Question: how much does power washing cost per square foot?
Answer: High-pressure cleaning costs $150 for 1 - 30 square metres, $180 for 40 square metres, $200 for 50 square metres and $325 for 100 square metres. Price also depends on area to be cleaned: $200 for a driveway, $150 for patio paving and $350 for the exterior of your home.