I'm having a little play around and I was looking to customise my humble abode a little. I've added some more chickens, a few horses and some NPC's to slave away doing manual labour.

There are a couple of places in Lakeview, which would be good for some watchtowers. I've been searching to find some ID codes to put some down, don't really want them to be too big and preferable no exit/stairs so positioned guards don't leave their ranged post.

Maybe something like the wooden structure outside Fort Greymoor?

http://img1.wikia.nocookie.net/__cb20111225123435/elderscrolls/images/e/e1/Fort_Greymoor.jpg

Also, my slaves like to join the fray, are there any NPCs who are 0% hostile so won't stop working even when a dragon appears?

I would not recommend using player.placeatme for named NPCs.

No, I haven't. They all like to fight anyway.

lol, Welcome to Skyrim. Where even the lowliest beggar thinks they're Dragonborn.

gonna be honest.. using console commands to fortify your home is probably the worst way to go about it..

would probably be less buggy and otherwise troublesome to just open up the CK and do it there