Outdoor & Fencing · Exterior
Fix a Broken Letterbox Door

Repair summary
Sun-bombed plastic flaps and rusted hinges are the usual failures. Unscrew the old plate or replace the whole insert. For brick letterboxes, drill new fixing holes with a masonry bit and use plastic plugs.
Likely issue
UV-damaged flap or seized hinge
DIY difficulty
2/5
Estimated DIY cost
$35–$60
Estimated tradie cost
$150–$280
Tools required
- Drill / driver
- Masonry bit
- Screwdriver
Materials required
Step-by-step instructions
- Measure the opening before buying the replacement front.
- Sun-bombed plastic flaps and rusted hinges are the usual failures. Unscrew the old plate or replace the whole insert. For brick letterboxes, drill new fixing holes with a masonry bit and use plastic plugs.
Safety warnings
Wear appropriate PPE (gloves, safety glasses), isolate power or water where relevant, and stop work if anything looks unsafe or unfamiliar.
When to call a tradie
Call a licensed tradie if the work is outside the scope of this guide, involves regulated trades (electrical, gas, structural, waterproofing), or if you discover hidden damage. A professional will typically charge $150–$280.
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