Gut Petersdorf, Lensahn, Estate in Lensahn, Schleswig-Holstein, Germany

Gut Petersdorf is a one-and-a-half-storey manor house under a hipped roof, built in a plain light render with corner rustication and a sandstone portal flanked by Ionic columns on the entrance side. The architect was Joseph Christian Lillie of Lübeck, who remodelled a 17th-century double house for Freiherr Hans Detlef von Hammerstein. The old courtyard is ringed by water ditches enlarged into ponds, and a brick gatehouse of 1867 in Neo-Gothic style stands beside a timber-framed wagon shed.

Petersdorf emerged in the first half of the 16th century from a division of the estate of Gneningen, which no longer exists. From 1459 to 1642 it belonged to the von Pogwisch family, then to the von Buchwaldt until 1671 and the von Ahlefeld until 1709; the von Levetzow held it from 1709 to 1763. Around 1806 Baron Hans Detlef von Hammerstein had a 17th-century double house rebuilt as the present manor by Lübeck architect Joseph Christian Lillie, but went bankrupt in the process. The von Ludowig family has owned the estate since 1908.

The estate has been run by the von Ludowig family since 1908 and is now in its fourth generation. Cattle breeding ended in the late 1960s; today the farm grows rapeseed, wheat, winter barley, biogas beet and maize on about 400 hectares, with roughly 460 hectares including woodland. The gatehouse of 1867, a brick building in Neo-Gothic style, stands next to a timber-framed wagon shed.

The estate sits in open countryside and is best reached by personal transport, as public connections are limited in this rural area. Visitors should know this is an active working farm rather than an open-access heritage site.

The estate's economic yard was relocated under Hans Detlef von Hammerstein and reached by two stone arch bridges, both still standing. The gatehouse dates from 1867, a brick building in Neo-Gothic style, with a timber-framed wagon shed directly beside it. The old courtyard is ringed by water ditches enlarged into ponds.