Common mistakes in furniture assembly

Common IKEA furniture assembly mistakes (and how to avoid them without losing your mind).

You just bought new furniture, you rip open the boxes all pumped... 

and 20 minutes later you're already drowning in screws, panels, and instructions that look like a cryptic puzzle. 

Don't sweat it: it happens to everyone. 

The catch is that a few basic slip-ups can:

❌ ruin the furniture, 

❌ waste hours of your time, 

❌ force you to take everything apart again, 

❌ or worse... get you hurt. 

Here are the most frequent mistakes I see out in the field and how to dodge them. 

🔴 1. Diving in without checking the parts

Classic. 

You dive right into assembling... and halfway through you're missing a screw or a panel. 

Result: you have to take the whole thing apart.

✅ Solution

Before starting:

• open all the boxes

• check the hardware pack

• make sure nothing is damaged

5 minutes now = 1 hour saved later.

🔴 2. Using only a hand screwdriver 

With big furniture (wardrobes, kitchens, beds), doing it by hand is pure torture.

You get tired, you tighten the screws badly, the furniture remains unstable.

✅ Solution

You need at least:

• electric screwdriver

• right bits

• spirit level

With the proper gear, the job is three times faster and way more precise.

🔴 3. Building it vertically instead of flat

I often see people trying to assemble wardrobes completely upright.

Huge mistake.

The frame warps and ends up completely crooked.

✅ Solution

Always assemble

✔ flat onthe floor
✔on a level surface
✔ then stand it up at the end

Much simpler, much cleaner.

🔴 4. Over-tightening the screws

It sounds counterintuitive, but it's one of the worst things you can do.

If you over-tighten:

• you wreck the particle board

• strip the screw holes

• compromise the unit's stability 

✅ Soltion

Tighten until it's snug, not as your life depends on it. 

A drill with a clutch setting helps immensely. 

🔴 5. Skipping wall anchors 

This is easily one of the most overlooked mistakes.

Some furniture must be anchored for safety, while others stand fine on their own.

The tricky part is knowing which is which.

⚠️Always anchor

• tall bookshelves

• narrow signle wardrobes

• kitchen cabinets

• tall bathroom cabinets

• lightweight vertical furniture

If someone leans on them or a kid tries to climb... they can tip right over.

👍 Usually NOT needed

• large deep wardrobes

• extra wide and stable units

• low compositions

They're already heavy and naturally balanced.

✅ Solution

Assess case by case:

• stability

• height

• weight

• wall type (brick, concrete, drywall...)

If the wall is weak or crumbly, guessing with random wall plugs will do more damage than good.

Better to pick the right anchoring method... or let someone who handles it every day take care of it. 

🔴 6. Going solo on heavy pieces

Kitchens, large wardrobes, storage beds... 

They're heavy, awkward, and unwieldy. 

You risk:

• scratching your floors

• damaging the furniture

• hurt your back

✅ Solution

At least two people for large any furniture piece.

🔴 7. Underestimating how long it takes

“Ah, I'll knock this out in a couple of hours.”

Spoiler: it almost never works out that way.

Putting furniture together always takes longer than you think.

Between sorting parts, making adjustments, dealing with issues, and uneven walls or floors... hours just vanish. 

And you usually end up:

• tired

• nervous

• rushing the job (which is the absolute best way to mess things up) 

⚠️ The reality?

Every assembly is different.

A kitchen, a wardrobe, or a wall unit never take the exact same amount of time: one minor surprise is enough to slow everything down.

That's why real pros don't promise "magic" turnaround times, they take their time and work with precision until it's done right.

✅ Solution

Clear your schedule and give yourself enough time... 

or hand it over to someone who does it every day, equipped with the right tools and experience to skip the headaches.

💡My honest advice

If you're just putting together a single nightstand or a shelf, you can totally handle it on your own. 

But if you're furnishing an entire home, setting up a kitchen, or building massive wardrobes...

it's usually worth saving yourself the time, sweat, and frustration.

If you're in Rome or the surrounding areas, drop me a message and I'll handle it.

I show up with professional gear, build everything safely, and leave you to enjoy your home stress-free.

👉 Read next: When you can DIY (stress-free)

👉 Read next: When it's worth calling a professional assembler

👉 Back to: IKEA furniture assembly guide