Practical Guide

What Should I Do About a Fence Hidden Behind an Overgrown Hedge?

Cut the hedge back first and look. What you find is usually worse than you hoped and easier to fix than you fear.

Updated 1 September 2026 Garden Fencing · Hanham

The Short Answer

Cut the hedge back to expose the fence, clear the base, then assess it properly.

Expect the fence to be in poor condition — a hedge keeps timber permanently damp, and that is exactly what ends a fence. The moment it is exposed is the moment to deal with it, because that access will not last.

Why the Fence Will Be Bad

A hedge is the worst thing that can happen to a fence. It holds moisture against the timber year-round, drops leaf litter that builds soil up the boards, blocks airflow so nothing ever dries, and pushes against the panels as it grows. A fence inside a hedge ages several times faster than one in the open — and nobody notices, because nobody can see it.

The Sequence

StepWhy
1. Cut the hedge backExposes the line for the first time in years
2. Clear the baseYears of litter and soil off the timber
3. Assess post by postScrewdriver test at ground level
4. Establish ownershipTitle plan, and a word with the neighbour
5. Decide and act nowThe access window is short
6. Then maintain bothSo it does not close over again

The Decision

That fourth option is worth genuinely considering. A mature hedge and a fence on the same line is often one boundary too many — and the fence you are about to spend money on may not be doing anything the hedge is not already doing better.

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If You Replace It

The window in which a fence behind a hedge is reachable lasts about two years. Almost nobody uses it, and then it is twice the job.

Keeping Them Apart Afterwards

Whose Is Which?

Worth settling before cutting anything. The hedge and the fence may belong to different parties, and the hedge may sit on one side of the boundary with the fence on the other. Check the title plan for T-marks rather than relying on convention, and talk to the neighbour before exposing or replacing anything. Growth crossing onto your side may generally be cut back to the boundary, but the cuttings remain the owner's. This is general information rather than legal advice.

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FAQs

Fences Behind Hedges in Hanham — FAQs

What condition will a fence behind a hedge be in?

Usually poor. A hedge holds moisture against the timber year-round, drops litter that banks soil up the boards, and blocks airflow, so the fence ages several times faster than one in the open.

Should I cut the hedge back first?

Yes. You cannot assess or work on a fence you cannot reach, and clearing the base of years of litter is part of the assessment.

Should I replace the fence while the hedge is cut back?

Almost always. The access window lasts about two years before the hedge closes over again, and doing it later is twice the job.

Do I need both a hedge and a fence?

Often not. It is worth deciding which is actually doing the work rather than spending on a fence the hedge has made redundant.

What posts should I use if the hedge is staying?

Concrete, because the hedge will grow back against them and timber will not survive that indefinitely.

How do I stop it happening again?

Cut the hedge face annually, keep the base clear of litter and soil, leave an air gap where you can, and check the posts yearly.

Whose fence is it?

Check the title plan for T-marks rather than assuming. The hedge and fence may not even belong to the same party.

Can I cut the hedge if it is the neighbour's?

You may generally cut growth crossing onto your side back to the boundary, but not beyond, and the cuttings remain theirs.

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