Drainage in Mount Roskill, Auckland
Drainage repairs, blocked drain clearing, stormwater management, and sewer line services across Auckland.
Drainage services in Mount Roskill cover blocked drains, stormwater systems, sewer lines, downpipe installation, and drain cleaning. Muir Plumbing, Gas & Drainage holds a drain layer licence and handles everything from a blocked kitchen drain to a failed sewer line or overflowing stormwater system. A blocked drain job typically costs NZD $200–$600 depending on access and severity; sewer line repairs range $800–$5,000+ depending on the length and method. We serve Mount Roskill, Blockhouse Bay, Epsom, and surrounding Auckland suburbs. Recurring blockages often point to a structural issue — we investigate and fix the root cause, not just clear the symptom.
| Service | What's involved | Typical cost (NZD) | Time |
|---|---|---|---|
| Blocked kitchen drain | Rod or hydro-jet to clear | $200–$400 | 1–2 hrs |
| Blocked outdoor drain | Clear obstruction, inspect condition | $200–$450 | 1–2 hrs |
| Blocked sewer line | Rod, jet, or camera to locate | $350–$800 | 2–4 hrs |
| Sewer line repair / re-line | Dig, repair or reline section | $800–$5,000+ | 1–3 days |
| Stormwater pipe install / repair | Downpipes, sumps, soakpit or street connection | $600–$3,000 | 1–2 days |
| Sump pump installation | Install pump, outlet pipe, float switch | $800–$2,000 | Half–1 day |
How do you clear blocked drains?
- Rods or a hydro-jet — we use high-pressure water to blast through blockages and clean pipe walls
- Camera inspection for recurring blockages to find root cause (tree roots, collapsed pipe, fat build-up)
- We don't just clear and leave — if there's a structural issue we explain it and quote the fix
- Kitchen drains blocked by grease and food build-up are the most common call-out
For related work, see our Leak detection services.
What's the difference between stormwater and sewer drainage?
- Stormwater drains collect rainwater from roofs and paved areas — flows to the street or soakpit
- Sewer drains carry wastewater from toilets, showers, and sinks to the council sewer main
- They must not be cross-connected — this is a code violation and causes serious problems
- Auckland Council requires separate stormwater and sewer systems
For related work, see our Roof & spouting repair services.
Do you install sump pumps and downpipes?
- Yes — sump pump installation for low-lying areas prone to water pooling
- Downpipe installation and replacement to handle overflow from spouting
- Stormwater management including soakpits and street connections
- We design the drainage layout to work with Auckland Council requirements
For related work, see our Roof & spouting repair services.
Can tree roots block my drains and how do you fix it?
- Yes — tree roots are one of the most common causes of recurring blockages in Auckland's older suburbs
- Roots enter through small cracks or joints in clay and earthenware pipes common in pre-1980 homes
- We use a drain camera to confirm root intrusion before quoting — not every blockage is roots
- Options include hydro-jetting, cutting roots with a specialist head, or repairing/replacing the affected section
For related work, see our Leak detection services.
Common questions
Drainage — FAQ
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Last updated: 5 June 2026