10 Flatpack Assembly Mistakes to Avoid (And How to Save Time & Stress

Flatpack furniture might seem straightforward, but small mistakes can turn a simple build into a frustrating afternoon. Here are 10 common flatpack assembly mistakes and how you can avoid them (or skip the stress entirely by hiring a pro!).

1. Not Checking the Parts First

Always double-check all parts and hardware before starting - missing items can cause big delays.

2. Skipping the Instructions

Even seasoned DIYers get caught out. Instructions might not be thrilling, but they’re there for a reason.

3. Using the Wrong Tools

The little allen key isn’t always enough. Learn which basic tools make the job easier - and when it’s time to call in a pro.

4. Assembling in the Wrong Room

You build it in the lounge… only to realise it won’t fit through the doorway. A common mistake with wardrobes and beds!

5. Over-tightening Screws

It feels secure - until the wood splits. We’ll explain how to avoid damaging panels or joints.

6. Not Following the Order

Steps often need to be done in a specific sequence. Skipping ahead can mean taking the whole thing apart again.

7. Poor Surface Preparation

Building on carpet or uneven floors can lead to wobbly furniture or lost parts. Here’s how to set yourself up properly.

8. Losing Patience Mid-Build

Flatpack rage is real. Learn how long you should expect it to take and when to take breaks.

9. Ignoring Safety Checks

Especially important for kids’ playsets or heavy furniture - stability and wall anchoring matters.

10. Trying to Do It All Alone

Some items really do need two people. If you’re stuck, call a local expert to get it done quickly and safely.

Save yourself time, frustration, and possible injury - let Flatpack Man do the hard work for you.
Serving London Colney, St Albans, Welwyn Garden City, Hemel Hempstead, and across Hertfordshire, we provide fast, friendly, and professional flatpack assembly services with 20+ years of experience.