Have you tried @whaat ‘s quantifier pro?
Quantifier Pro - Calculate Area, Volume, Weight and Costs in SketchUp
And what about 5D+ Auto Info, which is free and has great features (I haven’t yet really tried this one fully and if you do, please report)
5D+ Auto Info - New way to extract information from model - Extensions - SketchUp Community
I’m used to Fredo report on areas for my initial architectural programming, as I use a material for each area type, but for urban masterplaning I use Modelur, which is robust enough for the kind of urban reports we need for buildings;