Before You Start: Preparation Matters
The single biggest cause of flat-pack frustration is starting before you're ready. Take five minutes to prepare and you'll save an hour of backtracking.
- Check the parts list first. Open the box and verify all parts are present before you begin. Discovering a missing part halfway through is far more frustrating than discovering it at the start when you can still exchange the item.
- Clear enough floor space. Most flat-pack builds require more space than you think. Clear the area where the finished piece will go, plus enough room around it to work.
- Gather the right tools. A rubber mallet, a ratchet screwdriver, and a power drill with appropriate bits will make any build faster. Most flat-pack only requires what's in the box, but these tools prevent stripped screws and uneven joints.
- Read the instructions once through before starting. Yes, really. Understanding the full sequence before you begin prevents the most common mistake: assembling a sub-unit in the wrong orientation.
The Most Common Mistakes
Over-tightening at Stage One
The most common assembly error is fully tightening every bolt and screw as you go. Most flat-pack builds require that joints stay slightly loose until the final structure is in place — otherwise you can't align the next section correctly, and you end up with a warped frame. Finger-tighten everything first, check alignment, then fully tighten at the end.
Ignoring Panel Direction
Many flat-pack panels have a visible face and a back face. The visible face should face outwards, and sometimes the pre-drilled holes have a direction. Assembling a panel backwards means disassembling and starting over. Check before fitting.
Two People for Large Items
Wardrobes, large bookcases and beds genuinely require two people — not because of weight, but because panels need to be held upright while connections are made. Trying to do this alone leads to parts falling, stripped holes and damaged boards. For anything over 180cm tall, get help.
IKEA Specifics
IKEA is by far the most common flat-pack brand, and their builds have their own quirks. The cam locks — the circular fittings that make a clicking sound when engaged — should seat fully (the slot should point towards the joint, not away from it). The dowels are structural; make sure all are properly seated before moving on. And for IKEA beds, the wooden slats should be inserted with the bowed curve facing upward.
When the Instructions Are Wrong
It happens more often than you'd think — IKEA and other brands occasionally print errors or have online versions of instructions that differ from what's in the box. If something doesn't seem to fit and you've checked orientation multiple times, look up the assembly video on YouTube or check the manufacturer's website for an updated PDF before forcing anything.
When to Save Yourself the Stress
If you have multiple pieces to assemble, a large item like a wardrobe, or if the instruction manual makes no sense to you — calling a handyman is often the smartest decision. Professional assembly is fast (a typical IKEA wardrobe takes about an hour), guaranteed to be done correctly, and removes a significant source of household stress.
Fix-It Handyman assembles flat-pack furniture across North London — IKEA, Argos, Wayfair and all major brands. Book a session today and we'll have it done the same day in most cases.