It looks like a two litre low chassis model to me - the same chassis type as used by Captain Hastings in the Poirot series on TV. If so, they are good on styling (long bonnet, low rakish lines etc) but sadly lacking in the power department!
Duncan
Edited to add - Nic Portway is married to Judy Portway who has been on the VSCC Committee, and is daughter of Kenneth Neve one of the "names" in the early days of the Club. Both Nic and Judy are excellent approachable people that have put a lot into the Club.