Your Guide to Knock Down Rebuild Homes

Family looking at plans

Imagine living in your dream home without saying goodbye to the Elwood community you adore. That’s the real magic of knock-down rebuild homes. You get to keep everything you love about your location—the familiar streets, the local cafes, and those all-important school catchments—while getting a living space designed for your family's future.

For many, the idea of moving is just exhausting. It’s not just the financial sting of stamp duty and agent fees, but the emotional upheaval of uprooting your life. A knock-down rebuild neatly sidesteps all of that.

 

Stay Rooted in Your Community

At Envy Abode, we can custom design your dream home for a knock down rebuild so you can stay in the same neighborhood, send your children to the same schools and sporting clubs, and you can enjoy the same local restaurants and parks.

This process gives you a powerful alternative to the endless, often frustrating search for the "perfect" home in a red-hot property market. Instead of making compromises on location or features, you can genuinely have it all, right where you already are. It's a trend that's really taking off across Australia as good land in desirable city suburbs like Elwood becomes harder and harder to find.

The numbers back this up. Data from the Australian Bureau of Statistics shows approvals for over 20,000 dwelling demolitions in the 12 months to March 2025. This figure points to a strong national appetite for redeveloping existing land.

 

Gain Complete Creative Control

Going down the major renovation route often means you’re stuck working within the limitations of an old, and sometimes problematic, structure. You can easily stumble upon nasty surprises like dodgy wiring, hidden asbestos, or crumbling foundations that lead to budget blowouts and painful compromises.

A knock-down rebuild, on the other hand, gives you a completely clean slate. From the ground up, every single decision is yours.

By demolishing the old and building new, you aren't just fixing problems—you're preventing them. You get a home built to today's highest standards, with superior energy efficiency, modern materials, and a floor plan perfectly suited to your lifestyle.

This is your chance to design a space that works for you, not the other way around. The key benefits are huge:

  • Modern Living: You can create those beautiful open-plan living areas, integrate smart home tech from day one, and design a layout that just flows.
  • Energy Efficiency: It's the perfect opportunity to incorporate the latest in sustainable design—think double-glazed windows and top-tier insulation—which will slash your energy bills for decades.
  • Cost Certainty: You get to avoid the hidden, and often expensive, surprises of a renovation. A new build gives you a much more predictable budget and timeline right from the start.

Ultimately, a knock-down rebuild is an investment in your family’s future, allowing you to transform your Melbourne home without sacrificing the location that makes it feel like home.

 

Assessing Your Property's Rebuild Potential

So, you’ve decided a knock down rebuild is the path for you. Fantastic. But before you get lost in design sketches and kitchen finishes, there’s some crucial groundwork to do. This is the reality-check phase—where the dream of your new home meets the hard facts of your specific block of land.

Think of it as a deep dive into what’s legally and practically possible. For anyone building in an established suburb like Elwood, this step is absolutely non-negotiable. It’s what stops you from spending a fortune on designs that council will never approve, setting your project up for success right from the get-go.

 

Navigating Council Regulations and Overlays

Every local council has its own rulebook, and these regulations are the guardrails for your entire project. In a sought-after area like Elwood, this means you’ve got to get intimately familiar with the local planning schemes that can—and will—influence your design possibilities. Trust me, ignoring these early on is a classic recipe for delays and disappointment.

Here’s what you need to dig into with your local council:

  • Zoning Requirements: This is the big one. It dictates what you can build (like a single home or a dual occupancy) and sets the rules for your floor space ratio, which essentially controls the overall size of your home in relation to your land.
  • Heritage Overlays: If your property is under a heritage overlay, don’t panic—it doesn’t automatically mean a rebuild is off the table. It does mean there will be strict guidelines on the new home’s appearance to make sure it respects the character of the neighbourhood.
  • Vegetation Protection: Many councils are serious about protecting significant trees and native plants. These rules can directly impact where you place your new home, the driveway, and even your outdoor entertaining areas.

This chart gives you a sense of how these overlays are distributed across a typical suburb like Elwood.

Infographic showing that 45% of Elwood properties are under a heritage overlay, 30% are in vegetation protection zones, and 25% have flexible zoning allowances for knock down rebuild homes.

As you can see, a huge majority of properties face specific planning controls. This is exactly why getting professional guidance is essential to navigate the approvals process without tearing your hair out.

