What town do you live? Do you speak Flemish? The city of Antwerp has a very good archive wich includes the Bevolkingsboeken of Antwerp from 1930 on to older. Younger than 1930 is not available. If you would live close by Antwerp, I can show you the ropes, but anything you do yourself saves my time.
If you read Flemish, consult the book "handleiding voor de genealoog" in your local librairy.