Question juridique clé
Whether the public-law appeal against the cantonal administrative judgment was admissible, and the subsidiary constitutional appeal was available.
Solution extraite
The public-law appeal was admissible in principle; the subsidiary constitutional appeal was inadmissible.
Motifs extraits
The case concerned public planning/building law. The appellants had participated below, were directly affected, and had a protected interest. The subsidiary constitutional appeal is excluded where the public-law appeal is available.