House tiles can now only be planned on perfectly flat ground ([[slope]] of 0 dirts). The maximum length of a house is 20 tiles in one direction.
Once you have the desired shape of your house, right-click the wooden frame and select ''Finalize build plan''. This will create a [[writ]] house and it will also be added to your list of ownership in your [[inventory]], you manageable buildings. You can manage the name, [[door lock]]s, and [[friend]]s of the house with if you have anyone on your [[friend|friends list]].
You are not required to complete a building before you are allowed to build or plan another one, however if you wish to do so you must wait until a server reset.