While it may have a measurable impact, the primary determinant of a house's value is location.

I cannot decide if it is wotrh to measure it, could that be a base to bring down the price considerably? 

(Which BTW, those types of measuring sticks may tell you that you won't be getting their attention).

I didn't measure if it was 6 foot. 

If you can measure the size of the house from outside when you can't get inside simply figure the square footage.

@Sam Leon Yep, are you allowed to do any preservation measures to avoid further damage.  

Similarly, the tenant population is, in general, not prepared to pay a premium rent for energy efficiency.This hasn't stopped us from being early adopters of efficiency retrofit practices, but it does require we have a solid business case for most undertakings (we have been known to implement certain measures as experimental for learning purposes when there is no viable payback).

Track which mailer has which scent and measure your responses. 

They will probably be Special Order because they will need measurements.

You might find yourself paying relocation assistance, temporary housing, and god knows what punitive measures.