if vin tags are off, its scrapped and the previous owner is covering himself by making the reg permanently gone , or the seller is keeping the "ringing kit"

along the sills there would be nutserts fixed to the shell for the bodykit side sills
and a horizontal line of say 2-3 mm holes about a foot apart above the nutserts,
for the sill skirts to prevent sagging, these were riveted on

turbo was fitted with 2 boxes engine ecu and fuel box behind the heater fan may be evidence of fixings there ,
, if its got these fixings , and the sill nutserts , its a turbo ,
you need the last 8-10 entries of the vin,
although dvla don`t assist without a reg number,
hpi may