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FENCES & GATES

Fence Leaning

A leaning fence usually has one or more weakened posts, failed footings or panels that have overloaded the structure in strong wind.

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Stabilise loose panels and heavy gates first

Stop work if a fence could fall onto people, vehicles or a public area. Check for buried services before digging around posts.

MOST LIKELY CAUSES

Start with posts, fixings and alignment

Failed posts Rot or fracture removes structural support.
Footing movement Concrete or soil has shifted.
Wind damage Large solid panels create high loading.
Poor original installation Posts are too shallow, too far apart or undersized.
◫ Symptom variations Match the movement, lean or latching pattern. ⌄
  • Several panels lean together
  • Post tops are no longer vertical
  • Lean worsens after storms
  • Concrete cracks at bases
  • Gate alignment changes
✓ Quick checks Safe checks before dismantling the fence or gate. ⌄
  1. Identify the first post where the lean begins.
  2. Check every footing in the affected run.
  3. Inspect panel fixings and rails.
  4. Use a level on posts.
  5. Check for tree roots or soft ground.
Important: Correct failed posts and structure before adjusting panels, hinges or latches.
1 Step 1 — Brace the fence temporarily Make the smallest safe correction and retest. ⌄

Prevent further movement before repairs.

2 Step 2 — Replace or reinforce failed posts Make the smallest safe correction and retest. ⌄

Correct the structural supports first.

3 Step 3 — Re-align and refix panels Make the smallest safe correction and retest. ⌄

Only after posts are secure and vertical.

⌁ Why the problem happens How wind, weight, moisture and fixings affect the structure. ⌄

A fence is only as strong as its posts. Once one support fails, adjacent bays transfer extra load and may begin leaning too.

⌘ Advanced checks Further diagnosis for persistent outdoor faults. ⌄
  1. Check footing size and depth.
  2. Assess wind exposure.
  3. Inspect gravel-board alignment.
  4. Check boundary-level changes.
  5. Review panel permeability.
◇ Tools and information needed Useful items for accurate checks. ⌄
  • Spirit level
  • Temporary braces
  • Spade
  • Drill
  • Tape measure
▣ Parts that may need replacing Common fencing and gate components linked to this fault. ⌄
  • Posts
  • Concrete or post mix
  • Repair spurs
  • Fence clips
  • Replacement panels
! When to call a professional Conditions that should end basic DIY diagnosis. ⌄
  • The fence may fall onto people or vehicles.
  • The lean affects a long run.
  • Ground movement is suspected.
  • The fence is unusually tall.
  • Boundary responsibility is disputed.
? Frequently asked questions Common fence and gate questions. ⌄

Can I pull it upright and screw it?

Not safely unless the failed posts or footings are repaired.

Why did one storm cause it?

The structure was often already weakened before the storm.

Should all posts be replaced?

Only failed or badly aged posts, but inspect the full run.