Estimate value of improvements before appraisal

[James McHugh]

I am looking at several houses. One location I asked for a list of improvement they have done to the house and I only got this list: (not very thorough) Repainted exterior. added gutters. rebuilt fence picket by picket. painted interior. new carpet upstairs. laid tile in master and upstairs bathrooms. put in new sliding glass doors. replaced all bathroom fixtures. replaced both shower heads. laid some sod. we also put a few new door stoppers in... To me this doesn't seem like much but I was trying to come up with a general ballpark figure before I pay for an appraiser. Any suggestions how to arrive at this ballpark figure?