A lot of kilometres: 367,073 km, about 1.4 times what a 18-year-old car usually has. Ask for the service history, and when the timing belt and clutch were last done.
An older car: 18 years old. Cars over ten years need an NCT every year, and repairs and parts weigh more in what it costs to keep.
The NCT runs out in January 2027: budget for the test and any repairs it asks for.