What is included in the Site Costs for a build?

Site costs refer to all expenses involved in preparing a piece of land for construction and ensuring the home can be safely and legally built. These can vary significantly based on the land's characteristics, location, and local council requirements.

Here’s a breakdown of what’s typically included in site costs for a house and land build in Australia:

1. Soil Testing & Engineering

• Soil classification (e.g., M, H1, H2, E)

  Determines how reactive the soil is and impacts slab design.

• Geotechnical report

  Provides details for footing design and drainage.

2. Site Preparation

• Site cut and fill

  Leveling the land, removing excess soil or filling low areas.

• Tree or vegetation removal

• Rock removal or excavation

  Charged as a variation if large volumes of rock are found.

• Temporary fencing

3. Slab & Footings Preparation

• Upgrading slab type if required by soil classification (e.g., from waffle to raft slab).
• Deepened footings for poor soil or slope.

4. Drainage and Stormwater

• Stormwater management system

  E.g., pits, pipes, or absorption trenches.

• Surface drainage or retaining walls

  On sloped blocks to manage water flow.

5. Services Connection

• Sewer and stormwater connections
• Water and power connection to dwelling
• NBN conduit or communications trenching
• Gas connection (if applicable)

6. Temporary Works

• Site toilet, power pole, and site signage

• Sediment control or silt barriers

  Required by councils to prevent erosion.

7. Council & Compliance Costs

• Building approval fees
• Site inspection and certification fees

• Traffic or asset protection bonds

  If construction impacts footpaths or roads.

Cost Estimate Range

Site costs typically range from $15,000 to $40,000+, depending on:

• Block slope
• Soil classification
• Estate requirements (e.g., acoustic fencing, retaining)
• Flood or bushfire zoning