At Big Rock Building & Garden Supplies our goal is to provide our customers with top quality products at competitive prices with professional advice and friendly service.

Big Rock Building & Garden Supplies is a Bayswater institution. We have been the go-to destination for building and landscaping supplies for over 45 years. At Big Rock we offer a massive range of high-quality products and our service is second-to-none.

Trade Shop

Our trade shop compliments everything we sell outdoors. Some of our products include:

  • Crushed Rock
  • Toppings
  • Decorative Pebbles
  • Aggregates
  • Soils
  • Turf
  • Mulches & Barks
  • Sand
  • Concrete Mesh

For enquiries or to place an order call us on 03 9729 3177



We also cater for your driveways and paths providing only the best quality crushed rock, toppings, decomposed granite and crushed dust. You’ll also find a wide range of pebbles, rocks and other decorative supplies.

We also offer many other products including pavers, retaining wall products, slate products, sandstone products, concrete slabs, stepping stones, edging as well as all sorts of sleepers including used railway sleepers, new red gum sleepers, treated pine sleepers, pine poles, flexible garden edging, trellis, concrete pipes, firewood, timber pegs and stakes, mesh for concrete and stormwater pipes.