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Timber Retaining Walls built by Retain by Theo for homes across Wollongong and the Illawarra

Timber Retaining Walls in Wollongong

Fully Engineered & Certified
Free On-Site Quotes
Trading Since 2020
Close-up of timber retaining walls finished on site by Retain by Theo

Natural Finish, Properly Detailed

Plenty of Illawarra gardens need terracing that feels soft rather than structural, and that is where timber retaining walls earn their place. We build them for weatherboard and Federation homes across Wollongong, using treated pine rated for in-ground contact and durable hardwoods where grain and longevity matter. Posts go into concrete footings sized to the wall height and the load behind them.

Sleepers are fixed with structural fasteners, never nails, and the back face gets a membrane so the timber is not sitting in wet soil.


Drainage is never optional on timber, so every wall carries proper landscaping behind it. If a wall has already failed, our retaining walls team will tell you honestly whether repair or replacement makes sense. To talk through your site with Retain by Theo, call 0417 661 224 for a free quote.
  • Treated pine and durable hardwood
  • Durable hardwood options
  • Repairs and full replacements
  • Drainage membrane protection
  • Structural fixings throughout
  • Garden terracing and steps
Timber Retaining Walls completed by Retain by Theo for a local Illawarra property

Tell us about your project

Frequently Asked Questions

Timber Retaining Walls job site prepared and completed by Retain by Theo in the Illawarra

Where Timber Works Best

Timber is the right answer for a good deal of garden-scale retaining, and the wrong answer for some structural work. We will tell you honestly which one your project is before you spend anything.

  • Garden terracing, planter beds and low level changes
  • Steps and edging through sloping backyards
  • Treated pine rated for in-ground contact
  • Durable hardwood where the timber is a visible feature
  • Posts set in concrete footings sized to the wall height and load
  • Repair and replacement of failed or leaning timber walls
Talk to the Team
Timber Retaining Walls built by Retain by Theo in Wollongong