1. Block Orientation and Energy Ratings

Some block orientations can make meeting mandatory 7-star energy ratings incredibly expensive. Poor orientation can result in extra costs for additional insulation, shading, or other modifications. This might not be obvious at first, but it's a crucial consideration when planning your home.

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2. Contours and Driveway Gradient

Understanding the topography of the land is essential. If the land is sloped, it could significantly impact your driveway design, foundation, and overall building costs. Getting a professional survey of the contours can prevent unexpected challenges down the road.

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3. Easements: A Hidden Benefit

Easements can often be seen as an inconvenience, but they can actually save you money on your build if managed properly. Knowing the easement details early on allows you to make informed decisions about where to place structures and how to avoid costly mistakes.

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4. Retaining Walls: Hidden Costs and Risks

If your land has existing retaining walls, be aware that issues with these can result in major structural challenges. Retaining walls that need repair or reinforcement can quickly escalate in cost. Be sure to understand the condition of any existing walls and the potential need for new ones.

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5. The Fencing Act: Your Hidden Ally

The Fencing Act may seem like a simple document, but it can become your best friend when it comes to saving you money. It governs shared fencing responsibilities and can help you avoid disputes with neighbours, ensuring a smoother and more affordable build.

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6. Encumbrances: Legal Restrictions 

Encumbrances are legal restrictions that can limit your ability to build or use the land in certain ways. It’s essential to identify any encumbrances early in the process to avoid delays or unexpected costs during your build.

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7. Tree Protection Zones: The Unseen Issue

Even if trees are located on neighbouring properties, tree protection zones can still impact your ability to build. You may need to adjust your plans to avoid damaging protected trees, which could lead to delays and extra costs if not managed properly.

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8. The Risks of an Old Swimming Pool

If there is an old swimming pool on the property, it could lead to substantial costs for removal, or worse, hidden issues like contamination or structural problems. The cost of dealing with an old pool can quickly run into the tens of thousands of dollars.

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9. Zoning and Building Regulations:

Before purchasing land, you must understand the zoning laws and building regulations for the area. This includes knowing if the land is in a flood zone, climate zone, windspeed zone, or bushfire-prone area. These factors can drastically affect the cost and feasibility of building on your land.​

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