Passivhaus Affiliate

Last chance to book: Passivhaus Retrofit Masterclass - Solid Wall Construction

Don't miss the first of the Passivhaus Retrofit Masterclass Lecture Series focusing on Solid Wall Construction.

Next in series: Solid Wall Construction retrofit. Image credit: Ecospheric

Passivhaus offers invaluable lessons for radically improving the comfort and energy efficiency of existing buildings. Learn from expert practitioners and enrich your practical and technical knowledge on the challenges, strategies and solutions surrounding the retrofit process with this online Masterclass lecture series.

We commence the first Masterclass next Wednesday 15 December, with a deep dive into solid wall construction retrofit. Topics explored in this 90-minute session include:

  • Fabric/materials

  • Services

  • Airtightness strategy

  • Comfort and overheating strategy

  • Costs and benefits


Book Now


Solid Wall Construction Tutors

Passivhaus Retrofit Masterclass: Sarah Lewis, Passivhaus Trust
Passivhaus Retrofit Masterclass: Bill Butcher, Green Building Store Passivhaus Retrofit Masterclass: Marion Baeli, PDP London

Sarah Lewis

Passivhaus Trust

Bill Butcher

Green Building Store

Marion Baeli

PDP London


Full Series

Recognizing that no project is the same, our Masterclass Series will cover a broad spectrum of topics and construction typologies. Join us for all five afternoon sessions, or dip in and out to suit.

  • Wednesday 29 September 2021: Introduction
  • Wednesday 15 December 2021: Solid wall construction retrofit

  • Thursday 27 January 2022: Cavity construction retrofit

  • Wednesday 23 February 2022: Step-by-step retrofit

  • Wednesday 30 March 2022: Multi-residential retrofit

  • Wednesday 27 April 2022: Non-domestic retrofit





 Full Masterclass lecture series  

Individual Masterclass lecture  

PHT member






Book NOW for a discount booking for all 5 lectures.


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Further information

Passivhaus Retrofit Masterclass Lecture Series: Solid Wall Construction

Passivhaus Retrofit Masterclass Lecture Series

Passivhaus Retrofit Campaign

PHT Guidance: Passivhaus Retrofit in the UK - September 2021

8th December 2021

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