Blocked Drains in Oban
Oban's combined sewer system—where toilet waste and surface water flow through the same pipes—means blockages hit differently in Oban than in towns with separate drainage. Add Victorian clay pipework in older properties across PA34, PA35, PA36, and PA37, and Oban faces unique drain challenges. Heavy rainfall in Oban can cause surcharge (backup) in combined drains, whilst root intrusion and silt accumulation plague older clay pipes throughout Oban.
Blocked drain removal in Oban typically costs £150–£400 if cleared by jetting or clearance. If Oban requires excavation and pipe replacement (common in Victorian properties PA34–PA37), costs range from £800 to £8,000+ depending on depth, length, and soil conditions.
Drainage in Oban — what local engineers know
Oban is served by Scottish Water and regulated by Argyll and Bute Council. The town's combined sewerage network, built in the 1890s–1920s, means a single blockage in Oban affects both foul and surface drainage—risking environmental spillage and council enforcement. Oban's medium flood risk makes basement and ground-level drains vulnerable: during heavy rainfall, the combined system can surcharge, pushing foul water back into Oban properties. Victorian clay pipes in older Oban districts (PA34, PA35) are prone to collapse, root invasion, and silt accumulation. Scottish Water operates the combined network; Argyll and Bute Council monitors environmental discharge standards for Oban.
- Soft water supply reduces limescale, but slightly acidic pH can accelerate corrosion of copper fittings and lead joints in older Oban properties
- Combined sewerage infrastructure — common in older parts of Oban — means foul and surface water share the same pipe, increasing surcharge risk during heavy rainfall
- Moderate flood risk in parts of Oban — drainage systems near low-lying areas can surcharge after prolonged rain, and sump pump maintenance is advisable
- With 28% of properties built before 1920, salt-glazed clay drainage and lead-solder copper pipework are common — pipe collapse, root ingress and joint failure are recurring call-out drivers.
What happens when you call us in Oban
- 1 Immediate dispatch. We find the nearest available engineer covering PA34/PA35 and confirm the ETA before the call ends.
- 2 On-site diagnosis — no guessing. The engineer inspects using professional-grade equipment including CCTV where needed and quotes a fixed price before work starts.
- 3 Job complete, report issued. You receive a written completion report. All work is guaranteed — same fault returns within the guarantee period, we come back free.
