Terraria NPC Housing Validator
New to Terraria housing? Enter your room's interior dimensions and check which requirements you've met. Get instant green/red feedback on every rule before you waste time building the wrong way.
Room Dimensions (interior tiles)
12550
11530
Valid wall type
Flat Surface
Table, workbench, etc.
Comfort Item
Chair, bed, toilet…
Light Source
Torch, candle, lantern…
Entrance
Door or platform gap
Invalid housing — 6 issues to fix.
Minimum width: need 10 tiles interior, have 8Extend the room to at least 10 interior tiles wide (12 total including walls).
Minimum height: need 6 tiles interior, have 6
Minimum area: need 60 tiles, have 48Current area is 48 tiles. Increase width or height.
Maximum area: must be 750 or fewer tiles, have 48
Walls are player-placed (not natural/background)
Flat surface present (table, workbench, dresser, etc.)Place any flat surface furniture — a plain wooden table works.
Comfort item present (chair, bed, toilet, etc.)Place any comfort furniture. A wooden chair next to the table is the classic combo.
Light source present (torch, candle, lantern, etc.)Place any light source. A torch on the wall counts.
Entrance present (door, trapdoor, or platform gap)Add a wooden door, or replace a wall tile with platforms to create a valid entrance.
Interior: 8 × 6 = 48 tiles | Min required: 60 | Max allowed: 750
Valid Flat Surfaces
- Table
- Work Bench
- Dresser
- Bookcase
- Bathtub
- Piano
- Bench
- Grandfather Clock
- Fireplace
- Keg
- Tombstone
- Loom
- Cooking Pot
- Cauldron
Valid Comfort Items
- Chair
- Bed
- Toilet
- Sofa
- Throne
- Bar Stool
- Bench
- Toilet
- Hammock
- Lawnchair
Valid Light Sources
- Torch
- Candle
- Lamp
- Lantern
- Chandelier
- Firefly Jar
- Blue Torch
- Demon Torch
- Ichor Torch
- Cursed Torch
- Tiki Torch
- Star in a Bottle
Common Mistakes
- Dirt/stone walls (background) — always invalid
- Room too small — minimum 60 interior tiles
- Room too large — max 750 interior tiles
- Missing any one required item
- Open ceiling or floor gaps
- Valid entrance: door, trapdoor, or platform with a 2-tile gap