A multi-million pound project is underway to make homes across County Durham warmer, greener and cheaper to run.
believe housing is upgrading more than 1,000 properties with a series of measures to make them more energy efficient.
Contractor RE:GEN Group will carry out work such as loft, cavity wall and underfloor insulation along with ventilation, on homes which will benefit most from the measures. Energy efficient lighting and new heating controls could also be installed.
