The old Screwfix ERA van-lock was ugly and a pain, the screws got in the way (even cut down) and it didn't really exude a “high security” vibe…
Unfortunately this was done to the door to aid fitting:
Anyway, a slightly nicer one was purchased and bolted on, photos in the pipeline!
Roof vent was a steel cowling which was more than a little crusty, we were sure it was letting in water so I removed it, this was the rust left behind:
Run out of time, we're due to set off on holiday, problem solved for now…