The Golden Lane at the Prague Castle was festively opened after a year-long reconstruction on 1^st June 2011. The main objective of the reconstruction commenced in May 2010 was to repair the obsolete rain water drainage system. The situation was serious as the status of the system was endangering the structural stability of the individual buildings.

During the renovation, a complete reconstruction of all underground services and internal wiring inside the total of 16 period houses was carried out. The whole renovation cost approximately CZK 34 mil, additional CZK 5 mil were invested in restoration works. > > >

In April 2010 the Fenix Group produced a report titled "ECOFILM Ceiling Heating in Low Energy Houses". The purpose of this report was to demonstrate that satisfactory thermal gradient comfort curves can be achieved for large area low power radiant ceiling heating systems installed in low heat loss properties. > > >