Cluster info · Breyne Law

Breyne Law summary: all to know in 2 minutes flat

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By Edouard Hennin, Provisional reception expert
Published on 27 May 2026 Updated on 27 May 2026 4 min read

For those who do not have 30 minutes — the Breyne Law summary in 4 paragraphs.

1. What it is for

Protect the buyer of a new home to be built or under construction in Belgium. Adopted on 9 July 1971 after the scandals of bankrupt developers. Of public order: no clause can derogate from it.

2. The 3 key protections

  • 5% security deposit (detailed cluster) — blocked at the notary to lift post-reception reservations.
  • Completion guarantee (Article 12) — bank or insurer finishes the site in case of bankruptcy.
  • Two-step reception (Article 9) — provisional then final one year later.

3. Developer obligations

  • Mandatory clauses (Article 7).
  • Down payments limited to progress.
  • Costed deadlines and penalties.
  • Annexed plans and specifications.

4. The sanction

Omission of a mandatory clause or certificate = contract nullity, invocable by the buyer without time limit. See sanctions and case law.

Our Breyne Law advisory covers the whole chain — from compromise to final reception.

Essentials in questions

What documents to demand before signing?
Security deposit certificate, completion guarantee, signed plans and specifications, contract with the 12 Article 7 clauses.
How long to invoke nullity?
Without time limit as long as final reception is not pronounced (Cass. 22 March 2019).

Secure everything before signing

Complete Breyne Law audit, clear recommendations, within 5 days.