A modern semi-detached house in East Finchley which had been through a refurbishment in 2012. In the first phase of this home renovation the couple decided on opening up the ground floor, creating an airy open plan - Ideal for raising children. With phase one going so well the couple couldn't wait to get the ball rolling on phase two - a first floor extension above the existing extension with a dramatic window box feature, pouring light into the master bedroom. To bring natural light and ventilation to this shower room, we design a mirror tunnel, which goes from the 1st floor through the loft to a velux window on the roof.