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Choosing a Sofa for Your First Apartment: Size, Stairs, Fabric and Moving

A first-time buyer's guide to choosing a sofa in the right order: the route, the room, the size, the fabric and what happens when you move.

Updated November 12, 20269-min ReadCozey Editorial
A Cozey Atmosphere sofa in a small apartment living room

Short answer: Cozey's modular sofas suit a first apartment because they arrive in separate boxes, you choose the size, and you can reshape them when you move. Decide in this order: route, room, size, fabric, then setup. Measure first, and pick the sofa second.

A first apartment is usually small, up some stairs and not your last address, so the sofa has to pass the door, fit the wall and move with you. Most buying advice starts with style. This page starts with the decisions that cannot be undone, and links our deeper guides instead of repeating them.

On This Page

  1. What order should a first-time buyer decide things in?
  2. How do I measure the room and the route?
  3. What size sofa should I start with?
  4. Do I need a sofa that moves with me?
  5. Which fabric suits a first place?
  6. Should my first sofa be a sofa bed?
  7. How hard is setup, and can I try the sofa first?
  8. What do I buy after the sofa?
  9. Our recommendation
  10. Explore our sofas

What order should a first-time buyer decide things in?

At Cozey, we suggest seven decisions, with the hardest to change first:

1. The route. Measure every door, turn, stair and elevator between the street and the room.

2. The room. Tape the footprint on the floor and keep a walkway.

3. How long you will keep it. A sofa that can change shape suits a place you may leave.

4. The size and seat depth. Pick a width for the wall, then a seat depth for how you sit.

5. The fabric. Choose for your household, and test it with swatches.

6. Setup. Plan who will carry the boxes and when you will build the sofa.

7. The trial. Every order comes with a 30-day risk-free trial.

Money belongs in this list too: set the total first, and buy only the seats you need today. Our guide to buying a sofa on a budget covers that in detail.

How do I measure the room and the route?

Measure the route before the room, because a sofa you cannot carry in is not a choice. Our sofas ship as modules in separate boxes, so what has to pass your stairs, elevator or doorway is a box, not a finished sofa. Across our indoor collections, the longest module box is the Orian arm box at 41.7 inches, and the heaviest is the Ciello chaise extension box at 59.5 lb.

Use a tape measure and work through this list:

  • Doors and turns: measure the clear opening at the tightest point, including hinges and handles, and any hallway corner where a box has to pivot.
  • Stairs and elevators: measure the stairwell width, the headroom and the landing depth, or the elevator door and cabin.
  • The room: tape the sofa footprint on the floor, and as general advice keep walking paths at least 30 inches clear, with 36 inches more comfortable.

Our guide to measuring stairs, elevators and doorways lists the box size and weight for every collection.

What size sofa should I start with?

Start with the wall the sofa will sit against, then check the depth against your walkway. At Cozey, our two-seaters with arms run from 60.6 to 77.2 inches wide, so there is a size for most first living rooms. Our collections at a glance:

What size sofa should I start with?

CollectionDefining traitTwo-seater width (with arms)Overall depthSeat depth
CielloOne of our softest sofas, with deep, loose cushions74.75 inches37.5 inches21.5 inches
GaiaA soft seat with a high backrest and slim arms67.7 inches35.0 inches24.0 inches
CassiniCurved and low, with a 45-degree wedge module60.6 inches36.0 inches26.5 inches
AtmosphereMedium-firm seating and our deepest seat77.2 inches, rounded arms38.5 inches27.5 to 29.5 inches
Neptune (sofa bed)Storage in every seat64.6 inches39.0 inches22.5 inches
Orian (sofa bed)A two-seater that converts to a queen bed72.8 inches41.0 inches25.5 inches

For a wall up to 60 inches, an armless Cassini is 53 inches wide and an armless Atmosphere is 59 inches. For a corner, the armless Cassini L-shape is about 62.5 x 62.5 inches and the armless Gaia L-shape is 65.4 x 65.4 inches. In a small room, a straight sofa has the smallest footprint of any layout.

