7 Signs a Tree Needs to Be Removed
Trees are a big part of what makes a property feel settled, and a good arborist would always rather keep a tree than cut it down. But sometimes a tree becomes unsafe, unhealthy or simply wrong for its spot.
Knowing the warning signs helps you act before a branch comes down in the next big southerly. Here’s what to look for.
1. Large Dead Branches or Dieback
Dead limbs are brittle and can drop without warning, often in wind that the rest of the tree handles easily.
Dieback, where the canopy dies back from the tips inwards, can point to root problems, disease or long-term stress. A few dead branches can usually be pruned out. When a large part of the crown is dead, removal is often the safer choice.
2. A New or Worsening Lean
Plenty of trees grow with a natural lean and are perfectly stable. The concern is a lean that appears suddenly or gets worse, especially after strong wind or heavy rain.
Look at the ground on the opposite side to the lean. Cracked, lifted or mounded soil, or roots that have pulled up out of the ground, can mean the root plate is starting to fail.
3. Fungi at the Base or on the Trunk
Mushrooms, brackets or other fungi growing from the base, roots or trunk often indicate decay inside the tree. What you see is only the fruiting body. Most of the damage is happening out of sight in the wood.
Not every fungus is a problem, but it’s always worth having an arborist take a look.
4. Cracks, Splits and Weak Forks
Deep vertical cracks in the trunk, or splits where two main stems meet, are structural weak points.
Trees with tight V-shaped forks, where bark gets trapped between the stems, are more likely to split under load. Sometimes these can be managed with pruning or weight reduction. In other cases, the risk is too high to leave.
5. A Hollow or Decaying Trunk
Cavities, soft or crumbly wood, and sawdust-like material around the base can all point to rot.
A tree can live for years with some internal decay, but once too much of the trunk is affected it may not be able to hold its own weight, let alone a Wellington gale.
6. Root Damage
Roots are often damaged by trenching, new driveways, building work or changes to the ground level around a tree. Because the damage is underground, the effects may not show in the canopy for a year or more.
If there’s been digging or construction close to a tree, keep an eye on it and get it checked if the canopy starts thinning.
7. The Wrong Tree in the Wrong Place
Some trees are healthy but have simply outgrown their space. Roots lifting paths or pushing against drains, branches scraping the roof, or a tree blocking all the winter sun can all be good reasons to remove it and replant with something better suited.
When Pruning Might Be Enough
Not every problem means the tree has to go. Targeted pruning, canopy reduction or weight reduction can often make a tree safer while keeping it on your property. Our structural pruning page explains the options.
If a smaller tree is healthy but in the wrong spot, tree transplanting is sometimes possible.
Check Before You Remove
Some trees are protected, particularly notable trees, trees on public land and trees in Significant Natural Areas. Read our guide on whether you need council consent to remove a tree in Wellington before any work starts.
Why Tree Removal Is a Job for Professionals
Removing a tree safely takes more than a chainsaw. Trees near houses, fences or other structures usually need to be taken down in sections rather than felled in one piece, and larger trees may need rigging, a crane or traffic management.
Our qualified team plans each removal around the tree, the site and the access, and can manage larger or more complex jobs from start to finish. Find out more about our tree removal service.
Get Your Tree Checked
If you’ve noticed any of these signs, we’re happy to take a look and give you honest advice, whether that’s pruning, monitoring or removal. We work across Wellington, Porirua, Lower Hutt, Upper Hutt and the Kāpiti Coast.
If the tree has been damaged in a storm or looks like it could fall, don’t wait. Contact our emergency tree team. Otherwise, get in touch for a free, no-obligation quote.

