Thanks for the images This Is Brilliant i didnt ask for any from you earlier as i didnt check if images were enabled for your community account or not.
While I cant see any wires going up to the BT/OpenReach based socket like the Virgin Media socket has that doesnt mean that its not connected as it may actually be connected more neatly from the outside inwards and to the back of the socket,you can sometimes see a white cable going up to the top of the socket if you fully unscrew the lower half of the socket where the test socket is and look into the back cavity of the box.
A line test should be done to determinate if its an active socket or not and from the looks of things it may qualify for a remote activation so no engineer will be required.
That said if the BT Socket has been deactivated for quite some time and the Virgin Media/NTL Cable socket has been in use then an engineer may need to attend to confirm this and re-activate it to enable the remote activation if that makes sense.
You can actually find out if the socket can be remote activated using an unorthodox method yourself of checking TalkTalk’s website
for potential packages & input your postcode then hit “check availability” then select your address on the next screen and tick the box that asks if “you are moving to this property” and as it checks it will tell you if it finds a line or not if it does then packages will be offered to you and once it gives you your package results scroll down to the bottom of the page and you will see a section called " Useful information" this section will have a drop down box and it will say whether an engineer will need to attend or not and also a go live date then at this point just leave the checker as you already have the Cuckoo order going through.
Hopefully that will put your mind at rest.