Planning Guide

Should Overgrown Hedges Be Cut Back Before New Fencing in Brislington?

Yes. And once it is cut back you can answer the more useful question: do you need both a hedge and a fence?

Updated 1 September 2026 Garden Fencing · Brislington

The Short Answer

Cut back first, always. You cannot set a line you cannot see, working through growth is far slower, and cutting back regularly reveals things that change the job — including an existing fence in poor condition.

Then decide whether the hedge stays, because that changes what you should build.

What Cutting Back Reveals

The boundary line is the one that matters. Once years of growth comes off, the line frequently turns out not to be where either neighbour assumed. Far better to discover that with an open boundary and time to talk than after posts are concreted in — moving a fence afterwards is expensive, and moving it after a disagreement is worse.

The Decision: Does the Hedge Stay?

OptionGround recoveredTrade-off
Keep the hedge, no fenceNoneStill needs cutting; no hard boundary
Keep it, fence alongsideLittleOne hedge face becomes hard to reach
Remove it, fence the lineThe mostLoses height, wildlife value, softness
Remove it, fence with planting in frontMost, then someOften the best compromise
Fencing alongside a hedge you are keeping has a hidden cost. Once the fence is in, the hedge face behind it becomes difficult or impossible to cut — so it grows against the fence, holds moisture on the timber, and shortens the fence's life considerably. If the hedge is staying, either leave a workable gap or specify concrete posts and accept the shorter life.

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Why Fencing Through Growth Costs More

The Order

Ten minutes looking at a cleared boundary together saves more money than any other conversation in fencing.

Timing

Before You Decide

This is general guidance rather than legal advice; boundary responsibility comes from your title deeds.

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FAQs

Hedges and New Fencing in Brislington — FAQs

Should hedges be cut back before new fencing?

Yes, always. You cannot set a line you cannot see, working through growth is far slower, and cutting back reveals things that change the job.

What does cutting back reveal?

The actual boundary line, any existing fence and its condition, tree roots affecting post positions, level differences, and how much ground the hedge occupies.

Should I keep the hedge or remove it?

Removing it recovers the most ground and eliminates the maintenance, but loses height, wildlife value and softness. A fence with planting in front is a middle path.

Can I fence alongside a hedge I am keeping?

Yes, but the hedge face behind the fence becomes hard to cut, grows against the timber and shortens the fence's life. Leave a workable gap if you can.

What if the boundary is not where we thought?

Far better to find out with an open boundary and time to talk than after posts are concreted in. Check the title plan and agree it first.

Is there likely to be a fence inside the hedge?

Frequently, and usually in poor condition — a hedge keeps timber permanently damp.

When should this be done?

Autumn or winter suits hedge removal, and nesting birds are protected from around March to August so the hedge must be checked first.

Is it cheaper to combine the stages?

Yes. One set-up, and hedge waste, old fence and post spoil all leave together rather than in separate loads.

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