Frederick R. Ruffell
Senior Member
- Joined
- Jan 21, 2002
- Professional Status
- Certified General Appraiser
- State
- California
Debra,
Does this area have a full 8 feet of head room, can it be accessed directly from the main living space, is it heated from the main heating system, is the construction of like kind and quality as the main living area, was it built with permits, are the stairs built to code?????. Answer these questions and you will soon convince your self that it probably should NOT be included in your GLA calculation. This is not to say that it does not have value. Indeed you can give it some lesser value, per square foot, and may need to ding it for functional obsolesence (attributable to the lack of head room and/or access difficulty) in the cost approach. In the sales approach you should adjust according to what the market values this amenity. It may be an over-improvement (superadequacy) and worth nothing to the market. It may be illegal and, if the municipality enforces tear out or bringing it up to code, represent a major cost to the market. So you need to answer some questions first and then make a determination on how to handle it.
Does this area have a full 8 feet of head room, can it be accessed directly from the main living space, is it heated from the main heating system, is the construction of like kind and quality as the main living area, was it built with permits, are the stairs built to code?????. Answer these questions and you will soon convince your self that it probably should NOT be included in your GLA calculation. This is not to say that it does not have value. Indeed you can give it some lesser value, per square foot, and may need to ding it for functional obsolesence (attributable to the lack of head room and/or access difficulty) in the cost approach. In the sales approach you should adjust according to what the market values this amenity. It may be an over-improvement (superadequacy) and worth nothing to the market. It may be illegal and, if the municipality enforces tear out or bringing it up to code, represent a major cost to the market. So you need to answer some questions first and then make a determination on how to handle it.