I have a contact who may be able to help. It is possible for you to have your (director) correspondence address as the registered office address and we can facilitate a registered office address for you. Please send your contact details to isc@alamandco.co.uk and we will see what we can work out
The best people to speak to about it is Company Wizard directly. Although they’re our sister company, we each have our own support team.
You can reach them on 02079376678, or contact them here.
They should be able to help you with your queries further.
I don’t believe this is possible as the record is a public record. When the address is changed, an entry is made to record it. For example, Tesco has one from 2015 showing on their record (viewable here):