Drainage Costs
Typical installation costs:
- Ag drain (per metre): $40-80/m
- Stormwater pit: $300-600 each
- PVC pipe (100mm): $30-60/m
- Channel drain: $80-150/m
- Soak well: $400-800 each
Common Projects
- Side of house drain (15m): $1,000-2,000
- Backyard drainage system: $2,000-5,000
- Driveway channel drain (6m): $600-1,200
- Full property solution: $3,000-10,000
Signs You Need Drainage
- Water pooling after rain
- Soggy lawn areas
- Water entering garage or house
- Erosion around foundations
- Mould or musty smells
Drainage Types
- Surface drains: Collect water from paved areas
- Subsurface (ag pipe): Removes ground water
- French drain: Gravel-filled trench with pipe
- Soak wells: Allow water to soak into ground