It depends on the designer's experience, location, and the size and complexity of the project. Generally speaking, fees range from $50 to $200 per hour. Some designers may also charge a flat fee for a project, while others may require a deposit or retainer fee before starting work. always ask for references and be sure to get quotes in writing before hiring anyone.

It depends on the designer's experience and the size and complexity of the project. Generally speaking, a building designer will charge anywhere from $50 to $200 per hour. Keep in mind that not all designers are created equal. There are some very talented designers who charge a lower rate, and there are some who charge a higher rate but may not be as talented. It's important to interview several designers and get quotes before you make a decision.