The administrative building in the Panenská Street 21 has the usable area of 1 767 square meters, the area of the built-up land and the adjacent plot is in total 915 square meters.
The building has been erected at the end of the 17th century, the dominant architectural style is the late baroque.
The building is filed under registration numbers 176/1 and 176/2 as intangible cultural moment in the Register of intangible national cultural moments of the Central List of the Monuments Fund of the Slovak Republic (commemorative house and commemorative plaque) – the usual name of the intangible cultural moment is the Commemorative House of Ľudovít Štúr.