What is the difference between stump grinding and stump removal?

Stump grinding shaves the stump 150–300mm below ground using a carbide cutting wheel, leaving the roots in the soil to decay over 5–10 years. Stump removal extracts the entire stump and main root plate with an excavator, leaving an open hole 1–2 metres wide that must be backfilled.

Both methods deal with the visible stump. The split is what happens underground. Grinding accepts that lateral roots will rot in place; removal physically pulls them out. That single difference drives every other contrast — cost, time, mess, and what you can do with the ground afterwards. See how the grinding process actually works for the mechanical detail.

A third option sometimes proposed is chemical killing with potassium nitrate or glyphosate-based products. The RHS does not recommend it for domestic gardens: it takes 3–12 months, leaves a dead stump in place, and washes residue into surrounding soil. For practical purposes the real choice is grinding versus full removal.

Which is better, stump grinding or stump removal?

For 90% of UK domestic gardens, stump grinding is better. It costs £100–£300, takes 15 minutes to 2 hours per stump, and leaves the surrounding lawn intact. Full removal is better only when you are building over the spot, lifting paving, or working within 5 metres of foundations on shrinkable clay.

Is stump grinding cheaper than removal?

Yes. UK stump grinding costs £100–£300 per stump. Full stump removal costs £200–£500+ because it requires an excavator, root extraction, soil reinstatement, and waste disposal. Grinding is typically 40–60% cheaper than removal for the same stump. The full cost breakdown by size, wood, and access covers the per-inch maths.

Removal also brings hidden costs: a 1-tonne mini-digger hire is £150–£250 per day, skip hire for spoil is £180–£350, and you usually need topsoil and turf afterwards. By the time the lawn looks normal again, a £350 quoted removal often totals £600.

Grinding prices scale linearly with diameter at roughly £2–£3 per inch above a £85–£150 minimum charge. Removal prices scale with the cube of the diameter, because the volume of soil to excavate grows fast: a 12-inch stump might cost £200 to dig out, but a 36-inch stump can pass £700 once spoil disposal and reinstatement are included.

Is it cheaper to grind or remove a stump?

It is cheaper to grind. Stump grinding averages £100–£300 in the UK; stump removal averages £200–£500+ and can pass £800 for large hardwoods needing mechanical excavation. Unless the roots must physically come out — for foundations or paving — grinding wins on price every time.

The price gap widens with stump size. A 24-inch oak grinds for about £200; the same oak removed with an excavator and waste disposal lands at £550–£700. The cutting disc does in 45 minutes what a digger needs half a day to do.

The exception is multi-stump jobs. Six leylandii stumps from a hedge removal grind for £180–£280 total because the machine is already on site; removing the same six with a digger is rarely under £900 because each root plate has to be lifted separately. Volume discounts apply far more aggressively to grinding than to removal.

Should I keep a tree stump or have it removed?

Remove it within 6–12 months of felling. A retained stump becomes a trip hazard, a habitat for wood-boring beetles, and a host for honey fungus (Armillaria mellea), which spreads through soil at up to 1 metre per year. Species like willow, poplar, and sycamore will also resprout suckers from a left-in stump.

The full case for removing every felled stump covers subsidence, pests, regrowth, and property value. The short version: in a managed garden, a stump creates more problems than it solves within two years.

Is it okay to leave tree stumps in the ground?

Only if the stump is in a wild corner more than 5 metres from buildings, paths, and other trees. Within a managed garden, leaving a stump invites honey fungus, which spreads up to 1 metre per year and can kill healthy adjacent trees. Stumps within 10 metres of a building on clay soil also risk subsidence as roots decay unevenly.

When should you choose full stump removal over grinding?

Choose full removal in four situations: laying foundations, an extension, or a driveway over the spot; surface roots lifting paving more than 25mm; the tree is within 5 metres of a building on shrinkable clay soil; or the stump is willow, poplar, or another aggressive sprouter where the roots will resucker. For lawns, beds, and ordinary replanting, grinding is sufficient.

Build over a ground stump and the residual roots can still cause heave as they decay unevenly over 5–10 years. Building regulations and most warranty providers require full removal under any new slab or load-bearing element.

If the felled tree was oak, beech, or sweet chestnut within 10 metres of a Victorian or Edwardian property on London Clay or Gault Clay — both common across East Kent — talk to a structural engineer before deciding. Sudden root death from grinding can trigger ground heave that lifts a footing 10–20mm over the following two winters.

Does stump grinding remove the roots?

No. Stump grinding removes the visible stump and the upper 150–300mm of the root crown, but lateral roots remain. They decay in place over 5–10 years and are typically harmless to lawns and beds. For most gardens that decay is invisible; the root decay timeline by species shows the realistic schedule.

Two cases where remaining roots matter: aggressive species (willow, poplar, sycamore) can sucker from the root crown if grinding does not go deep enough, and species with extensive lateral roots (sycamore, leylandii) may slow grass growth in a 1-metre radius for the first season. For suckering species the standard fix is to grind 300mm below ground rather than the usual 150mm — deep enough to destroy the cambium layer that sends up new shoots.

Can I plant a new tree after stump grinding?

Yes, but offset the new tree by at least 1 metre from the old stump position and wait 12–18 months before planting anything substantial. The ground-chip mixture is nitrogen-poor while decay is active, and decaying roots host fungi that can suppress a young replacement. For same-spot replanting, choose full removal instead.

If you are local to Canterbury or one of the 27 surrounding towns we cover, we will mark out a safe replant position on site and advise on soil amendment. For a fixed price by photo, send the stump details for a same-day quote.