Seat depth is about how you sit. As general advice, a shallower seat sits more upright and a deeper seat suits curling up, so sit on a few at a friend's place or a showroom before you decide. Our guide to choosing a sofa size explains width, depth and seat height, and our list of the best sofas for small apartments and condos goes deeper on tight rooms.

Cozey Studio lets you check the shape before you order. You build the sofa one module at a time, and the overall dimensions appear at the bottom left of the screen, so you can compare them with the tape on your floor.

Do I need a sofa that moves with me?

If you may leave within a few years, yes, it is worth choosing one. At Cozey, every sofa collection is modular, so you can add, remove and rearrange compatible modules, for example turning an L into a straight sofa in a new room, where the layout allows. The modules also travel in their boxes, which makes the next move easier than carrying a finished sofa.

There are limits to know before you plan. In Ciello and Gaia, Regular and XL modules cannot be mixed. In Atmosphere, regular, storage and sleeper modules cannot be combined. Some arms are handed, and a module from one collection should not be assumed to fit another. We also cannot promise that a module or fabric will stay available over time.

A fixed sofa is still sensible when you have measured the route, know it fits and plan to stay. Our comparison of modular and traditional sofas for a small apartment sets out both sides, and our guide to how many modules you need helps you start at the right size.

Which fabric suits a first place?

Choose the fabric for how you live, then check it with swatches. Fabric strength is measured in Martindale double rubs, and a higher number means a more durable surface. The fabrics we offer on all four of our sofa collections are the first to compare:

Which fabric suits a first place?

FabricMartindale double rubsOffered onOur assessment for pets
Aquaforte VelvetMore than 200,000Ciello, Gaia, Cassini, AtmosphereExcellent
Aquaforte78,000Ciello, GaiaGood
Performance Chenille48,000Ciello, Gaia, Cassini, AtmosphereGood

The covers on our Ciello, Gaia, Cassini and Atmosphere sofas are removable and machine washable, which matters in a first place where spills happen. On the Orian, only the seat and back cushion covers come off; the arm and base covers are fixed, so spills there need spot cleaning. Wash cold on a gentle cycle and air dry, and avoid bleach and high heat.

Our free swatches let you see a color in your own light before you commit, and our guide to choosing a sofa color helps you narrow the shortlist. Our Aquaforte Velvet colors guide shows the eight shades, and our list of the best washable sofas for pets and kids compares fabrics for busy households.

Should my first sofa be a sofa bed?

Only if you expect overnight guests and have no other bed to offer. Our two sofa beds, Neptune and Orian, are built for small rooms, but a sleeper needs floor space when open. The Neptune three-seater reaches about 60 inches from the back of the sofa when open, and the Orian reaches 80 inches. Check that number against your room before you choose one.

If you are furnishing a studio, our guide to the best sofa bed for a studio apartment covers size and layout. Our guide to buying a sofa bed online lists what to check before you order.

How hard is setup, and can I try the sofa first?

Setup is manageable alone, and the trial gives you time to be sure. Our typical setup time is 20 minutes per module for the Atmosphere, Ciello, Ciello XL, Gaia and Neptune sofas, so a larger sofa takes longer. Our product pages describe tool-free assembly for Atmosphere, Gaia and Cassini, while Neptune legs attach with hand screws. Our assembly time guide has the details.

Standard delivery leaves the boxes at the front door or building lobby, so plan for help with the heavier ones on stairs. Every order has a 30-day risk-free trial; keep the original boxes during it, and read the current terms on our site before you order.

What do I buy after the sofa?

Buy the sofa first, because its size decides everything that follows. Our living room essentials guide gives the order for a rug, a coffee table, side tables, a chair and storage, and our guide to furnishing a small apartment shows how to keep a small space calm.

