- A plain metal bedstead
- A metal bunk for children
- A sofa bed or day bed with a metal mechanism
- An adjustable base with motors
Choose the construction, not just the metalwork
Most modern metal bedsteads use steel, often hollow tubing rather than solid bars. "Iron bed" can describe the traditional style rather than the actual material, while a brass or brass-effect finish does not necessarily mean solid brass. Aluminium frames are another option, but the metal's name alone tells you little about how well the finished bed is built. Look for a clear material specification, secure joints, properly supported slats and a stated weight limit that suits its intended use.
Check both the mattress size and the frame's outer dimensions. Standard UK mattresses are 90 x 190cm for a single, 120 x 190cm for a small double, 135 x 190cm for a double, 150 x 200cm for a king and 180 x 200cm for a super king. A projecting footboard or decorative headboard needs extra room. Check the under-bed clearance if you want storage, and match the slat spacing to your mattress maker's requirements.
For everyday care, follow the finish-specific instructions, wipe away dust with a soft cloth and avoid abrasive cleaners. Don't reach straight for the oil can when something squeaks: find the moving joint first, and use lubricant only where the maker permits it. Keep the spanner somewhere more accessible than your enthusiasm for maintenance.
A plain metal frame needs accessible joints and a well-supported base
Check for loose connections: a couple of Downton owners mention noise, a couple report troublesome Harvard headboard knobs, and some Westbrook owners report squeaks, including one who found tightening did nothing and another who still had metal-on-metal noise after oiling. Tighten accessible joints after the first fortnight, then every few months, following the assembly instructions. A Downton owner warns that the threads in the uprights can cross-thread during assembly, so never force a reluctant bolt. Stop using a frame with damaged joints or supports until they're repaired.
Slats are the second source of movement. The Harvard has sprung slats and a reinforced centre rail without an extra leg underneath. That leaves the floor beneath the middle clearer, although the rail connections still need correct assembly. Bensons says its rubber gaskets assist sound restriction for a noise-free metal bed. I wouldn't bank on permanent silence. The Downton offers solid or sprung slats, and a couple of owners describe the standard solid option as unusually soft and wavy. Westbrook has solid slats according to Dreams, plus a centre support leg mentioned by owners.
The smaller fittings matter too. A Downton owner found the foot-end finials fell off within months because their metal supports were thin. A Harvard owner needed precision alignment during assembly. Another received parts missing for clipping the middle slats. Several call it sturdy. A few Westbrook owners say the feet slide on laminate without grip, and a few struggled with misaligned holes. A spanner won't straighten a badly drilled hole, however determined your Sunday afternoon.
I lean towards Harvard for its reinforced centre support and sprung base. Bensons lists it in double through super king, in black, chrome or white. My other pick is the Downton, on sprung slats. Neither is a promise of silence, so avoid metal if a squeak wakes you.
A metal bunk shows its faults in the bars and the bolts
The Jade is my choice of metal bunk here: several owners describe a sturdy bed, while one reports some squeaking and another describes weak metal. It has metal slats, though a bullet on Dreams' listing says wooden. It separates into two singles, has a recommended 100kg weight limit and is recommended by Dreams for children aged six and over. One owner points out the ladder can go at either end. Dreams says it takes two people about an hour to build.
Saturn also has metal slats, a 100kg recommended limit and the same age recommendation, and separates into singles. A Saturn owner's base bars snapped away and a screw worked loose. Another, whose recommended mattress was too small and slid across, says the slats are metal despite the listing's wooden-slats line. Wren Bunk with Storage uses metal slats beneath a wooden bunk. Keep under-sixes off the top bunk, use a snug-fitting mattress within the bed maker's depth limit, and add no topper or extra padding. The children's beds guide carries the full rules.
A sofa bed or day bed can hide hard bars beneath the upholstery
I'd keep a metal sofa-bed mechanism for occasional guests. Across the Alexa sizes, owners describe a firm sleeping surface and several reach for toppers. A couple can feel the bars through the mattress. The velvet Alexa Double Sofa Bed looks softer than those reports sound. A single owner's son calls it "the tombstone".
Owners describe Alexa's fold-out metal frame, and Bensons' listing says its support legs unzip and fold out. The listing also specifies walnut-effect wooden legs. Those and the folding supports should be intact before anyone sleeps on it. A couple of Alexa double owners report stiff or stuck mechanisms. A small-double owner had springs break within weeks, and another owner received a cracked leg. A couple also find it low to the ground. Eleanor's hairpin legs and click-clack conversion offer a simpler arrangement, with conversion in seconds, but one owner finds it firm as a bed and a couple call it uncomfortable. An Eleanor owner found the cushions never plumped up, and another found they quickly lost shape. One reports the plastic beneath the legs coming away and scratching the floor.
The Kylie day bed has powder-coated metal, solid slats and a pull-out for two singles. A couple of owners report bent or snapped thin support tubes, including damage during a child's first sleepover. One struggled to pull it out on carpet, another found it stiff, and another found assembly fiddly. A happy owner bought it for a child who loves sleepovers. I wouldn't use it as a regular bed.
No amount of tightening fixes a bent tube, a broken spring or a jammed mechanism. Keep these beds for guests with a departure date, and compare mechanisms in the sofa beds selection.
An adjustable base can leave your mattress wandering
Mattress movement and electronics are the main concerns with these platforms. The Sleepmotion 200i, 400i and split 200 u&i, plus Ergomotion Smart and Elite, state a 355kg limit including the mattress. The Sleepmotions offer 33cm or 42cm frame heights. On the 200i, one owner repeatedly pushes the mattress back after it moves sideways, and several 200 u&i owners report mattresses drifting apart. With the Ergomotion Smart, one owner found mattress thickness caused trouble for the sensor. Another reports slow app syncing. I'd only spend adjustable-bed money on functions you'll use, so use the adjustable bases guide to match them.
Metal also appears inside storage beds: TheraPur's Shallow Ottoman divan has metal legs, Enzo has pewter-tone legs, and Furniture Village's Shivas have sprung beech slats in metal frames. An Enzo owner's base board collapsed, a couple report colour mismatches and a couple describe alignment trouble. A Shiva Electric owner stopped frame-to-support knocking with felt pads and also found missing internal staples.