Find the first moving component
Push gently at posts and rails while observing connections. Check whether the foundation moves in the soil or the post moves inside the foundation.
Correct the cause, not only the line
Temporary braces can make a fence look straight while decay or an undersized gate post continues. Repair may require resetting or replacing structural components.
Recheck connected runs
Straightening one post changes loads and alignment nearby. Test gates and inspect adjacent rails after repair.
Turn the general advice into a project decision
The useful question is not whether loose posts, leaning panels and gate sag is important; it is how the issue changes this property. Review the route, users, climate, maintenance access and local requirements, then connect those facts to find the first moving component, correct the cause, not only the line and recheck connected runs.
Write down any assumption that has not been confirmed. An assumption about grade, ownership, wind, buried services or product compatibility should remain visible until somebody with reliable information resolves it.
Questions to settle
- What site fact or local rule confirms the approach to find the first moving component?
- What trade-off created by correct the cause, not only the line is acceptable, and who accepted it?
- How will recheck connected runs be inspected or maintained after the fence is complete?
- Which part of the decision depends on a manufacturer, local authority, utility service, surveyor, contractor or engineer?
- What changed condition—soil, grade, use, neighbour access, climate or damage—would require the plan to be reviewed?
Records worth keeping
Use dated photographs from the same viewpoints. Small movement, fading or corrosion is easier to judge when compared with an earlier inspection.
When to pause and get local help
Pause a repair when movement is structural, electrical hazards are nearby, or the fence is unstable enough to fall. Secure the area and use qualified help rather than forcing damaged parts into line.