What does knockdown rebuild mean?

When you have a block of land that already has a home situated on it, and you undertake the process of demolishing this structure and rebuilding a brand new home, this is referred to as a knockdown rebuild project.

How do I know if my property is right for a knockdown rebuild project?

By contacting your local council, you will be able to obtain specific information relating to any overlays or covenants in your area which can impact your property’s suitability for a knockdown rebuild project. In addition, your chosen builder should accompany you on a thorough assessment of your knockdown rebuild property to review its suitability, based on;

  • Accessibility
  • Traffic management requirements,
  • Location of trees and vegetation,
  • Block slope, size, frontage and depth,
  • Existing driveway location,
  • Natural light and sun orientation,
  • Easements and setbacks,
  • Existing services locations,
  • Neighbouring properties.

Should I renovate or rebuild?

It is easy to get caught up in the DIY whirlwind or fall in love with the charm of an older home but the key benefits to rebuild rather than renovate remain,

  • Cost control – know your entire project costs from the start
  • Less risk with KDR – no surprises along the way with a fixed price and timeline
  • More energy efficient – optimize materials and orientation for energy efficiency
  • Plan your timeline – transparency across your building timeline from the beginning of construction
  • No compromise – achieve your dream home without working around design challenges
  • Location – stay in your community or choose based on established infrastructure

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Do I need a knockdown rebuild specialist?

A knockdown rebuild specialist builder will generally have a suite of home designs that are suited to this type of building program with pre-designed and costed options to suit your family’s needs. In addition, these designs may already consider the conditions of your block and relevant planning regulations and council requirements.

What are the benefits of demolishing and rebuilding?

When you demolish and rebuild a new home you can enjoy many benefits such as;

  • Less risk – you will have the surety of a fixed price and a contract commitment for the building timeline, this means you have complete confidence in your planning and budgeting unlike the uncertainty of big renovations.
  • Energy efficiency – brand new homes focus on maximising efficiency through six-star rated orientation and use of materials, to make the most of natural light and keep your energy bills down.
  • No compromise – achieve your dream home without having to renovate around existing design challenges.
  • Location – either stay where you are or choose a location close to your favourite shops and kids’ schools, the choice is yours.

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Who will demolish my house?

You will need to find a licensed and insured Demolition Contractor to co-ordinate the demolition of your property and removal of all structures, debris and refuse. In addition, this contractor will co-ordinate the required demolition permits.

Do I need a permit to demolish my home?

Your Demolition Contractor will need to obtain a demolition permit from your local council prior to any demolition works commencing.

How do I find a Demolition Contractor?

Your local paper, signage on other home sites in your area and your local council, are good places to start when looking for a Demolition Contractor. It is important that you take the time to obtain a few comparison quotes and to check in with previous customers to verify the quality of their services. Some Demolition Contractors will include options to salvage and recycle many of the removed materials from your home, which is not only great for the environment but can also reduce the cost of the project in some cases.

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Do I need a builder before I start demolition?

It is critical to consult your builder prior to the commencement of demolition to conduct a thorough assessment of your knockdown rebuild property. Before demolition you need to have signed an HIA Building Contract for your new home.

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What is the advantage of building with a volume builder versus a custom builder?

Choosing the right builder for your knockdown rebuild project is more than just choosing a design you favour. You need to be comfortable with their quality assurance process, build time guarantees, fixed price policies, warranty programs and importantly their commitment to communication and service. Choosing a volume builder enables you to obtain cost-effective pricing due to their bulk supplier agreements. In addition, these larger builders have comprehensive building processes with efficient timeframes to ensure your milestone dates and budgets are achieved. For utmost peace of mind, their warranty programs ensure their commitment to quality continues after the handover of the keys.

How much does it cost to knock down a house?

While your knockdown specialist builder and demolition specialist will be able to guide you through a detailed list you can find out more about the costs involved by downloading 10 Things you should know about knock down rebuild costs, and using our handy KDR Calculator.

What is an Asset Protection Permit?

An Asset Protection Permit is required for all building work (including demolition projects) to cover any damage that may occur to public assets (roads, footpaths, kerbs and channels, nature strips etc.) as a result of your knockdown rebuild.

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What is a Town Planning Permit?

Your new home site may require a Town Planning permit, which your builder will advise. It is a good idea to investigate the use of a Town Planning Specialist to assist with the application process and take the stress off you. Importantly, the Town Planning Permit is the responsibility of the owner and are required prior to any construction commencing.

What is a Building Permit?

Your Building Permit ensures your new home complies with relevant building regulations. Once you have signed your HIA Building Contract, your chosen builder will apply for a building permit for your new home.

What information do I need to provide to my builder?

Your knockdown rebuild specialist builder will request a Contract of Sale of Land and copy of your Land Title (or proof of ownership). In addition, they may require funding details for the construction, which can be obtained from your lending institution.

What fencing is required?

Temporary fencing is required around the perimeter of your site during demolition, to protect neighbouring properties and structures and to ensure public safety. Your Demolition Contractor should include this service in their quote.
Any temporary fencing required during the construction of your new home will be provided by your chosen Builder.

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How long does a knockdown rebuild project take?

Once you have chosen your builder and signed an HIA Building Contract, the demolition phase of your knockdown rebuild project can be completed in a few days, dependent on the size and scale of the structures to be removed. Once complete, your builder can prepare the site for construction and you are officially on your way to your dream home. Your construction timeline will vary according to the size of the home you choose, and will be agreed upon with your builder at the time of your contract signing.

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What does it cost to knockdown and rebuild a house?

It is important to factor in the demolition costs involved in a knockdown rebuild project, in addition to the construction cost of your new dream home. By choosing a builder who specialises in KDR, your sales quote and later fixed price contract will include all aspects of your specialty project to ensure there aren’t any surprises along the way. See our 10 Things You Should Know About KDR Costs to get the full guide on what to expect.

What is a battleaxe block?

A block of land that sits behind another block with street frontage, access is via a long narrow drive.

What is an easement?

The legal definition of an easement is – the right to cross or otherwise use a portion of someone else’s land. In most cases ‘use’ refers to a common shared service, such as water or electricity, or access via a ‘right of carriageway’. If your block of land has an easement this is an area that cannot be built on.

What is a building envelope?

A building envelope is the outline of where buildings can be located on your block including details for setbacks from property boundaries.