How to Redesign a Room With Midjourney

Midjourney is one of the most capable AI image generators around, and it's genuinely fun to use for interior design inspiration. If you want sweeping, magazine-quality renders of dream living rooms and bedrooms, it can deliver. This tutorial walks through how to actually redesign a room with Midjourney step by step, with real prompts you can copy, and an honest look at where it shines and where it gets frustrating. By the end you'll know whether it's the right tool for your project, or whether a purpose-built room redesign app will get you there faster.

What Midjourney Is (and Isn't) Good For

Midjourney generates images from text descriptions. You type a prompt, it returns four image options, and you upscale or vary the ones you like. It's run through Discord (and a web app at midjourney.com once you've created an account). Subscriptions are paid and tiered, so this isn't a free tool, and plans and limits change over time, so check the current pricing on their site rather than trusting any number you read in a blog post.

The key thing to understand: Midjourney is a generator, not a renovator. It's brilliant at inventing beautiful rooms from scratch. It's much harder to make it redesign your specific room while keeping the windows, layout, and proportions you actually have. We'll cover both approaches below.

Step 1: Set Up Your Account

Create a Midjourney account at midjourney.com and start a subscription. You can generate images through the web interface or by joining the Midjourney Discord server and using the bot in a channel (or by DMing the bot). New users sometimes find the web app simpler; Discord gives you more community examples to learn from.

Step 2: Write a Clear Room Prompt

To generate a room concept, use the /imagine command (in Discord) or the prompt bar (on web). A strong interior prompt names the room type, the style, the materials, the lighting, and the camera framing. Here's a template:

[room type], [style], [key materials/colors], [lighting], [mood], [camera/format]

Example prompts you can adapt:

• "Scandinavian living room, light oak floors, white walls, pale linen sofa, large windows, soft morning daylight, minimalist and airy, interior design photography --ar 3:2"
• "Cozy mid-century modern bedroom, walnut furniture, mustard and teal accents, warm evening lamplight, editorial interior photo --ar 16:9"
• "Japandi dining room, low wood table, neutral palette, paper lantern lighting, calm and serene, architectural digest style --ar 3:2"

The --ar flag sets aspect ratio (3:2 and 16:9 suit interiors well). Be specific about style words; vague prompts give generic results. If you're unsure what styles to describe, browsing a gallery of named interior styles like this collection of interior design styles is a great way to build vocabulary you can drop straight into a prompt, and a focused look like modern interior design shows what "modern" actually implies in materials and lines.

Step 3: Refine With Variations and Upscaling

Midjourney returns a grid of four images. Below them you'll see buttons:

• U1–U4 upscale a chosen image to a larger, cleaner version.
• V1–V4 create new variations based on the image you liked.
• The reroll button regenerates the whole grid from the same prompt.

Iterate: pick the closest result, hit a variation, and adjust your prompt wording each round. Add or remove descriptors ("more plants," "darker wood," "remove rug") until the look lands. This loop is where most of your time goes.

Step 4 (Optional): Use Your Real Room as a Reference

This is the part people most want and the part Midjourney handles least intuitively. To nudge results toward your actual space, you can include an image reference by uploading your room photo, copying its URL, and placing that URL at the start of your prompt. Midjourney also supports a style-reference flag for matching an aesthetic from a reference image.

Example: "[your-room-image-URL] same room redesigned in warm modern farmhouse style, keep window placement, new furniture and decor --ar 3:2"

Be realistic about what happens here. Midjourney will borrow color, mood, and rough composition from your photo, but it does not "edit" your room the way a renovation tool would. Walls may move, windows may shift, and the proportions can drift. It's inspiration anchored loosely to your space, not an accurate before-and-after of your room.

Step 5: Save and Plan

Once you have a render you love, download it and use it as a mood board to guide real purchases: paint colors, sofa shapes, lighting, and layout direction. Treat the output as a design target, not a literal shopping list, since AI-invented furniture isn't always something you can buy.

Honest Pros and Cons for Interior Design

Where Midjourney wins

• Stunning aesthetics. Few tools match its lighting, texture, and overall polish.
• Creative range. It can dream up bold, unexpected combinations that spark ideas you'd never have prompted for directly.
• Style flexibility. With good wording, it nails almost any look, from brutalist to cottagecore.

Where it gets frustrating

• Hard to keep your real room. This is the big one. If your goal is "show me my living room in a new style," Midjourney fights you. Layout, windows, and proportions tend to change.
• Prompt-craft learning curve. Great results require practice, flags, and re-rolls. Beginners often spend an evening before getting something usable.
• Discord friction. Working inside a chat app feels clunky if you just want a quick redesign.
• Paid, with changing limits. There's no meaningful free tier for sustained use, and generation/fast-hour limits depend on your plan.
• No measurements or shoppable output. It's a visualizer, not a planner.

If you enjoy the craft and want maximum creative freedom for moodboards, Midjourney is a joy. If you specifically want to see your own room transformed, the friction adds up fast.

Or Use a Purpose-Built Room Redesign App

If your real goal is "I have a room, show me what it could look like," a tool built for exactly that will save you a lot of prompt wrestling. That's what RoomGPT's AI interior design is for. Instead of describing a room in words and hoping the model keeps your windows, you photograph the room you already have, pick a style, and get a redesign in seconds, with your actual layout preserved. There are no flags to memorize and no Discord to navigate, and it's free.

It's also tuned for the rooms people redesign most. You can see how it handles a living room redesign or a bedroom makeover, and choose from 100+ styles rather than reverse-engineering the right adjectives. If you want to understand the broader landscape first, our AI interior design guide compares approaches and explains what to expect from each.

The honest takeaway: Midjourney and a dedicated app aren't really competitors, they're different tools. Use Midjourney when you want artful, from-scratch inspiration and don't mind learning prompts. Use a purpose-built app when you want a fast, accurate redesign of the room you're actually standing in.

Ready to See Your Room Transformed?

If reading through prompts and flags felt like a lot, that's a fair reaction. Try the free RoomGPT app on iOS or Android: snap a photo, pick a style, and watch your room get redesigned in seconds. No prompt-writing required.