The London Mayor has built a two-bedroom house in Trafalgar Square to showcase energy saving devices

The latest initiative from the Mayor's Climate Change Action Plan is nearing completion in Trafalgar Square, in the shape of a quaint two storey house which has been erected right next to Nelson's Column.

The building houses an exhibition on the many ways people can save energy in their home, either by device or common sense, and will open to the public on Tuesday December 4.