How to Add a Second Floor or Loft to Your Home — RoomSketch3D

Name: How to Add a Second Floor or Loft to Your Home — RoomSketch3D
Uploaded: 2026-06-18T00:00:00+00:00
Duration: 137 s
Description: Turn a single-floor home into a two-story design in RoomSketch3D. This guide adds a loft above the ground floor, shapes it over the rooms below, makes the open side a pony wall, connects the floors with a staircase, furnishes the loft, and views the finished two-story home in 3D.

Turn a single-floor home into a two-story design in RoomSketch3D. This guide adds a loft above the ground floor, shapes it over the rooms below, makes the open side a pony wall, connects the floors with a staircase, furnishes the loft, and views the finished two-story home in 3D.

2 minUpdated 2026-11-02

Read the full step-by-step guide

What this video covers

1Build the ground floor
2Find the floor menu
3On a phone, the floor menu is in the top row
4Add a floor — above, or below for a basement
5Choose how to start it
6Shape a copied floor or a loft over the one below
7Draw from scratch: draw the new floor right on the plan
8Place the stairs on the lower floor
9Check the stairwell upstairs
10Build out the upper floor
11See the other floors while you work
12Walk between floors in 3D
13Export per floor or the whole house

Prefer to read along? See the full written walkthrough with screenshots.

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