Passivhaus Affiliate

'How to build a Passivhaus' is online

The Passivhaus Trust's new knowledge base is now live and features the latest guidance and rules of thumb from industry experts with knowledge of UK based projects.

The initial content of the knowledge base been sourced from our latest publication - 'How to build a Passivhaus - Rule of Thumb'. We hope to expand and compliment this collection of information through continuing input from industry experts and user-submitted guidance from PHT members, highlighting key lessons learnt during the design and build of their Passivhaus projects.





Get involved - Submit content and give your views

Members of the Passivhaus Trust can register to submit comments and contribute content to the knowledge base. 
If you are already a member of the Trust you can register for an account today. Click here to register.


Peer-reviewed guidance for planning through to operation

The knowledge base has been split across four sections to include the planning, design, construction and operation stages.

The topics that are currently covered in the knowledge base include:

  • Fabric - Airtightness, Junctions and thermal bridges, Whole building systems, Walls, Roofs and Floors, Windows and doors

  • Process - Construction and quality assurance, Design approach and system choices, PHPP, Certification and quality assurance, Handover, maintenance and comfort, Shading and avoiding overheating

  • Services - MVHR, Heating and hot water, Solar thermal and PV, Building services


Levels of detail to suit your project needs

Detailed guidance notes

The peer-reviewed guidance notes will provide more in-depth guidance and have been written by Passivhaus practitioners who are experts in their field.


Rules of thumb - Dos and dont's

The rules of thumb have been developed to act as short, sharp pointers to reference when designing and building your Passivhaus project. 


Case studies, publications, design details and further reading

This is where you will find case studies of Passivhaus projects, design details that have been used in certified buildings and links to further publications, guidance, research, books and websites that may help to inform your decisions when building a Passivhaus.

We hope this section will allow for significant user input, so please sign up start submitting your design details, case studies and publications.


Support the development of the knowledge base

There are sponsorship opportunities available for the knowledge base. If you are interested in sponsoring a particular section, click here to see which are available and for further information. 

If you are not a member but would like to get involved and contribute to the knowledge base, find out about the many further benefits of becoming a member of the Trust, such as discounted training courses and event tickets, free iPHA membership and promotion of your company and Passivhaus projects on our website, click here.


The UK Passivhaus knowledge base is sponsored by:

26th January 2016

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