Deanscroft makes two very valid points, the age of the building and if the water and electrics have been updated and noisy neighbours (and dogs), something very few people seem to enquire about.
My advise would be to find an agent you can trust. There are plenty of them about, preferably an API, as they can advise you probably better than a busy, which all of them seem to be, solicitor.
Whatever happens, the public notary is your friend as he will certify the purchase is totally legal and above board.
Also don't buy a property just because it gets the morning sun. You need to go back and see what it is like in the evening. It can get very cold here in the winter.
And last but not least don't forget the 8% stamp duty, payable by the buyer, on properties sold for less than 400.000 euros.
Good luck
Molt