A new passive house in Manchester, built by Passive Building Structures, has achieved an airtightness test result of 0.31 air changes per hour at 50 Pascals on its final blower door test, easily beating the passive house airtightness standard of 0.6.

Liquid airtight membranes are revolutionising airtightness works in public and commercial buildings, according to leading supplier Blowerproof UK, because of their ease and speed of application especially direct to block, brick and concrete, and inherent ability to deliver airtightness around difficult junctions.

Denmark is set to introduce embodied carbon targets into the country’s building regulations, a policy which has been backed with cross-parliamentary support.

Residential retrofits must ensure ventilation is carefully considered in order to avoid an increase in radon gas levels, researchers at NUI Galway in Ireland have found.

Plans for over 33,000 net zero carbon new homes are underway across the UK, Passive House Plus can reveal.

Heat pumps rise, PV falls and fabric stands still.