When floor space runs out, go vertical. The Cozey Themis modular wall system is a set of shelf and cabinet units, each 32.0 inches wide and holding 50 lb; the shelf and cabinet can be wall-mounted or freestanding. The Cozey Altitude wall shelves and cabinet are another wall option. In a rental, check the building rules before you drill. For the coffee table, read how to choose a coffee table.

Our recommendation

Cozey's recommendation for a first apartment is to measure first and buy the smallest layout that seats you today.

  • Narrow stairs, a walk-up or a small elevator: compare the longest box in your layout with your tightest turn.
  • A wall under 60 inches: an armless Cassini or Atmosphere two-seater.
  • A deeper, lounging seat: Atmosphere or Cassini. A shallower, more upright seat: Ciello or Gaia.
  • A busy household or pets: Aquaforte Velvet or Performance Chenille, with covers you can wash.
  • Occasional guests: Neptune or Orian, after checking the open depth.
  • Not sure: preview the sofa in Cozey Studio, and order free swatches.

Explore our sofas

Product specifications can change. Check the current dimensions on the product page before ordering.

Frequently Asked Questions

At Cozey, we suggest checking five things in order: the route into the building, the width of the wall, the depth against your walkway, the fabric and how the sofa moves with you. A modular sofa answers the first and last, because it arrives in separate boxes and can be rebuilt in a new room. Then compare width, overall depth and seat depth in the table above, and order free swatches. Keep walking paths at least 30 inches clear as general advice, and tape the footprint on the floor before you buy.


At Cozey, we list a box size and weight for every collection, so you can compare them with your route instead of guessing. Measure the clear opening at your tightest door, the stairwell width, the headroom, the landing depth and any elevator cabin, then compare them with the two smaller sides of the longest box in your layout. The longest box is the Orian arm box at 41.7 inches. This is general advice for moving any furniture, and your building may add its own rules, so ask building management about elevator booking.


Yes. At Cozey, the modules of our sofas separate, travel in boxes and go back together in your next home, and you can rebuild a different layout if the room is a different shape, where the layout allows. You can also add compatible modules later if you need more seating. Check the limits first: Regular and XL modules cannot be mixed in Ciello or Gaia, regular, storage and sleeper modules cannot be combined in Atmosphere, and we cannot promise that a module will stay available. Keeping the original boxes helps with moving.


At Cozey, we suggest Aquaforte Velvet or Performance Chenille for a first apartment where spills, guests or pets are likely. Aquaforte Velvet is rated at more than 200,000 Martindale double rubs and Performance Chenille at 48,000, and both are offered on all four of our sofa collections. In our own assessment, both are good choices for homes with pets. The covers on Ciello, Gaia, Cassini and Atmosphere are removable and machine washable, so a spill is a laundry task. Order free swatches to check the color in your own light.


Only if you expect guests to stay over and have no other place for them. At Cozey, our sofa beds are Neptune and Orian, and both need floor space when open: the Neptune three-seater reaches about 60 inches from the back of the sofa and the Orian reaches 80 inches. If guests are rare, a regular sofa leaves more room every day, and you can add a sofa bed in a later home. In a studio, check the open depth against your floor plan first.


At Cozey, our typical setup time is 20 minutes per module for the Atmosphere, Ciello, Ciello XL, Gaia and Neptune sofas. Your own pace may differ. Our product pages describe tool-free assembly for Atmosphere, Gaia and Cassini, and Neptune legs attach with hand screws. Standard delivery leaves the boxes at your door or building lobby, so you carry them in. Each module is lighter than a finished sofa, which makes carrying easier.


At Cozey, every order includes a 30-day risk-free trial, so you can live with the sofa at home before you decide. Before you order, you can also request free swatches, up to eight in one order, delivered free within three business days, and preview the build in Cozey Studio. Keep the original boxes during the trial, and read the current terms on our site before you start a return, because details can change.

Explore Cozey's Sofas

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