Eco renovation on a budget

When renovating an existing building, the right choice of building principles and materials can make a big difference in making the building more sustainable. In this case study video, we talk to a family who have renovated and extended their Welsh stone cottage in a way that's both environmentally friendly and affordable. Using passive solar design principles, triple glazed windows, timber and sheep's wool, the family in this video show that eco renovation can be done on a budget.