Is a sewer scope worth adding to an inspection for an older Auckland home?

One view is that a general inspection should be enough unless the drains show symptoms; the other is that an older house with mature trees nearby deserves a sewer check regardless. We have booked the main inspection for a 160 m² detached home in Auckland, but the private drain is outside its scope.

A full replacement has been estimated at NZ$59,400 if it proved necessary, while the camera inspection would cost much less. I am still trying to preserve money for the move, early repairs and the first mortgage payment rather than ordering every optional check. Would you first confirm the pipe material, route and access point, or is the age and tree location already sufficient reason to book the scope?
 
With an older house, nearby mature trees and that potential replacement figure, I would add it. The useful comparison isn’t scope cost versus a guaranteed NZ$59,400 bill; it’s scope cost versus the uncertainty you would otherwise accept. Ask whether you receive the recording and a clear description of any roots, cracks or displaced sections.
 
One missing detail: do you know the pipe material, age, route and where the private section ends? Also check whether there is an accessible inspection point. If access is difficult, find out beforehand what the quoted scope fee actually covers rather than discovering on inspection day that only part of the line can be viewed.
 
I’d be cautious about letting the NZ$59,400 estimate drive the decision too strongly. A full-replacement estimate is not evidence that replacement is likely, and a scope may identify something minor or inconclusive. Still, the trees make it a sensible extra if the cost won’t reduce your emergency fund below a comfortable level. I’d prioritise it ahead of furniture, but not ahead of insurance excess, moving costs and known urgent repairs.
 
Before booking, send the scope provider the property details and ask three things: how far they expect to inspect, whether they can identify the location of a defect, and what happens if the line cannot be accessed. Then use any finding to request a repair opinion rather than assuming every defect means full replacement. Responsibility for the affected section can depend on exactly where it sits, so confirm that locally as well.
 
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