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Architecture Invoice Template

Phase billing, percentage fees, consultants and reimbursables. Free PDF, no sign-up.

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Architectural fees are usually a percentage of a construction cost that keeps moving, billed across phases that overlap. The invoice has to say which phase, what percentage of it is complete, and what the fee is being calculated against — otherwise the client is checking arithmetic they cannot see.

INVOICE Issued
Invoice number:INV-0001
Date of issue:August 2, 2026
Date due:August 16, 2026
Currency:USD
Issued by
Verity Hall Architects
12 Drafting Court
97205 Portland, OR
United States
accounts@verityhall.example
Bill to
Alderbrook Development LLC
900 Riverfront Way
98660 Vancouver, WA
United States
finance@alderbrookdev.example
Amount due
$49,120.00
Due in 14 days · Aug 16, 2026
Project
Project 2026-07, Alderbrook Mixed-Use. Fee is 7.5% of the current construction cost estimate of $11.2M. The option study was requested after design development began and is billed as an additional service.
Description Qty Rate Tax Amount
Design development — 40% of phase
Phase fee $84,000; 65% complete now, 25% previously invoiced
1$33,600.00—$33,600.00
Structural consultant
Wexler Engineering, at cost, invoice attached
1$9,400.00—$9,400.00
Additional services — revised massing
Client-requested option study, 26 hours
26$190.00—$4,940.00
Reimbursables
Large-format printing and permit application fees
1$1,180.00—$1,180.00
Subtotal$49,120.00
Total$49,120.00
Amount due $49,120.00
Terms
Net 30. Fees are recalculated at each phase against the current cost estimate.
Invoice #INV-0001 · Verity Hall Architects · Page 1 of 1

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What to put on a architecture invoice

  • The project name and number, and the phase being billed
  • The fee basis: percentage of construction cost, fixed fee, or hourly
  • Percentage of the phase complete, and what was invoiced previously
  • Consultant fees — structural, MEP, civil — passed through and named
  • Reimbursables such as printing, permits and travel, at cost
  • Additional services outside the agreement, each with its authorisation

Questions

How do I show percentage-of-phase billing?

State the phase fee, the percentage complete now, the percentage previously invoiced, and the difference. Four numbers turn an unverifiable figure into arithmetic the client can follow.

Should consultants be billed through me?

Only if you hold their contracts. If you do, list them individually at cost or with a stated coordination fee — a lump 'consultants' line is the one that stalls in review.

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