tún is an award winning architectural practice based in Dublin. It was founded in 2010 by Paul Fox, Rose Bonner Alexander and David Jameson out of a close working relationship and shared approach to design.  The practice adopts a client focused approach incorporating sustainable principals, sensitivity to context and unique creative design responses. tún has RIAI Conservation and Health and Safety Accreditation.

The office's name comes from an Old Norse word meaning to enclose, finish or come full circle. 2026 - European Union Prize for Contemporary Architecture - Mies van der Rohe Award, Nominee. Harcourt Terrace Educate Together National School.

2025 - RIAI Awards, Winner Public Building Category, Harcourt Terrace Educate Together National School 2025- AAI Award, Harcourt Terrace Educate Together National School. 2015 - 1st Place, RIAI and DoES Competition for an Urban Primary School 2015 - Arthur Gibney Award, 175th RHA Annual Exhibition 2014 - 2nd Place, 1916 Centenary Chapel, Glasnevin, Dublin.

2014 - Shortlist, Rank's Silo in the 21st Century, DoCoMoMo Ideas Competition 2012 - Shortlist, International Urban Competition, Klaksvík, Faroe Islands. 2008 - Joint 2nd place, Vatnsmyri, International Urban Competition, Reykjavík, Iceland. 2005 - 3rd place, Akureyri i Ondvegi, International Urban Ideas Competition, Iceland.