A mature tree next door can feel like a blessing, until it starts casting your kitchen into shadow or turning your lawn into a moss patch.
If you’re wondering what your rights are (and whether you can just trim it back yourself), the answer is: it depends. But experts say most situations can be resolved without escalating into a full-blown dispute.
Here's what to do – before you reach for the shears.
Start with a conversation
Before looking up legal jargon, Dean Meadows, principal arboriculturist at Arbtech, says the simplest step is often the most effective.
‘The first step should always be a calm and friendly conversation with your neighbour,’ he explains. ‘In many cases, people simply aren’t aware that their tree is affecting someone else’s property.’
Rather than presenting it as a complaint, Dean suggests approaching the discussion with a practical proposal. ‘Consulting an arboriculturist beforehand can help you suggest reasonable, arboriculturally-sound works that would reduce shading without harming the tree.’
What you should avoid is escalating too quickly. Treating the situation as a legal dispute from the outset can make matters harder to resolve; as can carrying out works that involve entering your neighbour’s land without permission.
What are you actually allowed to cut?
When it comes to overhanging branches or roots, UK common law allows what’s known as a ‘right of abatement.’ In simple terms, you can prune anything that crosses your boundary — but only back to the boundary line itself.
‘You must not cross onto your neighbour’s land to carry out the work without their permission,’ Dean says. And any pruning must not be carried out in a way that causes unnecessary damage or destabilises the tree.
In practice, that means using proper technique, and often, a qualified contractor.
Loss of light is more complicated
‘A right to light is a specific property right that can arise when a window has received natural light for at least 20 years without interruption,’ Dean explains, with advice that's echoed by the Royal Horticultural Society.
‘However, these cases almost always relate to buildings rather than trees, and claims involving trees rarely succeed.’
Severe shading may sometimes fall under nuisance, and tall evergreen hedges are covered under High Hedges legislation, but most tree-related cases are resolved through proportionate pruning rather than formal legal action.
Check protection status before doing anything
Before arranging any trimming, it’s essential to check whether the tree is protected by a Tree Preservation Order (TPO) or sits within a conservation area.
‘Most pruning works require formal consent from the council before they can be carried out,’ Dean says. ‘Carrying out unauthorised work to a protected tree can result in significant fines.’
This applies even to relatively minor reductions, so it’s always worth checking with your local authority first.
If you’re pruning, technique and timing matter
If you’re legally entitled to prune overhanging branches, doing it correctly is key.
Allan Jeffrey, garden expert at Ultra Decking, advises: ‘Use sharp bypass loppers for smaller stems and a pruning saw for thicker branches.’
For larger limbs, he recommends a three-cut method: ‘Start by making an undercut a few inches from the trunk, as well as a top cut further out to remove the weight. Then perform a final clean cut just outside of the branch collar.’
Timing also plays a role. ‘The best time is usually late winter or early spring when the tree is dormant — unless it’s a cherry or plum tree, in which case summer would be best,’ he says. And avoid bird nesting season, typically March to August.
If in doubt, stop and consult a professional.
When you need to adapt your garden
Sometimes, particularly if a tree is protected, significant reduction simply isn’t realistic. That’s when adapting your garden becomes the smarter move.
‘Reduced sunlight can result in a lawn that appears patchy and full of moss,’ Allan explains. ‘Grass needs around four to six hours of direct sunlight to thrive.’
Excess shade can also mean damp ground, fungal issues and slippery decking. Rather than fighting it, Allan suggests embracing a woodland-style planting scheme.
‘Shade-tolerant perennials are key — consider hostas, ferns and heuchera,’ he says. Light-coloured decking, pale paving stones and softly painted fences can also help bounce available light back into the space.
A potential compromise to discuss with neighbours is crown lifting; removing the lowest branches to allow more dappled light at ground level without reducing the tree’s height or privacy benefits.
What insurance does — and doesn’t — cover
If a tree causes physical damage, that’s where insurance comes in.
‘Home insurance usually covers storm damage when a tree falls on your property – even if the tree belongs to your neighbour,’ says Matt Durrant, insurance expert from i4me.
Tree roots blocking drains may also be covered under accidental damage. But loss of light or blocked views are not insurance issues.
One of the biggest misconceptions is that if a neighbour's tree damages your property, you can simply claim on their insurance. 'In reality, you’ll usually need to claim on your own home insurance first,’ Matt explains, unless there’s clear evidence of negligence.
His advice is simple: document everything. Take photos, note dates (especially after storms) and keep records of conversations.
In most cases, the best outcomes come from cooperation and proportionate pruning — not legal action.
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