1. Measurements 2. Furniture Rules 3. Color 4. Templates
1

Room Measurement Worksheet

Before buying anything, measure everything. This worksheet captures every dimension you need. Fill it in for each room you're working on.

Pro Tip

Measure twice, buy once. Most furniture return issues trace back to skipped measurements — especially diagonal clearance for sofas through doorways.

📐 Room Dimensions
Room Name
Date Measured
Length (ft + in)
Width (ft + in)
Ceiling Height
Main Entry Door Width
🪟 Windows & Doors
Window 1: Width × Height
Window 1: Bottom from floor
Window 2: Width × Height
Window 2: Bottom from floor
Interior Door Swing (in/out)
Closet Door Clearance Needed
🔌 Outlets, Vents & Fixed Points
Number of Outlets
Outlet Locations (walls)
HVAC Vent Location
Thermostat / Switch Location
Fireplace / Feature Wall
Built-in Shelving / Fixed Elements
2

Furniture Placement Rules

These 9 rules are what separate rooms that feel "off" from rooms that feel like they were designed. None of them require expensive furniture — just intentional placement.

1
Float furniture off walls Pull sofas and beds at least 3–6 inches from the wall. It creates visual breathing room and makes the room feel larger, not smaller.
2
Anchor every seating area with a rug The rug should be large enough for all front legs of furniture to sit on it. For sofas: 8×10 minimum. A rug that's too small makes the room feel disconnected.
3
Maintain 18" between coffee table and sofa 18 inches is the ergonomic sweet spot — close enough to reach your drink, far enough to stand up without bumping your shins.
4
Keep 30–36" traffic lanes clear Every path through the room needs at least 30 inches of clearance. Primary pathways (entryways, kitchen passages) need 36–42 inches.
5
Hang art at eye level (57–60" center) The center of artwork belongs at 57–60 inches from the floor — museum standard. Above a sofa: 6–8 inches of clearance between the top of the sofa and the bottom of the frame.
6
Scale furniture to room proportions A sectional in a 10×12 room overwhelms the space. A loveseat in a 20×18 room looks like doll furniture. The main seating piece should be 2/3 the length of the wall it faces.
7
Create conversation zones Chairs and sofas should face each other across a shared surface (coffee table, ottoman). Parallel seating up to 8 feet apart allows comfortable conversation without raised voices.
8
Vary heights intentionally Mix tall (bookshelves, standing lamps), medium (sofas, tables), and low (coffee tables, ottomans) elements. Rooms with all furniture at the same height feel flat.
9
Orient to the focal point, not the door Arrange seating to face the room's focal point — fireplace, TV, feature wall, large window — not the entrance. This is the most common placement mistake in living rooms.
3

Color Coordination Basics

Color is where most people get paralyzed. The 60-30-10 rule removes the guesswork — it's used by every professional designer, in every style, in every budget range.

The 60-30-10 Rule

60%
Dominant / Background
Walls, large sofa, major flooring. Neutral or subdued. Sets the room's overall mood.
30%
Secondary / Supporting
Accent chairs, curtains, rug. Complements the dominant color. Can be bolder.
10%
Accent / Pop
Throw pillows, art, lamps, small decor. This is where you add personality and energy.

How to Start

Pick one item you already own and love (a rug, a piece of art, a throw blanket). Extract its dominant color — that becomes your 60%. Find a complementary shade for your 30%, then choose a contrasting accent for your 10%.

Warm vs. Cool Undertones

Every neutral has an undertone — warm (yellow/red) or cool (blue/green/purple). Mixing warm and cool undertones in the same room creates visual tension. Check the undertone of your paint, flooring, and wood by looking at it next to a pure white piece of paper.

The 3-Texture Rule

Color alone isn't enough. Layer three textures in your 60% color family: smooth (leather, silk), medium (cotton, linen), and rough (jute, wool, brick). This prevents a monochromatic room from feeling flat even when everything is the same color.

Natural Light Adjusts Everything

North-facing rooms get cool, bluish light all day — compensate with warm colors. South-facing rooms get warm, golden light — you can go cooler without the room feeling cold. Always test paint swatches in your actual light at morning, noon, and evening before committing.

4

Layout Templates

These templates work for most standard room sizes. Adapt them to your measurements — the key is the proportional relationship between pieces, not the exact dimensions.

sofa chair coffee table focal wall / TV

Living Room — Classic L

Sofa facing focal wall, accent chair at 90°. Works for 12×14 to 16×20 rooms.

queen/king bed 24" clearance each side dresser

Bedroom — Centered Layout

Bed on main wall with equal nightstands. 24" clearance on each side minimum.

dining table rug extends 24" past chairs

Dining Room — 6-Seat Layout

Rug extends 24" past every chair when pulled out. 42" clearance to walls.

Template Note

These are starting points, not fixed rules. The proportional relationships matter most: clearance lanes, rug size relative to seating, and focal point orientation. Adapt freely to your space.

Ready to go deeper?

DecorFlow's complete design systems include full color palettes, curated furniture shopping lists, and room-by-room layout guides — starting at $19.

See the Design Systems →