play and we’re seeing strong demand from family buyers ready to pay a premium for the right product.

In this case study, you’ll see how a 5-bedroom, 41.5-square home was designed to take full advantage of a 50% coverage ratio with the new code allowing up to 60%. The result? Massive upside, design flexibility, and speed through planning.

We’ll also walk you through the real comps (up to $4.7M), the $1.1M construction budget (with $185K of upgrades), and the resale logic that helped validate the strategy.

If you’re interested in finding development deals that fly under the radar and want to understand how Victorian ResCode planning changes and market timing intersect this one’s for you.

Let’s dive into the numbers, the design thinking, and the exact site play that delivered $580K profit in just 16 months with room to grow.

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We break down:

  • The off-market opportunity behind the $580K profit
  • The ResCode planning shift that made it possible
  • A full feasibility breakdown — site cost, build, and margin
  • How to design for resale in inner Melbourne
  • The comps used to validate a $4.1M+ resale
  • Why smaller sites now work in a big way
  • And how to pull this off in 2025

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