 

The Critical Role of a Site Survey

Beyond the council rulebook, the physical reality of your land plays a massive part in both the design and the final cost. This is why a professional site survey is one of the first and most important investments you’ll make. It’s the raw data your architect and builder need to do their jobs properly.

A proper survey looks at everything from the topography to what’s under the ground. It will pinpoint your block’s orientation to the sun, which is vital for designing an energy-efficient home that’s flooded with natural light. The slope of the land will dictate how complex the earthworks and foundations will be, which has a direct impact on the budget. And soil tests? They reveal if the ground is stable or reactive, which tells us what kind of slab or footings your home needs to stand solid for decades.

You can learn more about why this is so foundational by exploring the importance of a site survey for construction.

Think of the site survey as the foundational blueprint for your project's success. It replaces assumptions with hard data, allowing your design team to create a home that is not only beautiful but also perfectly suited to its environment.

 

Demolition Practicalities and Hidden Costs

The final piece of the assessment puzzle is the old house itself. While the goal is to get rid of it, what’s lurking inside and around the existing structure can add unexpected complexity and cost.

For instance, older homes in places like Elwood often contain hazardous materials like asbestos. This requires specialised, licensed removal to ensure everyone’s safety, and it’s a non-negotiable cost you absolutely have to factor into your demolition budget.

Site access is another practical headache to consider. Are the streets narrow? Is the block tight? Getting heavy machinery in and out can be a challenge, potentially driving up demolition and clearing costs. These are the real-world hurdles that a seasoned builder like Envy Abode can spot and plan for from day one, making sure your project runs smoothly and stays on budget.

Nailing Your Knock Down Rebuild Budget

A successful knock down rebuild hinges on a rock-solid financial plan. It’s so easy to get fixated on the builder's quote, but I've seen firsthand that this figure is just one piece of a much bigger puzzle. A truly realistic budget accounts for absolutely everything, from the initial design sketches right through to the final lick of paint on the garden fence.

Thinking about the total project cost from day one is the best way to avoid nasty surprises down the road. It keeps the journey exciting instead of stressful and ensures you end up with a home you love without the financial hangover.

It’s no surprise that the home renovation market in Australia is booming, set to be worth over $48 billion in 2025—a 13% jump from the previous year. With the high cost of moving and a huge demand for better living spaces, more people are seeing the power of a knock down rebuild. It’s a smart way to get a brand new home without having to find a rare block of land.

 

Beyond the Build: What Your Budget Really Needs to Cover

The main construction contract covers the nuts and bolts of your new home, but a big chunk of your total spend will happen before, during, and after the builders are even on site. Overlooking these is where budgets really get blown out.

Here’s a rundown of the typical costs you absolutely must factor in:

  • Pre-Construction Fees: This covers your architectural or drafting fees, crucial engineering reports, detailed site surveys, and soil testing.
  • Council and Permit Fees: Every council has its own schedule of fees for development applications, building permits, and inspections. These can easily run into thousands of dollars.
  • Demolition and Site Prep: The cost to safely demolish the old house, haul away all the debris, and prepare the site is a significant upfront expense. This also includes things like asbestos removal if your old place has it.
  • New Service Connections: You’ll need to budget for connecting brand new water, electricity, gas, and sewerage lines to your home.

 

The "Hidden" Costs People Always Forget

It's the expenses that fall outside the main build that catch most people by surprise. These are the things that turn a house into a proper home, and they are rarely included in a standard building contract. Knowing about them from the get-go is critical.

Make sure you've got these on your radar:

  • Temporary Accommodation: You can't live on a construction site, so you'll need to budget for rent for anywhere from 12-18 months. This is a major ongoing cost.
  • Landscaping and Driveways: The builder’s job usually stops at the front door. You’ll need a separate budget for turf, gardens, paving, and your new driveway.
  • Fencing and Retaining Walls: New boundary fences and any retaining walls needed to level the block are almost always a separate cost.
  • The Finishing Touches: Things like blinds, curtains, a new letterbox, and a clothesline might seem small, but they add up fast.

A contingency fund isn't just a good idea—it's non-negotiable. I always advise clients to set aside an extra 10-15% of the total project cost. It’s your safety net for any unexpected issues or those little upgrades you decide you can't live without.

