Darlington Borough Council A small scheme for Darlington Borough Council, which utilised ECO funding to insulate 41 concrete system built properties. Client Darlington Borough Council & British Gas Location Lascelles, Darlington Start Date January 2015 Value £198,000 Length 10 Weeks Work Type External Wall Insulation Number of Properties 41 Type of Properties Concrete System Built Insulation Type 90mm EPS Lambdatherm U Value Finish Applied Acrylic Render