Passivhaus Affiliate

Who is involved?


Delivery Team

Jon Bootland, Chief Executive, Passivhaus Trust Sarah Lewis, Research & Policy Director Yogini Patel, Campaigns & Comms Associate Kirsten Priebe, Membership Associate

Jon Bootland

Chief Executive

Sarah Lewis

Research & Policy Director

 Yogini Patel

Head of Campaigns & Comms

Kirsten Priebe


Laura Soar

Beth Blomfield, Marketing & Events Assistant

Roger Southcott, Finance & Membership Coordinator  

Laura Soar

Comms Coordinator

Beth Blomfield

Marketing & Events Assistant

 Roger Southcott

Finance & Membership Coordinator



The Board of Directors

In memory of Neil May: 1962-2018

In memory of Neil May 1962 - 2018:

Neil May, a founding director of the Passivhaus Trust, passed away in November 2018. In losing Neil, we have lost a mentor, a friend and an inspiring human being. His challenging ideas, profound thinking and huge warmth will be deeply missed.

  • Chair: Chris Herring, Green Building Store

  • Marion Baeli, PDP London

  • Nick Grant, Elemental Solutions

  • Jonathan Hines, Architype

  • Emma Osmundsen, Exeter City Council

  • Lynne Sullivan, LSA Studio

  • Peter Wilkinson, Ecodesign


Passivhaus Trust Ambassadors

Technical Steering Group


PHT Expert Advisors

  • Chair: Nick Grant

  • Alan Clarke

  • Sally Godber

  • Kym Mead

  • Sarah Price
  • Mark Siddall

  • Will South
  • Alan Budden

  • Chris Parsons

  • Harry Paticas

  • Jae Cotterell

  • Kirsty Maguire

  • Kym Mead

Technical Panel and Working Groups

Several experts are invited by the Passivhaus Trust to advise on detailed technical issues pertaining to the application and delivery of Passivhaus in the UK. The Technical Panel & Patrons meet annually to explore & prioritise these issues, which informs various Technical Working Groups. 


The Scotland Committee

The Scotland Committee's primary focus is to represent the UK Passivhaus Trust and to promote the uptake of Passivhaus in Scotland. The Committee is chaired by Jonathan Hines.


The Passivhaus Trust was founded by the AECB in 2010 and is the official UK affiliate of the International Passive House Association (iPHA.) If you join as a member of the Trust - you automatically become a member of  iPHA. AECB members are eligible for discounts on PHT membership.