NPC houses can be built from any obtainable Blocks, as long as there are no more than 250 Corruption or Crimson blocks nearby. There are many ways to defend them, so See 'Base Defense' below for more details. NPCs may have trouble defending against enemies, so players will need to make sure that enemies cannot get into NPC houses.

A house must have at least 60 but fewer than 750 total tiles including the frame around it.

To create safer windows, place sections of Glass Wall instead.

Having holes in the background walls may sometimes allow enemies to spawn within the house.

Unsafe walls (such as naturally-occurring Dirt Walls) do not count as valid background walls.

A 'hole' is a tile that is neither occupied by a valid solid tile nor a valid background wall.

'Holes' that are 5 tiles or more in width/height are not permitted.

All tiles must be at least 10 tiles away from the 'true' world edges.

The frame can only be made up of solid tiles (solid blocks or platforms that are not actuated), Trap Doors, doors, or Tall Gates (only the tiles occupied when the doors are closed will count into the frame).Īll tiles within the range of a house (both the frame and the internal area) have to meet the following requirements:

the internal area is completely unconnected to any tiles outside). The frame must be completely closed (i.e. 'Frame' refers to the tiles surrounding the internal tiles.A tile can be 'connected' in 8 directions, which means that tiles in the internal area have to be connected with each other in horizontal, vertical, or diagonal directions.This content is transcluded from House.The range of a house includes a 'connected' internal area and the 'frame' surrounding it, in details: Note that you cannot have more than 3 NPCs in 1 area without all said NPC’s wares going up in price. As houses can share walls, floors, ceilings, and doors, multiple NPC houses usually become rooms within a larger base of operations. Note that this arrangement is extremely inefficient in 1.4, as NPCs now have preferences about biomes, space, and neighbors.Īn NPC house is an enclosed structure that NPCs can move into.

Terraria castle in space