Property Owner's Late Challenge to Building Permit Denied

A property owner appealed a lower court decision that upheld a building permit granted to a neighbor, arguing the permit violated the relevant planning regulations concerning building height and projections, despite the owner's initial failure to appeal the administrative decision within the statutory time limit. The court rejected the appeal, reasoning that while administrative decisions can be subject to judicial review, the right to seek annulment of an administrative act is subject to strict time limits, and since the building permit had become definitively administrative due to the expiration of the statutory appeal period, the property owner could no longer invoke its illegality as a defense against the neighbor's use of that permit.