Maler / snekker / elektriker jobb on vinterhage

I have an unfinish vinterhage about 15 m2 that needs a finishing. Things to be done: Sparkling walls into smooth surface, Painting walls and ceiling. Build a wall with door to make an office room Heating cables on the floor with 2 separate termostat for each rooms. Fix sockets and switches. Lights and the ceiling. Pls come to befaring for any further details.