According to the habit of from north to south and from wall to wall, the drawing estimates the indoor construction area, which is slightly larger than the measured area of the completed surface.

North bedroom is 9.6 square meters (excluding bay window), study is 6.72 square meters (excluding bay window), life balcony is 3.9 square meters (excluding equipment installation platform), kitchen is 5.28 square meters, bathroom is 4.2 square meters, south bedroom 12.5 square meters, living room 19.6 square meters (excluding bay window) and dining room is 7.4 square meters.