Architect fees under HOAI, estimated in a minute.
Enter the eligible costs, the fee zone and the commissioned service phases. The calculator interpolates the official § 35 HOAI 2021 fee table and shows the basic fee rate for buildings and interior spaces.
Service profile Buildings and interior spaces (§ 34/35 HOAI)
Cost basis per DIN 276, excluding VAT. Table range: €25,000 to €25,000,000.
III · average requirements. Planning complexity per the six assessment criteria of § 35. Typical residential case: zone III.
Freely negotiable since HOAI 2021. 0% = basic fee rate, 100% = upper fee rate of the zone.
The fee is the sum of the percentages of the selected phases (§ 34 para. 3).
Orientation value from the fee table in § 35 HOAI 2021 (buildings and interior spaces). Since HOAI 2021, fees are freely negotiable; this is a non-binding estimate and does not replace fee or legal advice. Eligible costs per DIN 276, amounts net (excluding VAT).
From the fee to the invoice, in one project context.
Structify bills HOAI fees per project, linked to tendering, cost control and site documentation. In a short demo we'll work through a fee from your own project.