Practical Guide

What Should I Do if a Tree Is Blocking Light From My Hengrove Garden?

Light is the commonest reason people call about a tree, and reduction is usually not the answer to it.

Updated 1 September 2026 Tree Surgery · Hengrove

The Short Answer

If it is your tree: a crown thin or crown lift usually restores more light than a reduction, for less money. Which one depends on where the shade falls and at what time of day.

If it is a neighbour's tree: there is no general legal right to light in a garden, and the high hedge legislation does not cover single trees. A conversation is the practical route.

Work Out Where the Shade Comes From

Which Work Restores Light

WorkEffect on lightCost
Crown thinDapples light through the whole crownModerate
Crown liftLight in underneath and from the sideLower
Targeted removalLight to one window or areaLowest
Crown reductionLess shadow overallHighest
FellingTotalVaries
DeadwoodingNone — it is safety workLow
Thinning is usually the answer for a deciduous tree, and it is the one people ask for least. Selectively removing branches throughout the crown lets light filter through without changing the tree's size or shape — the garden brightens, the tree still looks like itself, and it costs less than a reduction. It needs redoing every three to five years as the crown fills back in.

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If It Is a Neighbour's Tree

This is general information rather than legal advice. Where a tree is valuable, protected, or the relationship is already strained, a solicitor's view before acting is money well spent.

Making the Conversation Work

Almost every tree dispute we hear about could have been a conversation and a shared invoice two years earlier.

When the Tree Is Not the Problem

Tree Surgery in Hengrove

See what our tree surgery service covers in Hengrove, or read more about the service across the areas we work in.

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FAQs

Trees and Light in Hengrove — FAQs

What should I do if a tree is blocking light from my garden?

Work out where the shade falls and when, then get the tree assessed. A crown thin or lift usually restores more light than a reduction, for less money.

Which pruning restores the most light?

Thinning, for a deciduous tree — it lets light filter through the whole crown without changing the tree's size. A crown lift helps where shade falls low.

Do I have a right to light in my garden?

No general one. Rights to light concern windows and are a specialist legal area, and the high hedge process does not cover single trees.

Can I make my neighbour cut their tree?

Not usually for shade. You may cut growth crossing onto your side back to the boundary, but not beyond, and a Tree Preservation Order overrides even that.

How should I approach my neighbour?

Early, specifically, and offering to pay or share. Proposing thinning rather than reduction is easier to agree to and cheaper for whoever pays.

How long does thinning last?

Usually three to five years before the crown fills back in and it needs repeating.

What if the shade is worst in summer only?

That points to a deciduous tree in leaf, and thinning is likely to help most.

Could something else be causing the shade?

Often. A high fence, a hedge, an extension or a north-facing aspect can all cast more shade than the tree does — worth checking first.

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