Eco-friendly houses!
It has a green roof which helps in keeping the house cool in summer and hot in winter.
Floors in the green house are made of renewable materials.
Sun light hitting the green house is trapped and is used to heat water for the underfloor system. Hot air in the green house can also be channeled into the house to heat the rooms.
Kitchen accesories are energy effiicient.
Hot water can be obtained by solar heating system.
Food waste and grass clipping should be composted to provide manure.