Reading the soil report instead of ignoring it
Soil type dictates foundation movement. A report tells you what to expect.
Whittlesea 3757 · 7 March 2026
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Building & Plumbing Commission -
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In short: Whittlesea sits on reactive clay that swells and shrinks with the seasons. You need to know how the ground behaves before you buy.
Why soil matters
The ground under Whittlesea is reactive clay. It expands when wet and shrinks when dry. This movement creates stress on the house.
What we found
The report notes the soil is reactive clay of high plasticity. This explains the movement patterns and cracks found on the property.
Where the land is
The site is 40 kilometres north-east of Melbourne's CBD. It lies outside the Urban Growth Boundary and retains a rural character.
Potential concerns
Significant movement, differential settlement, cracking wider than five millimetres, and evidence of water pooling near the slab.
Control what you can
Ensuring drainage directs water away from the footings. Keeping garden beds from drying out completely and avoiding deep excavation close to the house.
Written by our local inspection team from work carried out in Whittlesea. Licensed building practitioners.
