Point thermal bridges, which occur for instance in wall ties or where three planes meet, are still generally ignored as the heat loss associated is still considered small but the complexity of ...

While understanding wall and roof insulation is relatively straightforward, insulation under the ground floor can be a bit of a mystery by comparison. Not only is it buried in the ground, but there ...

The Passive House guide to airtightnessOnce poorly understood by the mainstream building industry, airtightness is now increasingly seen as one of the most crucial objectives on any building project.

Click here for project specs and suppliers Building type: Retrofit and extension to 188 m2 bungalow Method: Bone-deep retrofit - floors dug out, chimney removed, roof replaced. Warm roof, external ...

Heat recovery ventilation is an invaluable way to maintain indoor air quality in low energy buildings and minimise the loss of precious heat, but there are several issues to address to ensure optimal ...

Embodied carbon Murray aimed to reduce the upfront carbon as much as practicable, considering climate, materials durability and longevity of performance. Only products with Environmental Product ...

Additional words by Jeff Colley Timber frame construction has traditionally proven a popular choice for people interested in sustainable building for a variety of reasons, not least because of its ...

As John Proctor of power generation firm Intergen, the original funder of the work, explained: “My understanding is the EWI system led to dampness coming into the houses. There was nothing wrong with ...

Passive House Plus is part of the Smarter Finance for EU group, who are aiming to unlock €100 billion worth of verified green homes across Europe. We'd love your opinion on how the green home message ...

The Passive House Institute’s announcement of new classes of passive house certification – including renewable energy generation – at this year’s International Passive House Conference caused ...

Embodied carbon An analysis of the building’s whole life carbon score was conducted by John Butler Sustainable Building Consultancy, using PHribbon. Based on a cradle-to-grave analysis, the building ...

Building physics take no prisoners. Anyone designing, constructing or upgrading the thermal envelope of a building to modern energy performance levels is duty bound to understand and minimise thermal ...