Eco designed three bed bungalow 220sqM. Externally insulated and triple glazed holding a temperature difference of 20degC across the window, heat exchange ventilation, air to water heat exchange with underfloor heating which in practice is rarely needed, 10,000L rainwater collection serving toilets and washing machines, Water saving shower heads. External draft, double sided fire for social events, 4Kw, 16 panel PV system with excess generation being sold to the Grid. Some display woodwork derived from the ash tree which needed to be felled. Insulation designed to be radio transparent allowing mobile phone and wifi throughout house. Kitchen, sitting room and hall double width doors to create large reception are when needed