How to Stop a Squeaky Bed: What Actually Makes the Noise

A squeaky bed is almost never the mattress. It is two pieces of the frame moving against each other, and there are only four places that happens. Work through them in order and you will find it in about ten minutes.

First, prove it is the frame

Take the mattress off and put it on the floor. Sit on it, roll on it. If it is silent, the mattress is innocent, and it almost always is: a squeak from inside a mattress is a broken spring, which sounds like a single sharp ping rather than a repeated creak.

Now sit on the bare frame and shift your weight from side to side, then from head to foot. Sideways movement points at the rails and the corner joints. Lengthways movement points at the centre rail and its legs.

The four places a bed squeaks

1. The corner joints, where the side rails meet the head and foot ends

This is the most common by a distance, and on a metal frame it is nearly always the answer. Bolted joints work loose over the first few months as the frame settles and the finish beds in. Nothing is broken; the bolt has simply given up a quarter turn.

Tighten every bolt on the frame, not just the one you suspect. Do it in a diagonal order like a car wheel, not one corner at a time, so the frame pulls square rather than twisting. If a bolt turns but never tightens, the thread has stripped and the bolt needs replacing rather than forcing.

2. The slats, where they sit in their holders

Slats squeak when they can move sideways in the holder. On a sprung slatted base the slats sit in rubber or plastic caps, and the cap is sized for the slat. When a cap splits or a slat is slightly narrow for it, the slat rocks and rubs.

Check every slat is fully seated in both caps. A slat that has crept out at one end is both a squeak and a future breakage. If a cap is split, replace the cap rather than gluing the slat in: a glued slat stops flexing, which is the whole point of a sprung base.

3. The centre rail and its legs

Any frame wider than a small double has a centre rail running head to foot, with one or more legs to the floor. If those legs are not all touching the floor evenly, the rail flexes every time you move and the joint at each end of it creaks.

Kneel down and check each leg is on the floor. On an uneven floor, pack the short one with a thin hardwood shim or a felt pad until it takes weight. Do not just lengthen the adjustable foot until it is tight, or you lift the rail and transfer the load to the corners instead.

4. The headboard

A headboard bolted to the frame rocks a few millimetres every time someone sits up against it, and that movement is a creak. Tighten the headboard bolts, and if the headboard is a floor standing type held between the wall and the bed, put a felt pad where it touches the wall.

Why a bigger bed squeaks sooner

This is the part most guides miss. The side rails and the centre rail are usually the same section of steel or timber across a whole range, whatever the size. What changes is the span.

Swipe sideways to see the whole table

A slat crossing 180 cm deflects considerably more under the same load than the same slat crossing 135 cm. That extra movement has to go somewhere, and it goes into the joints at each end. It is why a super king frame is the one that needs its bolts checked first, and why a super king with no centre leg, or with a centre leg that is not quite touching the floor, will start creaking months before a double built the same way.

If you are choosing between sizes, this is worth knowing: it is not that a super king is flimsier, it is that the same construction is being asked to do a third more work.

What to use, and what not to

• Bolts: nothing but a spanner or the Allen key that came with the bed. Thread lock is overkill on a bed and makes the frame a misery to dismantle when you move.
• Metal on metal: a smear of grease or candle wax on the contact face, not spray oil. Spray oil runs, collects dust and stops working in a month.
• Wood on wood: beeswax or a candle rubbed on the contact face.
• Slat on rail: a strip of felt or an old sock between the slat end and the rail, if the cap is intact but the slat still taps.
• Leg on floor: a felt pad. It kills the noise and protects the floor.

What not to use: WD-40 on a joint you will need to undo later, glue anywhere on a sprung base, and packing that compresses, like folded cardboard, under a centre leg.

When the frame is the problem, not the fixing

Some frames squeak because of how they are built, and no amount of tightening changes that. The signs are a joint that comes loose again within weeks of every tightening, a rail that visibly flexes when you press on it, or a stripped thread in a soft metal bracket.

Metal frames are the most likely to develop a squeak and the easiest to cure, because every joint is bolted and every bolt is reachable. Solid wood frames are the quietest from new and the hardest to fix once a joint has worn, because the wear is in the timber itself. Upholstered frames sit in between, and the padding hides the joint you need to reach.

Before you buy your next one

Two things predict a quiet bed: a centre rail with its own legs on anything wider than a small double, and bolted joints you can actually reach without dismantling the bed. Neither is usually in the product description, which is why we publish the assembled outside dimensions and the construction of every frame we sell rather than leaving you to guess.

See all bed frames, or read the UK bed size guide if you are still choosing a size.