For a more detailed look at the numbers, you can check out our detailed guide on how much a knock down rebuild costs, which breaks down all these expenses even further.

 

Cost Comparison: Knock Down Rebuild vs. Major Renovation

Deciding whether to knock down or go for a major renovation is a huge financial crossroad. A big reno might look cheaper on paper at first, but costs can quickly spiral out of control when you start uncovering problems in an old structure.

To give you a clearer picture, here’s a typical cost comparison for a project in a suburb like Elwood, showing where your money goes in each scenario.

 

Cost Comparison Knock Down Rebuild vs Major Renovation

Cost Component

Estimated Knock Down Rebuild Cost

Estimated Major Renovation Cost

Architectural & Engineering Fees

$20,000 - $40,000

$15,000 - $35,000

Council & Permit Fees

$10,000 - $20,000

$8,000 - $15,000

Demolition & Site Clearing

$20,000 - $35,000

Not Applicable (but may have internal demo costs)

Construction Costs (Core Build)

$650,000 - $1,600,000+

$400,000 - $900,000+

Unforeseen Structural Issues

Minimal Risk (New Build)

High Risk ($30,000 - $80,000+)

External Works (Landscaping, etc.)

$40,000 - $80,000

$20,000 - $50,000

Temporary Accommodation

$40,000 - $60,000 (12-18 months)

$20,000 - $40,000 (6-12 months)

Total Estimated Range

$680,000 - $1,635,000+

$493,000 - $1,040,000+ (with high risk)

As you can see, while a renovation might start with a lower price tag, the high risk of uncovering hidden structural issues, rising damp, or outdated wiring can make a knock down rebuild a more financially predictable and often wiser long-term investment. You get exactly what you want, with no old-house headaches.

The Design and Council Approval Journey

Architectural plans for a new home spread out on a wooden desk.

This is where the magic really starts to happen. After all the number-crunching and site checks, the design phase is where your vision for a new home finally begins to take shape. It’s a creative, collaborative process where we translate your family’s needs and lifestyle into a tangible architectural reality.

This is about so much more than just drawing up floor plans. We’re crafting a living space that will serve your family for decades to come.

Working with an experienced design-build firm like Envy Abode is a game-changer here. At Envy Abode, we can custom design your dream home for a knock down rebuild so you can stay in the same Elwood neighborhood, send your children to the same schools and sporting clubs, and you can enjoy the same local restaurants and parks.

 

Translating Your Vision into a Blueprint

Our design journey kicks off with a deep dive into how you actually live. We don't just ask how many bedrooms you need; we explore the dynamics of your family. Are you desperate for a dedicated home office? Do you dream of an open-plan kitchen that flows effortlessly into an outdoor entertaining area? Maybe a quiet, sun-drenched nook for reading is non-negotiable.

Our whole goal is to create a design that feels intuitive and purpose-built just for you. This means we sweat the small stuff and focus on practical elements like:

  • Maximizing Natural Light: We’ll orient your main living spaces to capture that beautiful northern sun, which can dramatically cut down your reliance on artificial lighting and heating.
  • Energy Efficiency: From high-performance insulation and double-glazed windows to smart home tech, we build in features that make your home comfortable year-round and much cheaper to run.
  • Future-Proofing: A great design is flexible. It should be able to adapt as your family grows and your needs change over time.

This hands-on, collaborative approach ensures the final plans aren't just for a house, but for a home that is a perfect reflection of you.

A great design isn’t just about aesthetics; it's about functionality. The best knock down rebuild homes are those where every square metre is thoughtfully planned to enhance daily life, creating a seamless flow from one space to the next.

 

Demystifying the Council Approval Process

Once we’ve nailed the design, the next major hurdle is getting the green light from the council. This part of the journey can feel a bit intimidating—think paperwork, regulations, and waiting. But with the right team in your corner, it becomes a structured and totally manageable process. In Victoria, this typically means lodging a Development Application (DA) with your local council.

The secret to a smooth approval process? Submitting a comprehensive and fully compliant application from the get-go. Any missing info or designs that clash with local planning codes will inevitably cause delays. The process can be complex, but knowing the key steps is empowering. To get a better handle on what’s involved, you can read our complete guide to the building plan approval process.

