The core of Palác Křižík is a compound of heritage buildings between theRadlická,PlzeňskáandKovákůstreets These buildings underwent comprehensive refurbishment and were retrofitted with seven aboveground floors and four underground floors as part of a later upgrade.. The result is anup-to-date office complexwith290 parking spaces, a covered atrium,3 cateringand restaurantestablishments, retail space and apublic mall.. Each of the two parts of the complex (the earlier and the later) has its own central reception desk with a contemporary design and a24/7service.. The buildings are equipped with a high quality ventilation and air conditioning system, allowing for natural ventilation by opening windows to a certain degree.. The advantage of using several heritage buildings is that the complex can accommodate the various brands of the individual anchor tenants.. The modern annex structure has been certifiedBREEAM Excellent.. The complex is equipped with an electronic fire alarm system, ACS Control, CCTV and an intelligent building management system.