FIXTURES AND ARCHITECTURAL DETAILS
Note height and width of:
Windows (width, height and height from the floor)
Doors (door width and height)
Outlets and switches
DRAW A ROUGH SKETCH OF YOUR ROOM
This can be very rough and does not need to be a work of art. Use a pencil and make sure your measurements are accurate.
A long tape measure, ~25' is best.
Measure the overall length and width of room from baseboard to baseboard.
Don't forget the ceiling height!