Be aware when buying a bargain

Friend of ours bought a Fina for 42,000 € reduced from 49,000 €
The local Council valued it at 49,000 € So they had to pay an
additional TAX of 700 €
http://thespanishbrick.com/2013/legal-advice/avoid-surprises-when-buying-a-bargain-the-trap-of-the-itp-tax/3192