Cluster info · Buy new-build

New-build house to build in Belgium: steps and costs

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By Edouard Hennin, Provisional reception expert
Published on 27 May 2026 Updated on 27 May 2026 7 min read

Building in Belgium means combining land, architect, contractor, permit, financing. Each step has pitfalls.

1. The land

Criteria: planning, servicing, soil, orientation. See buying a new-build house.

2. Architect and contractor

Architect mandatory. Company choice critical. See turnkey house.

3. Local market

See new-build house Namur.

Questions on new construction

Architect mandatory?
Yes in Belgium for new constructions, except small annexes. Their intervention is framed by the law of 20 February 1939.
How much does a building permit cost?
The permit itself costs €30-200 depending on the municipality. Architect fees for the file represent 1-3% of construction cost.

Starting a build?

Our expert checks plans, quotes and reception to secure the site.