When an architect presents a fee, the number is only half the story; the structure behind it is the other half. Percentage, fixed, and hourly are the common ways architects charge, and each carries its own logic, its own advantages, and its own risks for the client. Understanding them lets you read a fee proposal for what it actually says, rather than reacting to a single figure out of context. Clarity here protects both parties and starts the relationship on honest footing.
Percentage of construction cost
In this structure, the fee is expressed as a percentage of the project's construction cost. Its logic is that the architect's effort tends to scale with the scope and value of what is being built, and it aligns the fee with the size of the undertaking. Its advantage is simplicity and a rough proportionality to the work. Its subtlety is that the construction cost is not fully known until late, so the fee is estimated against a projected cost and settled as the real figure emerges. A clear percentage arrangement defines how the base cost is determined and how changes in scope affect the fee.
Fixed fee
Here the architect proposes a set amount for a clearly defined scope of work. Its great virtue is predictability; the client knows the fee in advance, which aids budgeting and reduces uncertainty. Its requirement is a well-defined scope, because a fixed fee is only fair and workable when both parties agree precisely on what it covers. When the scope is clear and stable, a fixed fee is often the most comfortable arrangement for everyone. When the scope is genuinely uncertain, a fixed fee either carries a cushion for the unknown or invites friction when the unforeseen arrives.
Hourly
In an hourly arrangement, the architect is paid for time actually spent, at agreed rates. Its logic suits work whose extent cannot be known in advance, such as early exploration, undefined scopes, or open-ended involvement. Its advantage is fairness to both sides when the work is genuinely unpredictable; the client pays for what is done, no more and no less. Its requirement is trust and transparency, since the client is relying on honest accounting of time. Hourly work often carries a not-to-exceed limit or regular reporting to keep it comfortable and predictable.
Combinations and phases
In practice, engagements often blend these structures across the phases of a project. Early, exploratory work where the scope is unclear may be hourly; a well-defined middle phase may be fixed; the overall engagement may be framed as a percentage. This is not evasion but good sense; different phases have different degrees of certainty, and matching the fee structure to that certainty serves both parties. A thoughtful proposal explains which structure applies where, and why.
What matters more than the structure
No single structure is superior; each fits certain circumstances. What matters more than the label is the clarity around it: a well-defined scope, a transparent basis, a shared understanding of what is included and excluded, and an agreed way of handling changes and additional services. A generous-sounding fee with a vague scope can cost more, and more painfully, than a higher fee with a clear one. The structure is a tool; the clarity is the protection.
How to proceed
When you receive a fee proposal, read the structure as carefully as the number. Ask what scope it covers, how it is calculated, what is excluded, and how changes are handled. Understand which consultants are included. And remember that the right structure depends on your project's certainty and complexity; discuss which fits yours and why. Any specific figures belong to a specific project and scope, and should be worked through directly rather than assumed. A fee understood this way is not a source of anxiety but the clear beginning of a working relationship.
Work with MÉTODO
MÉTODO is an architecture studio working between Mexico City and Denver, pursuing the metaphysical through design and observation. If you are weighing a project in Colorado and want a clear-eyed reading of what it will take, schedule a conversation or reach us on WhatsApp. We would rather talk early, before the first line is drawn, than fix assumptions later.