2026 Passivhaus Retrofit Masterclass

A six-part, expert-led online masterclass covering Passivhaus retrofit at scale, from residential component methods to complex estate-wide projects. Sessions address cost, payback and innovative funding, retrofit tools in use, and real-world insights from schools and major institutions including King’s College London, with advanced case studies across multiple building types.

Advanced level

PHI credit points

Hours long

Paid course

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Overview
Learning outcomes
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Speakers

Watch a shortened version of the introductory session for free above. Members can watch the full intro for free below. You must register or log in to access these.

Course Content

FREE FOR MEMBERS. Explore how to Scale up Passivhaus Retrofit short course and the new PHT publications. Learn how an EnerPHit-informed retrofit plan (EIPR) can maximise project benefits, prioritise measures, and optimise retrofit sequencing.

First delivered on: 28 January 2026

Speakers

Sarah Lewis
Sarah Price
Laszlo Lepp

Learning outcomes

1. Awareness of the two new PHT publications covering retrofit and how their content can benefit your projects.
2. Identify the ways in which an EnerPHit-informed retrofit plan (EIPR) can benefit every retrofit project.
3. Recognise the importance of the sequencing of retrofit measures and how an EnerPHit-informed retrofit plan (EIPR) can help you prioritise.

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Lesson Content

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Passivhaus Retrofit Standards – Sarah Lewis 30min View Topic Buy to unlock

Retrofit Component Approach – Sarah Price 30min View Topic Buy to unlock

Step by Step Retrofit – Laszlo Lepp 30min View Topic Buy to unlock

Q & A 16min View Topic Buy to unlock

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Learning Outcomes

Scaling up Passivhaus

Awareness of the two new PHT publications covering retrofit and how their content can benefit your projects.

Identify the ways in which an EnerPHit-informed retrofit plan (EIPR) can benefit every retrofit project.

Recognise the importance of the sequencing of retrofit measures and how an EnerPHit-informed retrofit plan (EIPR) can help you prioritise.

Component Method for Residential Passivhaus Retrofit

Awareness of the process and how decisions are made within an EnerPHit informed retrofit.

Identify the certification targets of the component method and how these are applied within an EnerPHit certification.

Recognise possible exemptions that that can apply to EnerPHit certification and when these may be applied.

Cost, payback & innovative funding models

Recognise the benefits of a EnerPHit retrofit of a social housing project case study.

Understand how the choice of retrofit process and/or certification impacts on project cost and performance gap.

Have an awareness of how adding ‘social value’ to your project might support the buisiness case for EnerPHit retrofit.

Scaling Up Passivhaus Retrofit

Component Method for Residential Passivhaus Retrofit

**Paul Smith**
Greengauge Building Energy Consultants

Cost, payback & innovative funding models

Estate wide Passivhaus retrofit tools in use

EnerPHit School Insights

**Barbara Lantschner**
John Gilbert Architects

On-demand Pricing

	Full series recordings *Available after series ends. Pricing may change*	Individual lecture recordings Full intro free for members
Member price	£112+VAT	£28+VAT
Non-member price	£200+VAT	£40+VAT

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What other learners say

Engaging and informative. Retrofit is challenging both technically and in how it’s communicated, and this session covered both aspects.
Gessica Salerno
Marrons
I always leave inspired, refreshed and thinking carefully about how I can bring new knowledge to bear on my current practice.
EnerPHit-informed Retrofit Plan should be used for all retrofit projects.
Carola Drager RIBA

Passivhaus learning hub