Kernrechtsfrage
Whether the appellant lost standing after selling the adjacent property and whether the buyers could replace him in the proceedings.
Extrahierter Entscheid
The sale did not eliminate the appellant's standing; the proceedings were to continue in his name because a party change required the opponent's consent, which was refused.
Extrahierte Begründung
Under the applicable procedural rules, substitution after transfer of the property was not possible without consent; refusal of consent did not extinguish the seller's legitimate interest for the appeal.