Exemptions are possible for:

• Maintenance of a public register;
• Some not-for-profit organisations;
• Processing personal data for personal, family or household affairs (including recreational purposes) :
• If you only process personal data for
  • staff administration;
  •  advertising, marketing and public relations
  • accounts and records;
• Individuals who are processing personal data for personal, family or household affairs are exempt from notification and most of the other provisions of the Data Protection Act 1998.