The viscount's house.
Cottages in the neighborhood where the lieutenant grew up
The bride's grandparents' house -- her parents live in a smaller cottage on the grounds, for which I have not bothered to source a picture, but it's the six-bedroom brick sort of "cottage," not the two-up-two-down thatched sort the lieutenant grew up in
Where the viscount proposed (house belongs to some cousins of the bride)
The church where they were married
The London town house belonging to their friend
The inn where the viscount and the lieutenant broke their journey when travelling from London to Portsmouth.