Neustadtarchitekten stands for building sustainable and ecofriendly - well assessed 
As a well orchestrated team we strive for innovative and economical solutions.
Our architecture is as individual as our clients.
Together we are designing answers for peoples diverse needs in complex urban surroundings.

Blick auf den Durchgang der Klimaschutzsiedlung


• Companies and Firms
• Co Building groups
• Kindergarden 
• Private clients 
• Federal Institutions 
• Project developers
• Social/cultural institutions


• studies and concepts
• architecture in all phases (1-9) 
• BIM planning
• competitions
• energy consulting

Villa Friedrichsberg Detail


• timber and hybrid constructions
• passivhaus
• controlling co-building groups

certification + memberships

• Architektenkammer Hamburg
• Energyexperts DENA / KfW
• Energyconsultants BAFA
• QS-Energy IFB Hamburg
• IG-Passivhaus
• TRIAS-foundation
• network PIA

office history.

• 1999 founding of Neustadtarchitekten as Diesing Bulla GbR by Iris Bulla and Petra Diesing

• first office spaces were located in Hamburgs district Neustadt - lending the practice its name

• 2000 relocating to its current spot in Hamburg Ottensen

• 2005 2. prize competition Klimaschutzsiedlung

• 2005 1. prize competition Haus am Ring, Köln

• 2008 1. prize competition co-building Sophienallee

• 2011 1. prize competition Kindergarten Bachstraße

• 2013 1. prize competition residential project Nachbarschaft+, Stade

• 2014 the end of Diesing Bulla GbR

• 2015 seit Jahresbeginn wird Neustadtarchitekten von Petra Diesing geführt. Das Profil wird geschärft, die Kompetenzen sowie das Leistungsspektrum erweitert und zudem das Logo und die Webseite neu designt. Das gut eingespielte Team mit seiner fachlichen Vernetzung bildet weiterhin die solide Basis und Kontinuität des Architekturbüros

• 2018 2nd round competition firestation Brunsbüttel-Süd

• 2018 honorable mention mixed-use quarter Münchberg

• 2019 4th prize competition Dietrich Bonhoeffer high-school Wiehl