Stump Grinding from Berry Through to Ulladulla

The stump is the part everyone puts off

A tree comes down at Bomaderry or Sanctuary Point, the crew clears the timber, the driveway gets swept, and everyone is happy. Then the stump sits there. It gets mowed around all summer, someone catches an ankle on it, and two years later it is still in the middle of the lawn with a ring of suckers around it.

That is the single most common stump job across the Shoalhaven — not a fresh removal, but a stump someone has been living with. Old spotted gum and blackbutt stumps on the ridges above Nowra, wind-thrown banksias in the dune sand near Culburra Beach and Callala Bay, camphor laurels in older gardens around Berry and Milton, and palm stumps in front yards from Vincentia through to Ulladulla. Different timber, different machine time, same conversation.

Grinding, digging or waiting: which one you actually want

Grinding is the standard answer. A rotating cutting wheel with carbide teeth chews the stump and the top of the root plate down into chip, working across the stump in passes. It is fast, it does not need an excavator, and it leaves a hole rather than a crater.

Excavation — pulling the whole root plate out with a machine — is occasionally required, usually where footings are going in or the ground is being re-levelled anyway. It is more disruptive, needs access for plant, and leaves a large hole to fill.

Waiting for it to rot is free and slow. Dense South Coast hardwood does not break down quickly, and while you wait you are dealing with the trip hazard, the termite attraction and the suckering. Chemical stump killers are sometimes suggested; they do not remove anything, they just kill regrowth, and you still have a stump.

For nearly every domestic job in the Shoalhaven, grinding is the sensible option.

What is under the stump matters more than the stump

This is where jobs go wrong, and it is worth a paragraph of your attention.

A grinder cannot see. Water services, irrigation lines, gas, telecommunications, electrical conduit to a shed or pool pump, septic and stormwater lines, and old fence footings are all invisible until a carbide tooth finds them. Before any grinding, the location of underground services needs to be established — Before You Dig Australia (formerly Dial Before You Dig) provides free plans for underground infrastructure and can be reached on 1100 or at byda.com.au. Plans do not show private lines you or a previous owner installed, so if you know there is an irrigation run or a conduit to the shed, say so before the machine starts.

Ground type changes the job too:

• Dune sand around Culburra Beach, Callala Bay and Sanctuary Point grinds fast and clean, but the hole slumps and needs proper backfill.
• River silts on the Terara and Bomaderry flats hold water and turn to mud under a machine after rain. Timing matters.
• Clay over sandstone up around Cambewarra and Bomaderry Creek is where the surprises live — rock sitting hard against the root plate will blunt teeth and slow everything down.
• Sandy loam with buried builder's rubble, common on older subdivided blocks, is the other teeth-killer.

Species, and why the quote is not just about diameter

People price a stump by how wide it is. Crews price it by how wide it is, how much of the root plate has to go, and what the timber is.

Spotted gum and blackbutt are dense, hard and slow. A wide old blackbutt stump with buttress roots running out under a path is a very different proposition to a soft wattle of the same diameter.

Bangalay near the shoreline throws surface roots wide, so if you are re-turfing you generally want more than the visible stump taken out.

Coast banksia and old man banksia in loose sand come out relatively easily — often the fastest jobs on the coast.

Camphor laurel and privet must be ground properly or they will re-shoot from what is left. Partial grinding on these is money wasted.

Palm stumps are fibrous and water-heavy rather than woody, and they behave completely differently under a grinding wheel. Mention it when you enquire — see palm removal.

The chip pile, and what to do with it

Grinding does not make the stump vanish; it converts it into a pile of chip and soil mixed together, and there is more of it than you expect, because ground material expands.

Three options, decided with you on site:

1. Backfill the hole. Cheapest. It settles noticeably over the following months, so plan on topping it up.
2. Backfill with the chip, then cap with topsoil. What you want if you are turfing. Stump chip is a poor growing medium on its own — it is coarse, it ties up nitrogen as it breaks down, and turf laid straight onto it will sulk.
3. Take it away entirely and bring in clean fill. The right call before paving, a slab, or planting a replacement tree in the same hole.

Stump chip is also a different product to the clean woodchip from a chipper, so keep it away from garden beds you are planting into shortly. The general green waste side of things is covered on mulching & green waste removal.

Bundle it with the removal if you can

Bringing a grinder back as a separate visit means a second mobilisation, and you pay for it. If a tree is coming out, get the stump quoted in the same job — see tree removal. The same applies after a storm event: if a tree has been cut up and cleared under emergency & storm damage tree work, the stump is usually still sitting there, and it is cheaper to deal with while the crew is already on site. For larger multi-stump jobs on a building block, see land & block clearing.

Council and stumps

Removing a stump from a tree that has already been legitimately removed is generally a different question to removing a living tree, but do not assume it is unregulated — vegetation and land management controls can still apply, particularly near watercourses, on bushfire prone land or in conservation and waterway zones. If your block is anything other than ordinary urban residential, confirm the position with Shoalhaven City Council on 1300 293 111 before booking. This page is general information, not approval.

Stump grinding is available across the region — the full town list is on areas we cover, and everything else we handle is on the home page.

Call (02) 4400 9336 with the stump diameter, the gate width and what you plan to do with the ground — that is enough for a real quote.