Passivhaus Retrofit Masterclass 2026
| Date: 21 Jan - 17 Jun 2026 | Time: 13:00 - 14:30 |
| Location: Online | Cost: PHT member: FREE - £152+VAT, Non-member: £25 - £240+VAT |
Full series summary | Next in the series | Booking
Join us in 2026 for our NEW Passivhaus Retrofit Masterclass series. Across six focused, expert-led sessions, you’ll gain the practical insights and technical know-how you need to drive ambitious Passivhaus retrofit projects forward.
Existing buildings have huge potential for energy reduction when upgraded using the Passivhaus approach. The results? Major carbon cuts and long-term financial savings for building owners and operators.
This must-attend series is for anyone involved or interested in Passivhaus retrofit design and delivery. Following on from the introductory level first session, the rest of the advanced masterclass level series zeroes in on detailed case study exploration from small scale residential to large-scale complex design. Book the full series to enjoy a 20% discount and earn valuable PHI credit points.
Full series summary
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21st January | Scaling up Passivhaus retrofit
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18th February | Component method for residential Passivhaus retrofit
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18th March | Cost, payback & innovative funding methods
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15th April | Estate wide Passivhaus retrofit tools in use
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20th May | Passivhaus retrofit schools insights: Clients, carbon and collaboration
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17th June | King's College London: Component method for complex retrofit
NB – programme TBC, dates are provisional & subject to changes.
Where possible, all images used in PHT masterclass marketing are of certified Passivhaus projects, or those aiming for certification. Projects featured in the marketing materials may not be discussed specifically at the event.
Who should attend?
These advanced level masterclasses are for anyone involved in delivering deep retrofit, including Passivhaus Designers / Consultants, architects, contractors and services engineers, as well as informed clients and decision-makers. It covers advanced topics such as alternative approaches to certification, estate-wide retrofit strategy and innovative funding models.
Format
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An advanced series of six live online sessions, run one masterclass lecture per month. Starting from January 2026, and ending in June 2026.
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Session one is an introductory level session and FREE to PHT members.
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The five remaining sessions are advanced level.
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Masterclass lectures will be held monthly and delivered at 1pm on Wednesday afternoons.
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The duration of each Masterclass lecture is approximately 1hour 30 minutes.

Cost
|
|
Session one |
Individual session (Sessions 2-5) |
Full series discount |
|
PHT member |
FREE |
£38+VAT |
£152+VAT |
|
Non-member |
£25+VAT |
£55+VAT |
£240+VAT |
Book the full Passivhaus Retrofit Masterclass 2026 series and recieve a 20% discount! Delegates booking the full series will receive access to recordings of all previous sessions and associated presentation material.
First in the series
Join us for the introductory session of the Passivhaus Retrofit Masterclass as we hear from our experts what it means to retrofit to Passivhaus standards. We'll explore the costs of retrofit, the component approach and dive into high performing case studies. Learn about the challenges and strategies involved in achieving Passivhaus retrofit in large and complex buildings and gain valuable insights into high-performance retrofit design.
This introductory level first session is FREE for PHT members and discounted for non members. Sign up here to become a PHT member for further event discounts throughout the year.
Programme
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13:00 - 13:05 |
Welcome & Introduction Sarah Lewis, Passivhaus Trust |
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13:05 - 13:30 |
Passivhaus retrofit standards Sarah Lewis, Passivhaus Trust |
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13:30 - 13:55 |
Retrofit component approach Dr Sarah Price, Spruce Retrofit Consulting Ltd |
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13:55 – 14:20 |
Step by step Passivhaus retrofit and the ERP |
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14.20 – 14.40 |
Q&A |
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14:40 - 14:45 |
Closing comments Sarah Lewis, Passivhaus Trust |
NB: Programme subject to change
Speakers
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Sarah Lewis |
Dr Sarah PriceSpruce Retrofit Consulting Ltd |
TBC |
Booking
Book now via the event page.
Sign up here to become a PHT member for event discounts throughout the year
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Further information
Passivhaus Retrofit Masterclass 2026
Passivhaus Retrofit Masterclass - Media Pack
Large & Complex Passivhaus Masterclass Series 2025
Passivhaus Retrofit Lecture Series 2022
On-demand training: Large and Complex Masterclass Series 2024
On-demand training: Large and Complex Masterclass Series 2022
Get involved with the UK Passivhaus community









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