Streiff von Kaenel


Dr. iur. Peter Bösch

Peter Bösch has been a consultant with Streiff von Kaenel Ltd. since December 2017. His focus is on construction and planning law and property law, fields in which he has long-term academic and practical expertise. He mainly works as an assessor and project officer and regularly publishes in his areas of expertise. Furthermore, he functions as a mediator in matters concerning construction, real estate, neighborhood and environment.


  • since 2017 Consultant with Streiff von Kaenel Ltd.
  • 1997–2002 Head of expert group “Construction Law” of the Zurich Bar Association
  • 1990–2001 Lecturer for construction law at the Architecture Department of the Swiss University of Applied Sciences Winterthur
  • from 1989 Independent attorney in Zurich (1998-2007 in Zollikon)
  • 1982–1989 Assistant and chief assistant, Building Authority II (now: Structural Engineering Department), City of Zurich, ad interim head of the Building Inspection Office, City of Zurich
  • 1979-1982 Secretary of the Construction Appeals Commission (now: Construction Appeals Court) Canton of Zurich
  • 1976–1979 Attorney in a law firm, Zurich
  • 1974–1975 Legal trainee and law clerk, District Court of Hinwil


  • 2007 Certified Specialist SBA in Construction and Real Estate Law
  • from 1991 Additional training in communication and mediation
  • 1977 Doctorate, University of Zurich
  • 1975 Admission to the Bar of the Canton of Zurich
  • 1973 Master’s Degree, University of Zurich


German, English, French


  • President of the Conrad and Lina von Burg-Bösch Foundation (purpose: support to the retirement homes under the patronage of the civic community of Solothurn)

Areas of expertise

Construction and real estate law, mediation


  • Zurich and Swiss Bar Association
  • Chamber of Certified Specialists SBA in Construction and Real Estate Law
  • Expert group “Construction Law” of the Zurich Bar Association
  • Expert group “Administrative Law” of the Zurich Bar Association
  • Expert group “Mediation” of the Zurich Bar Association
  • Swiss Association for Public Procurement (SVöB)
  • Swiss Lawyers’ Society
  • Zurich Lawyers’ Society
  • Swiss Specialist Conference for Public Works
  • Zurich Research Society for Construction and Transport Matters (ZBV)
  • Swiss Federation of Mediation Associations (SDM)
  • Institute for Mediation (IfM)
  • Swiss Chamber for Corporate Mediation (SKWM)
  • Expert group mediation for construction matters SDM