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AVH Foundations · Guides & costs

Foundation guides, straight from the crew.

Underpinning, basement lowering, walkouts and settling foundations, explained by the people who do the work: what's involved, what it costs and what to ask before you hire anyone.

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Read before you book

Read before you book.

Each guide covers the process, the permits, typical costs in the Hamilton area and the questions we get asked most. No fluff and no scare tactics.

GuideUnderpinning a foundation: cost, process and permitsHow underpinning works, when a house needs it, what Ontario requires and what it typically costs around Hamilton.Read the guide GuideAdding a basement walkout: cost, permits and processWalkout or walk-up, what it costs around Hamilton, the permits and drawings involved, and how to keep it dry.Read the guide GuideLowering a basement floor: underpinning vs bench footingTwo ways to get more basement headroom, how much space and money each one costs, and the Code heights to aim for.Read the guide GuideSettling foundation: signs, causes and fixesHow to tell normal settling from a foundation that's moving, what causes it, and how settling foundation repair works.Read the guide Cost guideFoundation repair cost in Hamilton (2026)Typical Hamilton-area prices for crack repair, bowing walls, settling, underpinning, walkouts and new floors, plus how to compare quotes.Read the guide
Water problems instead?

Basement Worx guides cover leaking cracks, sump pumps, waterproofing and flood subsidies.

Basement Worx guides
One family, two specialists

Structural by AVH. Dry by Basement Worx.

AVH Foundations now owns and runs Basement Worx. Same No Leak Guarantee, same honest diagnosis, and a structural specialist under the same roof for everything else.

You are here

Structural & new foundations

  • Underpinning & basement lowering
  • Structural repair & reinforcement
  • Foundation rebuilds & new foundations
  • Walkouts & additions
You're on the AVH Foundations site

Waterproofing & crack repair

  • Interior & exterior waterproofing
  • Crack injection & structural crack repair
  • Sump pumps & window wells
  • Block, stone & concrete foundation repair
Visit Basement Worx

Cracks don't fix themselves. Let's look before it costs more.

A free, no-pressure assessment from the people who'll actually do the work.

Call (289) 880-7988
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