Price is shaped by workload, frequency, use of the premises, working hours, methods and separately agreed services.
Labour time is the main cost driver
The key question is how much work is required to achieve the agreed quality level. Floor area helps, but room types, furnishing, footfall and soil load change the workload.
Timing and specialist methods matter
Evening, night or weekend work, high-level access, mechanical floor care and special safety arrangements can affect price. Consumables and specialist tasks should also be separated from the baseline.
Ask for a comparable quote
The lowest hourly rate does not reveal total cost when hours, task lists and quality follow-up differ. Ask for a written service description and a clear list of separately charged work.