Cluster info · Pricing & tax

Architect fee for a new build in Belgium

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By Edouard Hennin, Provisional reception expert Published on 27 May 2026 Updated on 27 May 2026 6 min read

In Belgium, calling on an architect remains compulsory for any new build. Their intervention typically represents between 6 and 12 % of the cost of the works.

Below are the 2026 ranges, what justifies the gaps, and the levers to frame your architect’s fees from the outset.

1. Understanding the stakes

Before diving into the detail, let us set the general framework. In Belgium, calling on an architect remains compulsory for any new build. Their intervention typically represents between 6 and 12 % of the cost of the works.

2. Practical 2026 benchmarks

In practice, several benchmarks help frame the topic in 2026. Ranges and conditions evolve regularly, and it is useful to cross-check several reliable sources before making a structuring decision.

3. Avoiding common pitfalls

A few pitfalls keep coming back: incomplete quotes, poorly verified conditions, lack of professional support. A preliminary audit avoids most of the disappointments.

Want to secure your project? Request a free quote from our expert team. We support you in verifying your file and lifting sensitive points.

Frequently asked questions

What are the main 2026 benchmarks for architect fees on a new build in Belgium?

Ranges and conditions vary depending on the region, standing level and exact nature of the project. The orders of magnitude provided in this guide are a compass, not a substitute for tailored analysis.

Should I call on an expert to validate my file?

For structuring projects, an outside opinion is often worthwhile: it prevents contractual and technical blind spots. Our construction audit can take place before signing.