I completed assembly of the new steelwork for the nearside framing today and apart from the boot closing panel, this means the nearside framing is repaired.
Work now continues around the corner, in the vicinity of the boot doors. I removed the nearside boot door today, this required the heads drilling off the screws but proved that one of the hinges is seized and may have bent, causing the door to not shut properly.
The following series of photos shows the new steel (painted blue for protection) in place: