Make bedrooms tall, add stairs up for desk or maybe an upper story closet instead of adding a second floor, don't like rooms with short ceilings anyway. Could add balcony around rooms instead of just one wall with bonus windows.
Amazing Italian Space Saving Furniture, that allows you to place full size furniture like sofas, beds, tables and chairs even in a small apartment or living area.
This Tiny Shed Has Been Turned Into A Full-Functioning Home http://www.wimp.com/tiny-shed-full-functioning-home/
room to relax
Source: Svensk Fastighetsförmedling
Le rose adoucit le gris
Only Deco Love: Beautiful Small Scandinavian Student Apartment
Light studio apartment
STUDIO & LOFT APARTMENT - BLOG