rick wrote:

looking for a neat solution that I can terminate (to keep ring
continuity) within the existing back box (dry wall boxes)
Wiil be classed as inaccessible, will then make the drywall hole
good.(will be behind new glass decor panels)

If the existing cable run is from from socketA, to socketB, to socketC,
to socketD and you remove e.g. sockets B and C, will the remaining
cables from A to D still be within allowed zones?

http://wiki.diyfaq.org.uk/index.php/Safe_zones_for_electric_cables