Thanks for the kind comments, everyone! This is the first MOC I've shared online, and I'm bowled over by the friendliness and supportiveness of the community. :)
@jodawill: Funny, I could have sworn that dark tan masonry was more common than that, but it's not anywhere else on my modular street. Huh! A big reason that I've got the combination of dark and light tan is brick availability. Light tan masonry wasn't available, and neither were dark tan arches, and so I tried a few combinations (including brown, dark red and medium flesh) until I found a scheme that worked and that I could buy.
@lightningtiger: Haha, small world, isn't it? Thanks again for the support!
@dr_sarcophagus: Yeah, the thing that made this build unlike Lego's other modulars is the large, vaulted interior. I wanted the decorative clock to be the centrepiece whether the building was open or closed, and so my first instinct to make removable storeys didn't quite work. I think this compromise works reasonably well. I was concerned at first that it might be a bit wobbly, but once I built it and fiddled, I managed to make it sturdy and keep everything lined up properly.