Judicial Insight

Money & Corp · Conseil d'État

Oct 1, 2026 · 503183

A builder and a town official at a construction site, discussing a building permit.AI illustration

Can a builder ignore new social housing rules?

Can a builder ignore new social housing rules added after their permit?

TL;DR

  1. 1A builder wants to construct 82 homes but faces a permit refusal.
  2. 2The town says the builder didn't meet social housing requirements added after approval.
  3. 3The builder argues their permit is valid based on older rules.

Can the builder use old rules, or do new social housing rules apply?

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