It's also worth remembering that the wider economy can play a role in council timelines. For instance, dwelling approval stats across Australia are always shifting. The Australian Bureau of Statistics reported that in August 2025, total dwellings approved fell by 6.0%, with private sector houses seeing a 2.6% drop. These kinds of trends can sometimes stretch council resources, making a perfectly prepared application even more critical.

 

Paving the Way for a Smooth Build

Successfully navigating the design and approval stages sets a solid foundation for the entire construction phase. When you have a thorough, well-documented plan that the council has already signed off on, you minimise the risk of expensive variations and frustrating delays once the build actually starts.

Your builder should be managing this whole process for you, liaising with council planners on your behalf and making sure all the necessary paperwork—from engineering reports to energy ratings—is in order. This expertise is invaluable, turning what could be a stressful bureaucratic headache into a clear, step-by-step march towards breaking ground. With approved plans in hand, you're finally ready for the most exciting part: demolition day.

From Demolition Day to Handing Over the Keys

A construction site showing a new home's timber frame being erected on a concrete slab.

With all the plans signed off and the site prepped, we finally get to the part everyone’s been waiting for. This is where the magic happens, where your dream home goes from a set of drawings to a real, tangible structure you can walk through. It's an incredible journey, starting with an empty block and finishing with us handing you the keys.

For most knock down rebuild homes, the construction phase takes somewhere between 12 to 18 months. Of course, every project has its own unique timeline, but knowing the main stages helps you see the progress and appreciate the level of detail that goes into every step.

 

Preparing the Groundwork

First thing's first: the old house has to go. Demolition is far more than just bringing in a wrecking ball; it's a careful, planned process. Safety is everything, which starts with professionally disconnecting all services like gas, water, and power. If we've found any hazardous materials like asbestos, fully licensed specialists are brought in to handle its removal and disposal safely, long before the main demolition begins.

Once the old house is gone, the site is completely cleared of debris. We focus on recycling as much as we can – think bricks, concrete, and metals. The block is then excavated and levelled to the exact specifications of the engineering plans, creating the perfect blank canvas for your new home.

 

The Major Construction Milestones

With the site prepped, the build truly begins. You'll start to see your home take shape through a series of distinct phases. After each major stage, a critical inspection is carried out to ensure everything is up to the stringent Australian Building Codes and our own high standards.

Here’s a quick rundown of what you’ll see happening:

  1. Pouring the Foundation: This is quite literally the foundation of your home. It’s a critical stage for the structural integrity of the entire house, whether it’s a concrete slab or another type of footing system. All the in-slab plumbing and electrical conduits are laid out and set in place at this point, too.
  2. Erecting the Frame: This is often the most dramatic and fastest part of the build. One day it's a slab, and what feels like the next, the timber or steel frame is up. You can suddenly walk through the "rooms" and get a genuine feel for the scale and flow of your home. The roof trusses go on next, giving the house its defining shape.
  3. Reaching 'Lock-Up': This is a huge milestone. It means all the external doors, windows, and the roof are on. Your home is now secure and weatherproof, which allows the internal work to start without being held up by bad weather.

Reaching the lock-up stage is a significant moment for homeowners. It marks the transition from a structural shell to a recognisable home, providing the first real sense of security and a clear vision of the finished space.

 

Bringing the Interiors to Life

Once we hit lock-up, the focus moves inside. This is where an army of tradespeople—electricians, plumbers, plasterers, and carpenters—work in a carefully coordinated dance to bring the internal spaces to life. Your house really starts to feel like a home.

The main activities during this internal fit-out phase include:

  • Rough-Ins: Before any plasterboard goes up, our plumbers and electricians run all the pipes and wiring through the wall frames, floors, and ceilings.
  • Plastering and Insulation: High-quality insulation goes into the walls and ceiling for thermal efficiency and soundproofing. Then the plasterboard is installed, creating the smooth, clean surfaces of your interior walls.
  • Fixing Stage: Now for the fun stuff. This is where the beautiful details you chose are installed, like the kitchen and bathroom cabinetry, skirting boards, architraves, and all the internal doors.

 

The Final Touches and Handover

The home stretch is all about those finishing touches that give your home its personality. This is when the painters come in, tilers lay the floors and splashbacks, and electricians and plumbers complete their 'fit-off'—installing every tap, light fitting, and power point.

