Drainage, heating and leak problems make up most dishwasher breakdowns. A worn door seal, a failed or blocked pump, or a heating element that has given up are the usual causes, and in many homes the machine sits behind a cabinet door that must be lifted before work can start.
The cause is rarely obvious from the outside. On the visit the engineer checks the water level, clears the drain and tests the heating, so the finding is a measured diagnosis rather than a guess.
The fixed labour quote is agreed before anyone arrives, and the extra time to reach an integrated dishwasher is built into it. Removing the door and sliding the machine out and back is part of the job, not an extra charge.
That holds in a fitted estate kitchen and in a compact city-centre apartment. The space around the machine changes how tight the job is, but the quoted labour stays as set.
A worn seal or blocked pump is often cheap to put right once the machine is free. A failed heater is a larger job, and the engineer sets out the cost and the benefit before fitting anything.
If the pump or control board is costly and the dishwasher is years old, replacement is often the more economical route. The repair price is set beside a reasonable new machine, and the decision grows clearer with that comparison.