Document movement, cracks, levels, drainage and history before correction.
V17 — specialized system
Underpinning, piles and house lifting
Treat settlement, underpinning, piles, staged excavation and house lifting as a combined structure-soil project.
Checked: 2026-08-22
Soil, loads, services and foundation condition determine whether piles, underpinning or another intervention is appropriate.
Excavating below a footing, lifting the house, transferring loads or installing piles requires professional design and execution.
Useful tools / data
- Dated level/crack survey
- Foundation/service drawings
- Soil/structural report where required
What the professional checks
- Diagnose settlement/soil/water
- Design shoring/underpinning sequence
- Design piles/bearings and load transfer
Sources and limits
Rules vary by jurisdiction and scope. Regulated, structural and gas work remains with the required professional.