Question juridique clé
Whether the appeal against the cantonal final building-permit decision was admissible and whether an on-site inspection was required.
Solution extraite
The appeal was admissible, but no site inspection was necessary because the file evidence was sufficient.
Motifs extraits
The appellant was directly affected as an adjacent landowner; the facts were adequately established from the plans and photo documentation, and the Federal Court is bound by the findings unless manifestly incorrect.