Estimate
What does the world beneath your home cost?
Move the sliders to see how land area, depth, terrain and access shape the range. The cross-section grows with your brief.
Land area · 650 m²
Footprint below ground · 40%
Levels below
Terrain
Site access
$930k – $1.31M
Indicative · approx. 24 weeks on site
An indicative range for the below-ground structure only — excavation, retention, waterproofing and structural shell. Fitout, finishes and planning costs sit outside this figure. We'll confirm everything after a site assessment.