- To begin, draw an outline of the room
- Measure and note the ceiling height and any existing soffits
- Measure and note all wall lengths
- Measure and note the location of obstacles along each wall, recording their height, width and depth from outside edge to outside edge (include doors, windows and pipe chases)
- Identify and note existing plumbing, electrical and lighting center lines on all walls including:
- Door Frames
- Range Hook-up
- Light Switches
- Electrical outlets
- Lighting fixtures
- Phone jacks
- Heating/air vents (including locations in the floor)
- Record the height from finished floor for items like windows, outlets, and vents
- Record measurements of any freestanding furniture pieces or appliances that may stand in the room
- Have an electrician check the electrical service panel conditions to ensure it can handle any change of appliances you may be making in places
- If attic or basement walls will be affected by the renovation, make sure any plumbing or venting changes are verified by a professional
- Note window size and placement, along with trim and sill dimensions
- Note the location of ventilation and duct-work on your drawing
- Measure any items that will stay in the room and relate to your floor plan
- Make note of any electrical details, such as light switches and outlets that need to stay, or could possibly be moved