Last edited 02 Dec 2020

Fee consideration for architects

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See also Architect's Fees.


The RIBA are moving towards resource based fee calculation - promoting the RIBA fee calculator as a tool with outputs that can be used to explain fee calculation to clients.

The RIBA Practice committee highly recommends architects spend whatever time they need to carefully asses, formulate and present the details of the fee required for any job. The fee can then be explained and agreed with the client to form a basis of a transparent and successful relationship. Spending an adequate time on fee calculation will ensure an appropriate charge for architect’s services.

To establish the extent of services so that client has a clear understanding of the role and service the architect is about to engage, it is crucial that an appointment document is completed and signed by both parties. This will make clear, in writing what services will be provided and the conditions of engagement.

Once a clear scope and deliverables are set, it is possible to begin to asses the time involved in carrying out the works and start to asses corresponding fees that relate to specific packages of the work. The architect should issue the client with a programme and cash flow forecast so they know when to expect an invoice. This allows the client to prepare their finances accordingly. In addition it is imperative to make sure payment terms are clear.

Projects specific issues and business issues to be considered

Project specific considerations:

Wider practice / business considerations:

Professional obligations:

Calculation considerations

Empirical data:

Calculated prediction:

Ideally, perform a calculated prediction and test it against empirical data.

Typically, 70% 30% 10% - Salary Overheads Profit.


Consequences of missing these considerations;

  • Delays if revisiting information
  • Could potentially misinform the client–breach of duty
  • Could result in extra fees, or larger construction costs; may be liable to the architect
  • Could result in more serious disputes
  • Could result in the architect being under resourced , invite stress and unwanted pressures

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