Retrofit EWI for Wilmott Dixon is spot on for Green Deal carbon reduction target

AFFORDABLE HOUSING

Innovative carbon reduction retrofit project for main contractor Willmott Dixon at South Cambridgeshire Council's Rampton Drift properties in Longstanton.

[WATCH THE TV INTERVIEW]

Homes built in the 1950s and 70s were retrofitted with Dynamic External Wall Insulation (EWI) to improve energy efficiency and reduce carbon emissions.

Alan Cochrane, Principal Consultant (Energy Services) for Willmott Dixon, explains why Dynamic EWI was selected:  “Dynamic Insulation was selected because it is one simple solution that easily integrates the insulation and ventilation system to improve energy efficiency and indoor air quality.”

PRP Architects led the design consultation process and specified Dynamic External Wall (JDE), manufactured by Jablite, to be retrofitted to the properties’ external walls to meet the carbon reduction objectives of the project. Nuaire was appointed to provide the ventilation solution.

Andrew Peacock, Energyflo's technical director said:

“One of the key aspects of our unique technology is that we can deliver the solid wall U-values in hard to treat buildings well beyond any other external wall insulation from a thinner and less intrusive build footprint. We chose to work with Nuaire because they are leaders in ventilation technology and could provide the technical support needed. Nuaire’s Positive Input Ventilation (PIV) technology integrates easily with dynamic insulation to provide one simple solution, which is highly effective yet hidden in the home, reducing household bills for occupants."

On October 31 2011 the homes were visited by the Government's Climate Change Minister. Greg Barker's fact-finding mission came just days after The Energy Act became law setting out the legal framework for the new Green Deal - a Government initiative to revolutionise the energy efficiency of the nation's homes and businesses.

The Green Deal will be launched in autumn next year. Currently around half of homes in Great Britain do not have sufficient insulation and around 50% more energy is used to heat and power homes than is used to power UK industry.

Gallery