Some methods of billing for residential Interior Design Services are fairly easy and uncomplicated such as the percentage over costs charge, the hourly charge and the cost per square foot charge. Many Commercial Interior Designers are more inclined to executing more dauntimng commercial interior design jobs so using the combination billing method of charging for their design services is better for them. The combination interior design rates option is normally advisable for commercial Interior Design Firms as it may involve a vast scope of jobs that normally involve other specialists within the building profession such as electrical engineers, structural engineers, architects and many more. They will all have to work together with an objective of a successful final commercial interior design campaign delivery.

During the initial interview between the two parties, Commercial Interior Designers will already know that the commercial interior design campaign will involve a large scope of services and therefore at this phase of the proceedings the client is made to understand that there definitely may not be one form of payment method for the entire campaign due to its more complex nature.

Assuming the initial interviews have been accomplished between the client and the commercial interior designer then they will know the commercial Interior Design Services expected for the campaign. The general familiarization which happens between the two parties has been established at this initial phase so it is now time to proceed with the commercial interior design campaign and it should begin with space planning.

Many respectable commercial Interior Design Firms may suggest that the initial space planning be done on a per square footage basis. This is common in contract commercial Interior Design Services where you require to be absolute that the space being considered is totally capable to fulfill all interior space wants and several different areas should be considered before a final decision is made. This may sound like an unnecessary expense; neverthelessr it is better to know that any space rented or purchased will meet all the necessary wants of the client.

Area planning can also be charged at a fixed fee option as the scope of work is fairly apparent in any commercial interior design campaign. With this payment option, consumers and Commercial Interior Designers can discuss extensively the scope of the interior design works involved and then an agreeable fee is then set. Fixed charges will cover all contingencies and on a final agreement and an agreed percentage of this fee is then paid by the client in advance before the start of the commercial interior design campaign.

Since commercial interior design will obviously contain the order of items of decoration and pieces of furniture, percentage above costs billing can unquestionably be used in this example. So in essence the space planning aspect of the interior design campaign is billed on a per square footage or by fixed fees whilst the ordering of furniture and fixtures can be charged using percentage over costs. This charging method is the one that most commercial Interior Design Firms likes to employ.