To provide a small scale bungalow capable of being constructed at a low cost and being used in both summer time and wintertime.

A built-up small scale bungalow is constituted of two FRP roof members 1a and 1b as a semi-spherical roof combined with two quarter spherical shells, two FRP wall members 2a and 2b having the shape dividing a cylindrical body corresponding to a diameter of an opening into two vertical sections in the case the roof members 1a and 1b are combined in the shape of a semi-sphere and providing a proper opening and closing door member 28, a ventilating fan and a power supply section and a snow adhesive member 3 consisting of a plurality of different circular bodies capable of being fitted and mounted to the roof members 1a and 1b combined in the shape of a semi- sphere and a net body 32 covering the whole in the case the roof members 1a and 1b and wall members 2a and 2b are built up.