Facts

Parcel No. 2536J in Rapperswil-Jona belongs to the estate community [H.] and is partially located in the residential zone W3 and partially in the residential zone W2c, as well as in the recreation green zone. To the northeast and east, the property borders the Meienberg conservation area. On March 1, 2018, G. AG submitted an application for the construction of two multi-family houses on Parcel No. 2536J. The Building and Environment Commission of Rapperswil-Jona approved the construction project on April 23, 2018. Various residents filed a complaint against this decision.

The Administrative Court of the Canton of St. Gallen partially upheld the complaint, insofar as the Department had not entered into the appeal of three appellants. In all other respects, it dismissed the complaint.

[A.], [B.], [C.], [D.], [E.], and [F.] filed an appeal in public law matters with the Federal Supreme Court against the decision of the Administrative Court.

Considerations

The Federal Supreme Court examined whether the building permit granted violates the federal legal requirements for the protection of the townscape and whether the Administrative Court has applied the cantonal regulations for the protection of the townscape and landscape in an arbitrary manner.

The Federal Supreme Court concluded that there have been no sufficient subsequent developments for a preliminary review of the land use…