As a paid up Aylsham Tennis Club member, you are entitled to Free British Tennis 'Lite' Membership (Juniors age 11-17, adults 18+). This means that you can opt-in to the Wimbledon Ballot.
Existing Aylsham Tennis Club members who are not already BTM members will receive an email from the LTA to take up your BTM Lite Membership, but more information can be found here BTM Lite Membership.