How much does it cost to demolish a house?

How much does it cost to knock down a house in Australia? House demolition costs typically range between $12,000 and $50,000, but several factors influence the final price.

Demolishing a house is a major decision, whether you’re making way for a new build, addressing structural concerns, or complying with local regulations. Understanding the cost of demolishing a house is crucial for budgeting and planning, especially if factors like asbestos removal or site accessibility impact demolition costs per m².

In this guide, we break down everything you need to know about house demolition costs, including:

• A breakdown of demolition costs per m²
• Additional expenses like asbestos removal
• Key factors that influence the cost to demolish a house
• How to compare house demolition quotes, and more.

Let’s dive into the details so you can plan your demolition project with confidence.

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How much does house demolition cost?

Wondering how much does it cost to demolish a house? The cost to demolish a house in Australia typically falls between $12,000 and $50,000, with the average house demolition cost around $17,000.

Mechanical demolition—using heavy machinery like excavators and bulldozers—is the most efficient and cost-effective method. However, you can reduce the cost of demolishing a house by adopting a salvage-and-sell strategy. Some companies will salvage materials such as steel, bricks, and timber for reuse, allowing you to recoup between $800 and $12,000, significantly offsetting demolition costs.

Demolition Costs Per m²

Want a rough estimate of demolition costs per m²? Many demolition contractors use a per-square-meter pricing model to estimate how much to demolish a house.

For a standard demolition (without hazardous materials), expect to pay:

• $40 to $100 per square metre

Since each property has unique characteristics, getting a professional quote is essential. Demolition contractors can assess factors like site accessibility, hazardous materials, and foundation type to provide an accurate cost to demolish a house.

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Cost to demolish a house with asbestos

How much does it cost to demolish a house with asbestos? Asbestos removal can significantly increase the cost to demolish a house, adding approximately $2,500 or more to standard demolition expenses. However, the final cost depends on factors such as:

• The type and quantity of asbestos present
• Its location within the structure
• Local disposal regulations and fees

If your home was built between 1920 and 1990, there’s a high chance asbestos was used in construction. Removing asbestos is typically three times more expensive than handling regular building materials due to the need for specialized expertise, extra labor, and strict safety protocols.

Since hazardous materials like asbestos and mold require careful handling and disposal, they can increase house demolition costs. Before demolition, it’s crucial to arrange an inspection to identify asbestos and other potential hazards. This assessment helps determine the safest and most cost-effective demolition approach.

Want to find a demolition contractor in Sydney, Melbourne, Brisbane, Perth or Adelaide?

Factors that affect the cost of demolishing a house

How much to demolish a house? The total demolition cost depends on several key factors. From the size of your home to site conditions and hazardous materials, here’s what influences the cost to demolish a house:

• Size of the house – Larger homes require more labor, equipment, and disposal efforts, increasing house demolition costs.
• Type of demolition – Methods like mechanical demolition (excavators), manual deconstruction, or controlled implosions impact pricing.
• Location – Demolition costs per m² vary by region due to labor rates, contractor availability, and local permit fees.
• Hazardous materials – If the property has asbestos, lead-based paint, or other toxins, safe removal and disposal will increase costs.
• Foundation and site conditions – Soil type, site accessibility, and foundation type (slab, basement) affect demolition complexity.
• Utilities disconnection – Water, gas, electricity, and sewage must be safely disconnected before demolition, adding to the overall cost.
• Debris removal and disposal – The cost of transporting and properly disposing of materials like concrete, wood, and metal can be significant. Landfill fees also contribute to house demolition costs.
• Pest and rodent control – Many councils require pest treatment before demolition, especially for termite or rodent infestations.
• Tree evaluation and removal – An arborist may need to assess trees on the property, and removal costs vary depending on size and complexity.
• Demolition permits – Local council regulations require demolition permits, which typically range from $350 to $700.

Each of these factors can interact—for example, a larger home with asbestos may require a specialized demolition method, increasing the cost of demolishing a house. By understanding these factors, you can better estimate the overall house demolition cost for your project.

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Getting house demolition quotes

Still wondering how much to demolish a house? To get accurate house demolition quotes, it’s essential to compare multiple estimates from reputable demolition contractors.

Before reaching out, gather key details about your property, including:

• The size of the house
• Location and site accessibility
• Construction materials used
• Any hazardous materials (e.g., asbestos, lead paint)

Most demolition contractors will request a site visit to assess the scope of the project. This allows them to identify potential challenges and provide a more accurate cost to demolish a house. Use this opportunity to ask questions about the process, timeline, and any additional fees.

What to Look for in a House Demolition Quote

When requesting quotes, ensure they provide a detailed breakdown of costs, including:

• Labour and equipment fees
• Permit costs
• Debris removal and disposal fees
• Any additional expenses (e.g., asbestos removal)

Beyond just price, consider the contractor’s experience, reputation, and timeline. Check online reviews and ask for references to ensure reliability and professionalism.

The cheapest quote isn’t always the best. Balance cost with quality to ensure your demolition project is handled safely and efficiently.

Want to find a demolition contractor in Sydney, Melbourne, Brisbane, Perth or Adelaide?

*All costs and prices quoted were sourced at the time this cost guide was written and should only be used as an estimate.