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FENCES & GATES

Gate Latch Not Working

A gate latch usually fails because it is misaligned, corroded, loose or worn, or because the gate itself has sagged.

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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

Misalignment The latch misses the keep.
Corrosion or dirt The moving parts bind.
Loose fixings The latch body or keep moves.
Worn spring or mechanism The latch no longer returns or holds.
◫ Symptom variations Match the movement, lean or latching pattern. ⌄
  • Latch will not catch
  • Latch sticks open
  • Gate opens in wind
  • Handle feels loose
  • Keep plate rattles
✓ Quick checks Safe checks before dismantling the fence or gate. ⌄
  1. Test the latch with the gate open.
  2. Check whether lifting the gate helps.
  3. Inspect screws and bolts.
  4. Clean visible dirt and rust.
  5. Check spring return.
Important: Correct failed posts and structure before adjusting panels, hinges or latches.
1 Step 1 — Correct gate alignment Make the smallest safe correction and retest. ⌄

Repair sagging before adjusting the latch.

2 Step 2 — Clean and secure the hardware Make the smallest safe correction and retest. ⌄

Tighten fixings and use suitable lubricant.

3 Step 3 — Replace worn parts Make the smallest safe correction and retest. ⌄

Fit a weather-resistant latch matched to the gate.

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

Outdoor latches face rain, dirt and repeated impact. Misalignment accelerates wear.

⌘ Advanced checks Further diagnosis for persistent outdoor faults. ⌄
  1. Check latch throw.
  2. Inspect keep geometry.
  3. Assess galvanic corrosion.
  4. Check gate stop position.
  5. Review child-safety requirements.
◇ Tools and information needed Useful items for accurate checks. ⌄
  • Screwdrivers
  • Spanners
  • Wire brush
  • Suitable lubricant
  • Drill
▣ Parts that may need replacing Common fencing and gate components linked to this fault. ⌄
  • Gate latch
  • Keep plate
  • Exterior fixings
  • Spring
  • Gate stop
! When to call a professional Conditions that should end basic DIY diagnosis. ⌄
  • The gate controls pool or child safety.
  • The latch is part of access control.
  • The gate is very heavy.
  • Posts are unstable.
  • Security is compromised.
? Frequently asked questions Common fence and gate questions. ⌄

Can I just lubricate it?

Only if alignment and wear are not the real problem.

Why does lifting the gate help?

The gate has probably sagged.

Which lubricant should I use?

Use a product suitable for outdoor hardware and the latch material.