If you're unable to provide any of the required documents for your council housing application, it may delay the process or affect your application status. Southend advises that you should still submit your application, even if incomplete, to start the process. They may reach out for the necessary documentation later.
You can apply for council housing by including the required documents sent to CBL@southend.gov.uk. Be sure to emphasize that you may need additional support or time to gather your documents.