ok, I have finished what I can , heres a pic .

If you canuse it please pm me with an email address I can send the zip.

Y-rotate opens the windows, z-rotate moves the handles, material zones so it can be textured and partially uv mapped.( seat, ceiling, interior wall  and frame are mapped)

there is no floor , you can position your floor to whatever height suits you.  I made the wall a bit large.