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Kolezija swimming pool renovation

Kolezija is the oldest swimming pool in Ljubljana, dating back to the year 1879 when the original pool was made of wood. It used to be primarily a place of social gatherings and began to be used for recreational swimming between the two world wars. After World War II a 50-metre pool was built. The complex was later abandoned and finally bought by the municipality of Ljubljana which issued a tender to renovate it. The new entrance building forms a square together with the adjacent Institute of Chemistry. The modern architectural style resembles some elements of the former swimming pool, with a horizontal plate over a well-lit ground floor which features vertical slats, also used in the fencing around the complex.

Project information

Year of completion:
4663 m2
Accesible for people with mobility impairments.


Main architect / Office:
Ravnikar Potokar arhitekturni biro
Robert Potokar, Tanja Košuta, Mateja Šetina, Andrej Strehovec
Virginia Vrecl
Main contractor:
GP Krk d.d., CBE inženiring d.o.o.
Other contractors and suppliers:

Kolpa d.d. (Facades and insulation)

Hvac projekt d.o.o. (Mechanical installations)

TE-biro d.o.o. (Electrical installations)

Projekt d.d. (Construction engineering)

IMP d.d. (Installation contractor)

Alkam d.o.o. (Windows, doors)

Zumtobel d.o.o. (Lighting)

Salonit Anhovo Factory, Murexin d.o.o. (Building materials)

Ravnikar Potokar arhitekturni biro – references

Educational and recreational facilities

Educational and recreational facilities