Kitchen Island Decor End Panel Cuts

Hi all

Planning on finishing the kitchen island on the weekend so I can get the quartz worktop people in to template asap

All I have to do is fit some curved corner posts and attach decor end panels really to both ends of the island

Also have a cut out one end for a electrical double socket - do you use the drywall back boxes for this type of thing (never used them before)

My main query though is that Howdens have given me this breakfast bar panel to cut to size for the ends of the...

Kitchen Island Decor End Panel Cuts