Where quiet overruns usually start
Hidden moving costs in Jesmond are usually not mystery charges. They come from delays that keep repeating: a longer carry than expected, a wait at the entrance, or furniture that needs more handling because the route is awkward. pricing usually moves with permit pressure, stair-heavy flats and how far the crew has to work from the nearest legal stopping point.
Those small time losses stack up quickly on a smaller move.
How to stop the quote drifting
The best protection is honesty about the job layout. In Jesmond, the real route from property to van matters more than optimistic assumptions made from the postcode alone.
Once access is described properly, it is much easier to avoid avoidable overruns.