Foundation Repair &
House Underpinning

From jammed doors to cracked walls, A1 Underpinning specialises in a complete range of repair solutions caused by damaged foundations.

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Excavation &
Construction Of Subfloor Rooms

The A1 Underpinning team specialise in a range of excavation solutions and the insulation of steel beams for residential clients.

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Tight Access &
Difficult Foundation Repairs

A1 Underpinning is available 24 hours a day, 7 days a week to respond to even the most difficult jobs with very tight access.

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Emergency Foundation and Drainage Repair

Do you have a foundation or drainage emergency at your home or business?

Don't delay: Call A1 Underpinning now on (02) 4730 6645
for an immediate response.




We have teams available to to respond to a range of foundation and drainage emergencies including:

  • Foundation Subsidence

  • Cracked Walls

  • Cracked Concrete Slabs

  • Flooding Due to Drainage Problems

  • Foundation Upheaval

  • Retaining Wall Damage


Not an emergency? Please Contact us or send us an online enquiry.

















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