Project: House Kollstrøm/Østberg, architect: Knut Hjeltnes AS sivilarkitekter Skodvin, Børre Heftet / 2010 / Engelsk
Project: Asker mortuary and crematorium, architect: Carl-Viggo Hølmebakk Braathen, Martin Heftet / 2012 / Engelsk
Project: A protective roof over a spring water source in Jilin province, China architect Jensen & Skodvin architects Ellefsen, Karl Otto Heftet / 2018 / Engelsk
Project: Moholt student village, architect: MDH arkitekter Groba, Ute Christina Heftet / 2023 / Engelsk
Project: Østfold University College, architect: Reiulf Ramstad arkitekter Ellefsen, Karl Otto Heftet / 2010 / Engelsk
Project: Military training facility, architect: Longva arkitekter Ellefsen, Karl Otto Heftet / 2017 / Engelsk
Project: the teachers' union conference center, architect: Element arkitekter as Skodvin, Børre Heftet / 2016 / Engelsk
Project: Wesselkvartalet, architect: Vigsnæs+Kosberg++Arkitekter Skodvin, Børre Heftet / 2023 / Engelsk
Project: Two summer houses, architect: Arne Henriksen arkitekter Ellefsen, Karl Otto Heftet / 2011 / Engelsk
Project: summer house Storfjord, architect: Jensen & Skodvin Thorkildsen, Åsmund Heftet / 2014 / Engelsk
Project: The Oslo School of Architecture and Design (AHO) architect: Jarmund / Vigsnæs Architects Ellefsen, Karl Otto Heftet / 2018 / Bokmål
Project: House Bøe Møller/Weekend house Straume, architect: Knut Hjeltnes sivilarkitekter MNAL AS Flora, Nikola Heftet / 2017 / Engelsk
Project: The Statoil reception centre, architect: Haga & Grov AS Vedelden, Ottar Heftet / 2012 / Engelsk
