Twinskins Over 6m Wide
These buildings can be used as annexes, games rooms or even commercial uses such as childrens nurseries or offices. There are options to upgrade even further to the same insulation values as a modern house, which may be required if you intend to heat the building, and is greater than 30 square metres internally, in order to comply with building regs.
For more options of over 6m wide Twinskins, click here to view more (all Hortons cabins can be "Twin-skinned")