Last autumn I was sent to Aldwins Road in Linwood to cut back a plum tree dropping fruit onto a neighbour’s driveway. Both owners were waiting on either side of a 1.2-metre paling fence, one holding the council’s tree pamphlet and the other a bucket of squashed plums. The trunk was about 300 millimetres on the western side of the fence line; the branches were a good three metres over the eastern side. Neither was sure whose tree it was, who could cut it, or who owned the plums. This comes up on boundary jobs constantly, so here is how it works in New Zealand.
The trunk decides who owns the tree
A tree belongs to the owner of the land the trunk stands on. Branches, roots and who planted it thirty years ago do not matter. If the trunk is wholly on your side of the surveyed boundary, it is your tree: the fruit, the firewood, the leaf litter, and the responsibility if it fails.
If the trunk straddles the boundary, the tree is generally treated as jointly owned. Neither neighbour can remove it without the other’s agreement, and each is expected to share its upkeep. This produces the longest arguments, because a jointly owned macrocarpa on a Canterbury boundary can cost NZ$4,000 to NZ$8,000 to remove and nobody wants to pay half for a tree they never wanted.
On the Linwood job the fence was not on the boundary; the old pegs were about 200 millimetres east of it. Once we found them, the trunk was clearly on the western title and the ownership question was settled in ten minutes.
Overhanging branches: what you can cut, and what you cannot
If a neighbour’s tree overhangs your land, you may cut the overhanging branches back to the boundary at your own cost. You do not need their permission, and you do not need council consent unless the tree is protected under the District Plan. You cannot cross the boundary, cut anything on their side, or cut in a way that harms or destabilises the tree, and cutting to the line gives you no right to climb their tree or put a ladder on their side of the fence.
The branches you remove still belong to the tree owner. In practice that means offering them back rather than dumping them over the fence, which is where most of the neighbour disputes I see begin. Roots are the same: you may cut roots on your side, but if that destabilises the tree and it falls, you are in a far weaker position than if you had left it alone and asked for an order.
Overhanging branch work on a residential boundary in Christchurch typically costs NZ$350 to NZ$1,200 depending on height and how much has to be lowered rather than dropped, more where the drop zone is a neighbour’s driveway or roof.
Fallen fruit, leaves and the mess
Fruit on an overhanging branch belongs to the tree owner, not the person whose lawn it lands on. Picking it off the branch without permission is technically taking someone else’s property. Once it has fallen on your land nobody is going to pursue you for eating a plum, but you also have no right to demand the owner collect it or pay for cleaning your driveway.
Leaves and needles are a nuisance you generally have to live with. Leaf fall alone is rarely enough for a court order against a tree. It starts to matter when the fall is blocking spouting or filling a drain in volumes out of all proportion to what a reasonable person should put up with.
When talking stops working
If a neighbour will not deal with a tree causing real problems, the Property Law Act 2007 lets you apply to the District Court for an order to remove or trim it. The court weighs the harm to you against the value of the tree and the cost to the owner, and can order the work done and decide who pays. It is neither quick nor free: expect filing fees in the low hundreds of dollars plus legal costs if you engage a lawyer. Smaller money claims for damage already done, such as a cracked path or a broken fence panel, can go to the Disputes Tribunal. The plain-language guide on the Ministry of Justice site is the right starting point before spending anything.
Coastal boundary trees add another layer, because pōhutukawa and other natives are often protected and a neighbour cannot simply cut to the line. There is a separate walk-through in the article on pruning coastal trees over the boundary at Mount Maunganui.
Frequently asked questions
Who owns a tree on the boundary line? The owner of the land the trunk stands on. If the trunk itself straddles the surveyed boundary, the tree is generally jointly owned and neither neighbour can remove it alone.
Can I cut my neighbour’s branches that hang over my fence? Yes, back to the boundary line at your own cost, provided you do not cross the boundary, damage the tree or breach any District Plan protection. The cuttings still belong to the tree owner.
Who owns fruit that falls into my garden from a neighbour’s tree? The tree owner, strictly. Fallen fruit is rarely disputed, but you cannot pick it from the overhanging branch without permission, and you cannot make the owner clean it up.