Studio Et al. is an architectural practice.

Established by Mats Heggernæs and Håkon Vetlesen in 2022 our work embraces all scales, from 
housing and urban plans, to exhibitions and objects.








Contact

post@et-al.no
@studio_et_al


Professor Dahls gate 33A
0353 Oslo
Norway



Team

Mats Einevoll Heggernæs, architect / founder
+47 99 24 28 62
mats@et-al.no

Håkon Carlsen Vetlesen, architect / founder
+47 90 59 30 98
haakon@et-al.no





© Et al. 2025