Good alignment faction question

[bspacerad]

Hello, I have a level 23 enchanter who I've recently taken to OOT to camp sisters. The enchanter is a high elf and is currently amiable con to the npcs in Greater Faydark. My question is, if I'm taking a -30 faction hit towards them house long before they become threatening? Also is there a quick way to raise it back up? Any answers are greatly appreciated. Sorry if this has been brought up before for some reason the search option is not working for me.