The Billy Oh Billy Oh Writers' Cabin Summerhouse is a unique design which gives extra space to relax. The door is located on the 10ft side which allows for easier access to the shed. Roof. The roof on this building has been offset to give a more enhanced working space & extra headroom. This design is unique to the market & offers a complete Cabin Summerhouse. Construction. The walls on the building are made from tongue & groove cladding so that the overall construction of the building blends naturally into your garden environment. Features. This summerhouse comes complete with long opening windows that allow a generous amount of light to enter the building & to aid in the construction of the building. Full fixing kit including felt & instructions are included. Treatment. To help during construction & transport to you the building has been pre-treated with a dipped, base coat, timber preservative treatment. To comply with the warranty & finish the building in style, we