Knockdown-rebuild home project
Knockdown-rebuild home project

Knockdown-Rebuild

SB Custom Homes coordinates knockdown-rebuild projects for homeowners and investors replacing an existing dwelling with a new home on the site. We manage the rebuild as one connected project, including demolition coordination alongside the planning, approvals and construction pathway required for the replacement home. 

Demolition is not offered as a standalone service, and project suitability depends on the property, site conditions, location and required approvals.

Knockdown-Rebuild Project Components

A knockdown-rebuild can bring several coordinated building components together, with the exact mix determined by your site, replacement-home plans, project scope and required approvals.

Site Assessment

Design & Planning

Consultant Coordination

Approvals Coordination

Demolition Coordination

Site Preparation

Replacement Home Build

Client recognition award graphic
Happy Customers

Read Reviews...

Knockdown-Rebuild Questions Answered

Do you arrange demolition?

Yes. For an accepted knockdown-rebuild project, SB coordinates demolition contractors as part of the overall project. The demolition component is tied to the wider site, planning, approval and replacement-home pathway rather than offered separately.

Can I use SB only for demolition?

No. SB does not offer demolition as a standalone service. Demolition is coordinated only when SB is taking on the broader knockdown-rebuild project, including the pathway toward the replacement home.

Can you design the replacement home?

Yes, depending on the project. SB can coordinate design, planning, relevant consultants, approvals and construction, or the replacement home may proceed from suitable completed or approved plans. Detailed design-and-build responsibilities depend on the project scope.

Do I need approvals before demolition starts?

Potentially. The approvals and sequencing required before demolition are project-specific. SB can coordinate planning, building permits and relevant approvals where applicable, but no permit or approval is guaranteed. The property and proposed replacement home need to be assessed before the correct pathway is confirmed.

WhatsApp contact icon
Phone Number
0430 433 100
SB Custom Homes office location in Pakenham
Business Location
94 Greendale Boulevard, Pakenham VIC 3810

Discuss Your Rebuild Project

Planning to replace an existing home? Use the project enquiry form to share the property location, information about the existing dwelling and site, and any plans, ideas or goals for the replacement home. SB Custom Homes can use those details to understand the proposed knockdown-rebuild, identify what needs further assessment and discuss the appropriate next steps, including a site visit where required.

A Coordinated Rebuild Path

Why Choose SB for a Knockdown-Rebuild

A knockdown-rebuild involves more than arranging demolition. SB Custom Homes coordinates the demolition component within the wider building project, connecting it with the replacement-home pathway so the site, design, approvals and construction requirements can be considered together.

Depending on the project, that coordination can extend from consultation and site assessment through design and planning, relevant consultants, approvals, pre-construction, construction, inspections and handover. Specialist work may be completed by appropriately qualified trade or consultant partners, while SB manages overall project coordination, communication and quality management.

We are also clear about the limits of the service. Demolition-only work is not offered, and SB does not promise a standard approval path, timeframe or cost for every property. Suitability is assessed against the proposed scope, site conditions, location and required approvals so the appropriate project pathway can be established.

Renovate or Rebuild?

The right pathway depends on the existing home, the changes you want, site conditions, project scope and applicable approvals.

Decision FactorRenovation QuestionRebuild Question
Desired ChangeCan the existing home accommodate the changes you want?Do your goals involve replacing the existing dwelling?
Existing ConditionWhat condition is the existing home in?Does replacement better match your overall project goals?
Project ScopeHow extensive are the proposed alterations or extensions?Are you planning a complete replacement home?
Site ConstraintsWhat site conditions could affect the proposed renovation?What site conditions could affect demolition and rebuilding?
ApprovalsWhat approvals apply to the proposed renovation work?What approvals apply before demolition and rebuilding?
Project AssessmentDoes a project-specific assessment support retaining the existing home?Does the assessment support replacing it with a new home?

Six Things to Know Before a Knockdown-Rebuild

These practical points can help you prepare a useful enquiry and understand how project suitability is assessed.

  • Share Property Details

    Include the property location, information about the existing dwelling and site, plus any plans, ideas or goals for the replacement home so the proposed project can be assessed properly.
  • Demolition Is Integrated

    Demolition is coordinated as part of the wider knockdown-rebuild project. SB does not offer demolition-only work, so removal and the replacement-home pathway are considered together.
  • Site Visit for Quoting

    Free initial quotations are available for suitable projects. A site visit is recommended for most building projects and may be required before an accurate quotation can be prepared.
  • Pre-Construction Fees

    Design, planning, engineering, surveying, building permits and specialist consultants may involve separate fees. Required professional services and associated costs should be confirmed before proceeding.
  • Timing Depends on Scope

    There is no single timeframe for an entire knockdown-rebuild journey. Site conditions, complexity, materials, selections, variations, approvals and other project-specific factors can affect the schedule.
  • Location and Project Fit

    SB’s primary focus is Pakenham and Melbourne’s south-east. Broader Greater Melbourne projects may be considered case by case depending on project size, scope and location.

Your Knockdown-Rebuild Path

A knockdown-rebuild brings several connected stages together. The exact requirements and sequencing depend on your property, replacement-home plans, project scope and applicable approvals.

  1. Initial Project Discussion

    Start with your property, goals, budget and ideas for the replacement home. Existing plans or drawings can also be discussed if you already have them.
  2. Site & Property Assessment

    The existing dwelling, site conditions and proposed project are considered so SB can identify what requires further assessment and whether a site visit is needed.
  3. Design & Planning

    Depending on the project, SB can coordinate replacement-home plans, engineering and other relevant documentation, or work from suitable completed or approved plans already prepared.
  4. Scope, Quote & Approvals

    The project scope and quotation are developed around the proposed work. Planning, building permits, consultants and other approvals are coordinated where applicable.
  5. Pre-Construction & Demolition

    Selections, scheduling and site preparation are organised before construction. Demolition is coordinated within the wider rebuild, with its timing determined by the requirements of the individual project.
  6. Replacement-Home Build

    Once the project is ready for construction, SB coordinates relevant trades and subcontractors as the replacement home progresses through the build.
  7. Checks, Completion & Handover

    Required inspections and quality checks are completed during the project, followed by finishing work, attention to outstanding items and final handover.