Roman House Layout — Domus Floor Plan & Rooms

The Roman House Layout, Front to Back

The Roman house layout followed a clear front-to-back sequence along a central axis. A visitor entered through the fauces, crossed the atrium with its central pool, passed the tablinum reception room, and reached the open peristyle garden, with the dining room and kitchen beyond. This roman domus floor plan stayed remarkably consistent across the Roman world.

The Sequence of Spaces

Walking through a domus from the street, the parts of a roman house appeared in this order:

1. Fauces / vestibulum — the narrow entrance passage from the street.
2. Atrium — the tall central hall, partly open to the sky, with the impluvium pool.
3. Cubicula — small bedrooms opening off the sides of the atrium.
4. Alae — open alcoves or "wings" flanking the far end of the atrium.
5. Tablinum — the master's study and reception room, set on the main axis.
6. Peristyle — the colonnaded garden at the heart of larger homes.
7. Triclinium — the formal dining room, usually opening onto the garden.
8. Culina — the kitchen, a small service room often near the latrine.
9. Posticum — the back door, used by servants and for deliveries.

At the street front, tabernae (shops) often flanked the entrance on either side, run by the household or rented to tradespeople.

Room-Name Glossary

These roman house names come straight from Latin. Keep this table handy as you explore the rest of the site:

Latin name	Function in the house
fauces / vestibulum	Entrance passage from the street
atrium	Central hall with rainwater pool
impluvium	Shallow basin catching rainwater
compluvium	Roof opening above the impluvium
cubiculum (pl. cubicula)	Bedroom / private sleeping room
ala (pl. alae)	Open alcove beside the atrium
tablinum	Study and formal reception room
peristylium	Colonnaded garden courtyard
triclinium	Dining room with three couches
culina	Kitchen
posticum	Rear service door
taberna (pl. tabernae)	Street-front shop or workshop
lararium	Household shrine to the family gods

Public Front, Private Back

The plan split the house into zones. The atrium and tablinum were semi-public, where the master received clients during the morning salutatio. The peristyle, triclinium and cubicula were more private, reserved for family and invited guests. This gradient from public to private explains why the layout mattered as much for social display as for comfort.

Variations on the Plan

Not every house matched the textbook domus floor plan. Smaller homes might skip the peristyle entirely, while grand houses like the House of the Faun in Pompeii had two atria and two peristyles. As land grew scarce, some owners absorbed neighbouring shops or added upper floors. Still, the core sequence — entrance, atrium, tablinum, garden — remained the recognisable signature of the Roman house.

To see how these spaces worked in practice, continue to the atrium, the tablinum, the peristyle, and the other rooms of the domus.