This link has all the available data on the Repsol Tower:
http://urbanity.blogsome.com/2005/10...-info-oficial/
Sumarizing its key figures:
Total height: 250m
Total surface of tower above ground: 71.647,10 m2
Total surface of tower including underground parking: 107.966,10 m2
49 floors above ground level of which 34 are for office use (3 blocks of 11,12,11 floors)
19 elevators (some of which are on the outside of the tower, giving a heck of a view)
The repsol tower cost 300M Euro, the cheapest of them all
(The most expensive is the espacio tower at 390ME (500M$))