The signalling has already been upgraded to colour-light signalling (though I believe the Appleby - Elsham and Elsham - Wrawby sections are still Absolute Block), and lifting barriers installed, all controlled from Portacabins next to the original 'box. This will continue, it seems, until NR can get permission to move the lever frame, crossing wheel etc. out of both boxes, and move the new panels in.
If the council insists that the 'boxes are left in their original condition, will they not be left to rot, like the listed mechanical signalbox at St. Albans a few years ago? If NR could go-ahead and install the new panels, then the 'boxes would be fully refurbished (and they need it...
Am I the only one who thinks NR should be left to get on with the job?