While a full rebuild can easily push $800k, a second-storey addition usually falls in the $350k–$400k range.
What’s more, you won’t sacrifice your backyard, and you’ll make your home more appealing to future buyers – driving up the value of your property.
It’s a common myth that the best renovation strategy and most cost-effective way to move up in the property market is to sell up and buy something bigger.
While it sounds like the obvious solution, you have to factor in $100,000.00+ in selling, stamp duty, relocation costs…the list goes on. And even then, there’s no guarantee you’ll find a home that ticks all your boxes.
When adding a second storey, the increases in property value can often recover or exceed your initial investment.
This is especially true if you add sought-after features like extra bedrooms, bathrooms, living spaces, or balconies with views.
Think about it:
Buyers are Always on the Hunt for Spacious Family Homes in Established Suburbs
Especially ones with modern layouts, multiple bathrooms, and room to grow.
A well-executed second storey can transform a dated three-bedroom house into a five-bedroom family dream — and that shift can place your home in an entirely different price bracket.
We’ve seen properties go from mid-range to top-tier simply by adding the right space in the right way.
And because you’re building up, you’re not compromising the outdoor space — something that’s becoming increasingly valuable, especially in high-demand areas.
What’s more, second-storey additions often give you the chance to reshape your home’s entire presentation — not just add space. With smart planning, you can update the facade, modernise the layout, and reconfigure internal flow in a way that feels like a brand-new home — but without the full rebuild price tag.
That kind of transformation doesn’t just feel better to live in — it commands a premium in the market, where demand for family homes in established suburbs is outpacing supply.
We’re Talking Real, Measurable Uplift in Valuation
Homes that were previously capped due to size or layout limitations suddenly leap into a new buyer category.
More bedrooms means more appeal to growing families. An upstairs retreat or master suite adds privacy and luxury. A second living space or balcony? That’s lifestyle appeal — and buyers pay for that.
In the right area, a well-executed second-storey addition can significantly increase your home’s value — often returning much more than it cost to build.
While every suburb is different, it’s not uncommon for smart renovations to add 1.5 to 2 times their cost in value when the design aligns with buyer demand and the build quality is high.
The bottom line?
A second-storey addition isn’t just about solving your space problem.
It’s One of the Smartest Ways to Grow Your Equity – Without Changing Your Postcode
Of course, you need to make sure you do it right. That’s why I’ve created a helpful guide to ensure your entire project goes off without a hitch:
Build with Confidence – 7 Things You Must Know Before Designing a New Home
It’s packed with practical insights to help you navigate the process without stress or costly mistakes.
Read more about the close knit family behind your stunning Edwards Family Home, a proud partner of APB, and HIA.