Foundation, damp proof layer and rigid insulated base frame fully insulated walls using rigid insulation and vapour protection internally lined with plasterboard, taped and painted larch cladding externally choice of doors and windows single ply roof with rainwater gutter and down pipe choice of flooring, laminate or vinyl light point, switch and 4 double sockets consumer unit.
Yes, if you will be intending on using it as a habitable area and will be connecting to the mains, water and drainage. In Scotland you need planning under the following circumstances. The structure is over 30m2 or takes up more than 50% of your garden its erected within a conservation area or next to a listed building it requires water/drainage for a kitchen or bathroom you are using it to live in any part of the building that is a meter or less from the boundary and is no higher than 2.5 metres the eaves, the underside of the roof is no higher than 3 metres.
Yes we can refer to the build as an extension, the cost will vary depending on what work is required to connect to your property we can also offer, cut through to your home erection of fire wall brickwork or roughcasting to match your home.