As we get close to the end, our site manager will conduct a series of meticulous quality checks. This all leads to the Practical Completion Inspection (PCI), your official walkthrough of the finished home. It’s your chance to point out any minor defects or touch-ups that need attention before we hand it over.

Once those final items are ticked off and the official Occupancy Permit has been issued, it's the moment you've been working towards. We'll officially hand over the keys, and your beautiful new home is finally, completely yours.

Your Knock Down Rebuild Questions, Answered

Taking the leap on a knock down rebuild is a huge step, and it’s completely normal to have a list of questions running through your mind. To give you the confidence and clarity you need, we’ve put together some straightforward answers to the questions we hear most often.

Think of this as your starting point for getting the project clear in your head.

 

How Long Does a Knock Down Rebuild Project Usually Take?

While every custom home is unique, you should realistically plan for the entire process to take 12 to 18 months. That’s from the day the old house comes down to the moment we hand you the keys to your new home.

This timeline breaks down into two main stages. The first is the design and approvals phase, which usually takes about 4 to 6 months. This is where we nail down your architectural plans and get everything through the council. After that, construction begins. The final schedule can be nudged by things like how complex your design is, unpredictable weather, and how quickly the council processes paperwork.

 

Is It Cheaper to Renovate or Do a Knock Down Rebuild?

For older homes that need a lot of work, a knock down rebuild almost always works out to be the smarter, more predictable choice financially. A massive renovation can quickly turn into a Pandora's box of hidden problems—think asbestos, ancient wiring, or crumbling foundations. These surprises are what make renovation budgets spiral out of control.

A new build gives you cost certainty right from the get-go. You’re working with a fixed price to build a home that meets today's standards, which also means you’ll save a small fortune on maintenance and energy bills down the track.

 

Can I Live on the Property During Construction?

In a word, no. It’s neither possible nor safe to live on the property while we're building. The whole process kicks off with the complete demolition of your old house, which instantly turns your block into an active construction site filled with heavy machinery and potential hazards.

What most of our clients do is rent a place nearby. It's actually a great solution. If you’re in a suburb like Elwood, for example, you can stay connected to your community, keep the kids on their usual school run, and pop by your favourite local shops while the build is underway.

 

What Happens to the Materials from My Old House?

Sustainability is a big part of how things are done now. Any reputable demolition contractor will make a serious effort to recycle as much material as possible from the old house.

It's a pretty organized process. During demolition, materials like brick, concrete, timber, and metals are separated right there on site. From there, they’re sent off to specialized recycling facilities to be processed and given a new life, which keeps a huge amount of waste out of landfill.

On top of that, if there are things in your old home that mean a lot to you—maybe the original floorboards or a beautiful old fireplace—we can often arrange to have them carefully salvaged before the demolition team moves in. It’s definitely something to bring up with your builder early in the planning stages.

 

Ready to build the home you’ve always dreamed of, right where you already live and love? At Envy Abode, we can custom design your ideal home for a knock down rebuild, so you can stay in Elwood and enjoy the community you're a part of. Start your journey with us today.

Other client transformations

Malvern EastProject Repton , 2025

“The key thing we were looking for was the consistency in the pricing that we received, having the right team to be able to problem solve when an issue arose, they did it in a very calm and measured manner. They're a great team and we worked so well together, had we done the design with Envy it would have saved us 6 months minimum

Mount ElizaProject Alambi , 2025

“We pretty much changed everything on original house, the project could have been made a lot easier if we had started the design process with Tim first. They were very flexible and easy to work with and came up with great ideas and advice along the way”

Malvern EastProject Devonshire , 2025

“Tim gave us many options that I nor our draftsman or architectural design team had thought of, communication has been excellent, having someone that we felt we could trust, we’re so excited to move in soon”

Caulfield SouthProject Lucas , 2024

“I have absolutely loved working with Envy Abode. The team have been amazing. I know how many people have bad building and renovating experiences and I cannot rate Envy Abode highly enough

Arthurs SeatProject Cloud , 2023

“They went over and above, I couldn't recommend them more highly they exceeded my expectations

MurrumbeenaProject Joyous , 2023

“The key was they could do the whole process from design to construction and they delivered on all of it"

Mount ElizaProject Winona , 2022

“What mainly attracted us to Envy Abode was that they could both design and construct, they understood our vision and worked meticulously to deliver on that vision"