Thorney Island.
Chugalug,
Very helpful indeed ! - although I was amused (on the Google link map) to see East Thorney captioned as West Thorney !
Managed to hunt down what I think was our flat, but it's very confusing. When we were there, the end of Bembridge Drive was the exreme SE point of building on the island - you could look across to Thorney from there - but now there has been extensive building to the east of the Drive.
A lot changes in fifty years !
In your "Frosty" case, the Local Controller should have been switching the lights - Lord knows, he'd precious little else to do !
Danny.