Based on your figures above, and presuming you sell your property for €500,000 in February 2007 you CGT computation will look somewhat like this. Adjust as necessary.
Sales Proceeds..............................................................................500,000
Less Cost of Sale (eg legal fees, auctioneers' fees, advertising, etc.)............-....
..................................................................................................500,000
Cost of Purchase:
(Include legal fees, valuer fees etc.)
100,000 indexed at 1.212 .............................................................(121,200)
Stamp Duty.......................................................................................-....
Total Gain....................................................................................378,800
Portion of Gain not Exempt:
378,800 *47 (Months of Absence) = 169,558
.............105 (Months of Ownership)
Therefore Portion of Gain Exempt
378,800 - 169,558 = ...................................................................(209,242)
Enhancement Expenditure (index as necessary) .......................................-....
Chargeable Gain............................................................................169,558
Less Annual Exemption ...................................................................(1,270)
................................................................................................168,288
CGT Payable @ 20%......................................................................33,658