Your question has been answered. Just a few thoughts and observations:
1. If you 'don't want to be found', ensure that you mark the box which excludes your name from the 'edited' electoral roll. That's the version of the electoral roll that organisations like 192.com can buy, as can firms which send out junk mail (and anyone else that can afford the mega-bucks it costs to purchase). Electronic versions of the 'full' electoral roll (either online or on CD) are only available to official bodies, such as the police, security services and credit reference agencies. The general public can only view the printed version, which is arranged in street order (rather than alphabetically by name), and so is extremely difficult to search.
2. If you're not on the electoral roll you'll almost have any type of credit application refused.
3. If you're not on the electoral roll, and you're questioned in the street by police about an incident, you might have to be taken to a police station until your name and address can be verified.
4. You've posted about having rights within a democracy. There can be no true democracy unless everyone has the right to vote. So it seems odd that you're determined to give up that right but still want 'democratric rights'. (In many countries the law requires that all citizens must actually vote in all elections, rather than just register to be able to do so).
5. If you don't vote I assume that you never complain about your local council, central government or the EU. Politicians only get into (or out of) office because people use their votes to put them there (or to remove them).
Chris