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How Much Does It Cost to Level A House?

February 26, 2024

Leveling a house can range in costs from as little as $3,500 for a small corner to $50,000+. It all depends on the extent of leveling required.

What is house leveling?

House levelling, commonly known as underpinning, is the process of strengthening the soil/footings of a structure to rectify subsidence. It can be accomplished by: 

  • Resin injection.
  • Screw piles. 
  • Or concrete block underpins.

We specialize in resin injection, which involves injecting an expanding resin product into the soil that supports the foundations through 16mm tubes. This method is far less intrusive than other available methods and requires much less time to complete the process.

Utilising expanding resin to fill any weak or loose soils and compress them back to a state of acceptable bearing capacity. Once soil stabilised it will allow the footing to be lifted and the house to be relevelled.

What are the signs you may need to have your house levelled?

  • Uneven or sloping floors: With some areas on the floor being higher or lower than others, it could be a sign that your foundation has shifted.
  • Cracks in walls or ceilings: Cracks that appear in the walls or ceilings of your home can be a sign of foundation problems, especially if the cracks are wider at the top than at the bottom.
  • Sticking doors or windows: If your doors or windows are difficult to open or close, or they stick in their frames, it could be a sign of foundation movement.
  • Gaps around doors or windows: If you notice gaps between your doors or windows and their frames, it could be a sign of foundation settlement.
  • Sagging or uneven roofline: A roofline that appears to sag or is jagged can be a sign of foundation problems.
  • Chimney leaning or tilting: If you notice that your chimney is leaning or tilting, it may indicate that your foundation has shifted or settled.

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What can these signs mean?

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These are a sign that the soil supporting the foundation is in some way compromised and are no longer bearing the load of the house effectively. This can be caused by a variety of factors, such as:

  • Expansion and contraction of the soil due to changes in moisture content.
  • Large trees and vegetation. 
  • Broken pipes. 
  • Fill poorly compacted prior to being built on.
  • Floods. 
  • Earthquake.

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In these situations, it would be highly recommended to engage an expert for a free of charge property inspection to:

  • Find the extent of the problem.
  • Any possible cause of subsidence, for example, poor drainage, tree roots.
  • Detail any work that might need to be undertaken in preparation for house levelling.

To provide a more detailed and accurate quote, it is important to highlight as much of the above information as possible.

Amelia Martin

Rectify Editorial Lead
Amelia Martin's expertise in structural engineering is matched only by her eloquence in writing about it. With numerous successful projects under her belt, she's a respected voice in the industry. When not advocating for building longevity, Amelia enjoys hosting backyard barbecues, playing the didgeridoo, and mastering the art of Australian Rules Football.

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