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Membership of the Passivhaus Trust is open to anyone and does not necessarily imply achievement of the Passivhaus standard for buildings or components, or attainment of Passivhaus-related qualifications. Members of the Passivhaus Trust listed include architects, consultants, contractors, manufacturers and other industry professionals, as well as individuals, who support the work of the Trust in promoting the Standard in the UK.

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QODA Consulting


We are an energetic design engineering consultancy led by highly experienced and talented engineers, working across mechanical, electrical, and sustainable areas of building design. The team at QODA have considerable experience in sustainable building engineering. We work closely with our clients, leading architects, and designers to achieve the best creative and sustainable solutions tailored to individual project needs. We offer services to cover all stages of a project’s life cycle and work with our clients to tailor these services to best meet our client’s needs and interests. We have a reputation for imaginative and innovative solutions utilising the most up to date technology and techniques to deliver robust, cost-effective, and appropriate solutions. QODA’s team includes 11 Certified European Passivhaus Consultants and Designers and two Retrofit Coordinators. We offer building physics services associated with low carbon buildings and a fabric first approach including IES dynamic thermal modelling, PHPP, SAP and SBEM energy modelling, thermal bridge, overheating, daylighting, and hygrothermal modelling. We also offer advice on specialist building fabric design including airtightness.


QS Construct Ltd