Many years ago when I was looking at SEACs (actually bought a 420SE instead) I went to the TVR Centre in Barnet to look and listen to the cars on a few occasions. Also saw a couple at other garages too.
Fantastic photos. Mines the blue one parked next to the red telephone box. Here's a more recent photo of it after I recommissioned it. Glen - ours are old stable mates then.....