Your suburb took years to find. The schools, the neighbours, the coffee shop you walk to on Saturday mornings. A knock down rebuild lets you keep all of that while replacing an ageing or unsuitable home with a brand-new Coral Homes design, built to modern standards, on the block you already own.
Find your perfect home


























































































































































































































































































































































































































Build new on the block you already own
For many homeowners, the hardest part of outgrowing a home is the idea of leaving behind a location they love. A knock down rebuild removes that trade-off entirely. You stay put, your family stays connected to everything that matters, and your property gets a complete reset with a home designed around the life you actually want to live.
For investors, it’s a practical way to replace an ageing dwelling with a modern, low-maintenance build that better suits tenant expectations and long-term asset goals, without the cost and complexity of acquiring new land.
What is a knock down rebuild?
A knock down rebuild is exactly what it sounds like. Your existing home is demolished and a brand-new home is built on the same block of land. Rather than renovating room by room or selling up and starting over somewhere new, you get a completely new home in your existing location, built to current standards with a design you choose from the ground up.
It’s a popular option for homeowners who love where they live but whose current home no longer fits their life, and for investors looking to maximise the long-term value of an existing property.
Who is knock down rebuild right for?
Growing families and upsizers
If your family has outgrown your current home but moving suburbs isn’t an option, a knock down rebuild lets you stay in the location you love and build around the life you actually want.
- Open-plan living: Space to entertain and everyday areas that work harder for the whole family.
- Multiple living zones: Room for teenagers, younger kids and adults to spread out.
- Storage throughout: Designed in from the start, not added as an afterthought.
- Premium interiors: Finishes that reflect how you want to live, inside and out.
Our Elegance inclusions are a popular choice for upsizers building for the long term.
Property investors
When an ageing property is holding back rental appeal or long-term growth, a knock down rebuild is a practical way to reset the asset without acquiring new land.
- Improved tenant demand: Modern designs attract better tenants and support stronger returns.
- Lower maintenance costs: New builds cost significantly less to maintain than older dwellings.
- Predictable build costs: Fixed pricing makes it straightforward to model feasibility upfront.
- Long-term asset value: A new home on an existing block strengthens your position for years ahead.
Our Classic Series homes are well suited to investors looking for a streamlined, cost-effective build.
Knock down and rebuild vs renovating or moving
Weighing up your options is a natural part of the process. Here’s how a knock down rebuild compares:
- Knock down and rebuild: A fully modern home on a block you already own, with no stamp duty, no agent fees and no renovation blowouts.
- Renovating: Works well for cosmetic updates but rarely fixes structural limitations or layout problems, and costs can escalate quickly.
- Moving: Offers a fresh start but brings stamp duty, selling costs and the loss of a location you may have spent years building your life around.
For many homeowners, a knock down rebuild is the practical middle ground. A genuinely new home, in the right location, with costs and timelines you can plan around.
The Coral Homes knock down rebuild process
We’ve built a clear, step-by-step process to take the uncertainty out of a knock down rebuild project.
- Choose your design: Browse 300+ home designs and work with a New Home Consultant to find a floorplan that suits your block.
- Free site assessment: We confirm your block is suitable and provide an initial estimate with no upfront deposit required.
- Preliminary reports: Soil tests, contour surveys and service locator reports identify any site-specific factors before your tender is prepared.
- Tender and house plans: Your tender and initial house plans are prepared based on your design selections and report findings.
- Sign your contract: Your HIA contract is issued with fixed price site costs. This is the official start of your build journey.
- Colour selections: Choose tiles, paint, electrical layout and finishes at our Selection Showroom with guidance from our team.
- Demolition: Once all approvals and final contract pricing are confirmed, demolition of your existing home can begin.
- Construction: Your dedicated Site Supervisor manages the full build and provides weekly progress updates.
- Handover: Your Building Supervisor walks you through your completed home, covering electricals, inclusions care and key information.
- Aftercare: Our Service and Warranty Program covers a 12-month service period in QLD and 3 months in NSW, plus statutory structural warranty.
How much does a knock down rebuild cost?
The total cost of a knock down rebuild depends on several factors specific to your block, your design choice and the condition of your existing property. At Coral Homes, we’re transparent about costs from the start. Our fixed pricing model means you understand your total investment before you commit.
Key cost factors include:
- Demolition: Varies based on home size, site access and whether asbestos removal is required.
- Site conditions: Soil type, block slope and underground services all influence your site costs.
- Home design: Larger and more complex designs sit at higher price points than streamlined single-storey options.
- Inclusions tier: Your choice of Designer or Elegance inclusions influences the overall cost of your finished home.
- Upgrades: Any personalisation selected at your colour appointment adds to your base contract price.
- Approvals and reports: Soil tests, contour surveys and council approval costs form part of your overall project budget.
For a personalised estimate, book a free site assessment or request a quote through our team.
Home designs for knock down rebuild projects
Choosing the right design is where the rebuild really starts to take shape. Our range includes single-storey and double storey home designs suited to standard suburban blocks, as well as larger acreage home designs for those with more land to work with.
Families looking to upsize will find designs with generous living zones, multiple bedrooms and indoor-outdoor entertaining spaces that make the most of a Queensland or NSW block. Investors looking for a practical, tenancy-ready build will find low-maintenance layouts with strong street appeal across our full home designs range.
Knock down rebuild locations
Coral Homes offers knock down rebuild services across Queensland and New South Wales. Whether you’re in an established Brisbane suburb, on the Gold Coast, in Sydney or on the Central Coast, our team can assess your site and guide you through the full process.
Knock down rebuild FAQs
What is a knock down rebuild?
A knock down rebuild is when your existing home is demolished and a brand-new home is built on the same block of land, giving you a fully modern home in a location you already own without the costs of buying elsewhere.
Is knock down rebuild cheaper than renovating?
It depends on the scope of work, but a knock down rebuild often provides better value than a major renovation because you get a completely new home with no hidden structural surprises and a fixed, transparent price from the start.
How much does a knock down rebuild cost?
Costs vary based on your block conditions, chosen design, demolition requirements and inclusions tier. Coral Homes provides a free site assessment and upfront pricing so you have a clear picture of your total investment before committing.
Is a knock down rebuild suitable for growing families?
Yes, it's one of the most popular reasons homeowners choose to rebuild. You stay in the suburb your family is already settled in while building a home with more space, better storage and a layout designed around how your family lives now.
Is a knock down rebuild suitable for investment properties?
Yes, replacing an ageing rental property with a modern, low-maintenance build can improve tenant appeal, reduce ongoing repair costs and strengthen the long-term value of your investment without needing to acquire new land.
Can I build a double storey home as a knock down rebuild?
Yes, subject to your block size, council requirements and setback allowances, a double storey design can absolutely be built as a knock down rebuild. Our New Home Consultants can advise on what's achievable for your specific site.
Are narrow lot homes suitable for knock down rebuild projects?
Yes, we have designs suited to narrower blocks, and our team will work with you to find a floorplan that fits your frontage, meets council requirements and makes the most of your available land.
Do I need council approval for a knock down rebuild?
Yes, building approval is required before construction can begin, and Coral Homes strongly recommends securing all approvals and confirming final contract pricing before proceeding with demolition of your existing home.
When should I demolish my existing home?
Demolition should only begin once all required building approvals have been obtained and your final contract pricing, including any variations, has been confirmed. Your Coral Homes team will advise you on timing throughout the process.
How do I know if my block is suitable for a knock down rebuild?
The best starting point is a free site assessment with our team. We'll evaluate your block size, soil conditions, site access and any council-specific requirements to confirm suitability and provide an initial cost estimate.



