Retrofit Insulation Methods

Acrylic render, rafter level ventilated, internal wall, suspended timber floor, full fill cavity and rain screen.

We are moving from the era of 'talking about deployment' to the era of 'deployment' - over the next few decades there will be billions spent on energy-efficiency retrofit projects and it is crucial for policies to be underpinned by reliable technical data and strong evidence of the benefits that can be achieved.

Professor Bob Lowe, deputy director of University College London's Energy Institute.