Cluster info · New-build investment

Rental yield on new build: 2026 calculation and benchmarks

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

Rental yield on new builds is never just a gross figure on a brochure: it must be recalculated net of all costs to reflect economic reality.

This article explains the calculation method, the 2026 ranges by region, and the optimisation levers available to you.

1. Understanding what is at stake

Before going into detail, let’s set the general framework. Rental yield on new builds is never just a gross figure on a brochure: it must be recalculated net of all costs to reflect economic reality.

2. Practical 2026 benchmarks

In practice, several benchmarks help frame the subject 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

Some pitfalls regularly recur: incomplete quotes, poorly checked conditions, lack of professional support. A prior audit spares you most disappointments.

Would you like to secure your project? Request a free quote from our team of experts. We support you in checking your file and resolving sensitive points.

Common questions

What are the main 2026 benchmarks for rental yield new build in Belgium?

Ranges and conditions vary depending on region, standing and the exact nature of the project. The orders of magnitude given in this guide are a compass, but do not replace personalised analysis.

Should I call on an expert to validate my file?

For structuring projects, an external view is often profitable: it avoids contractual and technical blind spots. Our construction audit can intervene before signing.