The mattress fits the bed frame. The bed frame fits the room. So everything is fine, until the delivery team calls from the void deck to say the mattress cannot turn the corner into your bedroom. Most delivery surprises happen not because someone chose the wrong size, but because nobody measured the path from the lift lobby to the bedroom door. Here is exactly what to measure, in the right order, before you confirm your order.
Quick answer: Measure your bed frame first (a frame adds roughly 10-15 cm around the mattress on each side), then trace the entire delivery path (main door, corridor, any bend, and bedroom door) because a standard Queen mattress at 152 x 190 cm can pass through an 80 cm door on its side but may not clear a tight L-shaped turn in a narrow HDB corridor.
Stage 1: Know Your Mattress and Bed Frame Numbers
Singapore standard mattress sizes
Before you touch a tape measure, confirm the size you are ordering against Singapore's standard dimensions. A Single is 91 x 190 cm. A Super Single is 107 x 190 cm. A Queen is 152 x 190 cm. A King is 182 x 190 cm, and the length on some models runs to 198 cm, worth checking on the product listing before you order.
These are mattress dimensions. Your bed frame will typically add around 10-15 cm on each side and at each end, so a Queen mattress sitting in a Queen frame occupies closer to 170-180 cm in width and roughly 205-220 cm in length. Measure your existing frame, or check the frame's listed dimensions, not just the mattress size.
Thickness and how it affects the path
A thicker mattress is heavier and less flexible. A slim 15 cm foam mattress can be rolled or stood upright in a lift with relative ease. A 30 cm hybrid or latex mattress is rigid, dense, and needs to travel mostly flat or at a careful angle. Confirm the mattress's listed height before delivery day, because this determines how much vertical clearance matters in a lift and whether a rolled delivery is even an option.
Browse the full mattress range to compare sizes and thickness specs side by side before you commit.
- Note the mattress dimensions from the listing (L x W x H).
- Note whether it is delivered rolled, folded, or flat, the listing or the brand page usually states this.
- Record your bed frame's outer dimensions, not just the mattress size it takes.
Stage 2: Measure the Entire Delivery Path
This is the stage most people skip, and it is the one that causes almost every delivery problem. Walk the full route from the main entrance of your building to the bedroom door, tape measure in hand.
The main entrance and lift
A typical HDB main door leaf is approximately 0.9 m wide. That sounds generous until you account for the door frame surround and any furniture already in the entryway. Measure the clear opening, not the door leaf.
The lift is frequently the binding constraint. Many HDB lift door openings are around 0.8 m wide, and the car interior depth varies considerably by block age and model. A Queen mattress at 152 cm wide cannot pass through a 0.8 m door face-on. It will travel upright on its side (190 cm tall, 152 cm long in profile), which means you need the lift car to be at least 160 cm deep to close the doors behind it, or the delivery team will need to carry it up the staircase. Check this before ordering a King mattress for a high-floor HDB unit.
Corridors and bends
A straight corridor is rarely the problem. The problem is the 90-degree turn from a corridor into a bedroom. Here is what most guides leave out: even if each individual opening is wide enough, a mattress being manoeuvred around a bend needs extra diagonal clearance. A 190 cm mattress being turned into a doorway sweeps a much longer arc than its listed width suggests. Measure the usable corridor width at the turning point and the bedroom door width together, you want at least 90-100 cm of clear corridor width at the bend to manage the rotation comfortably.
Bedroom door and internal clearances
Internal and bedroom doors in HDB flats are typically around 0.8 m wide. The door frame itself takes a few centimetres off each side. Measure the actual clear opening width and height. Height matters if you plan to stand the mattress upright to navigate a tight entry.
- Measure main door clear opening (width and height).
- Measure lift door opening and lift car interior depth and width.
- Measure corridor width at every turning point.
- Measure bedroom door clear opening (width and height).
- Note any fixed obstacles: shoe cabinets in the entrance, wardrobes near the bedroom door, aircon ledges.
If you are ordering a queen size mattress, the delivery path check above is worth thirty minutes of your time. A missed measurement costs significantly more to fix on delivery day.
Stage 3: Confirm the Mattress Fits Comfortably in the Room
Clearance around the bed
A mattress that fits through the door and onto the frame still needs the room to work as a bedroom. The rule of thumb: allow at least 60 cm of clear floor on each side of the bed for comfortable movement, and at least 70 cm at the foot. In a 3-room HDB bedroom of roughly 60-65 sqm total flat area, the bedroom itself may be tight, and a King mattress (182 cm wide in frame terms, roughly 190-200 cm) can crowd a room that is only 2.8-3 m wide once the frame is in.
Tape out the bed frame dimensions on your floor before the delivery arrives. Use masking tape or a few sheets of newspaper to mark the footprint. Walk around it. Open the wardrobe door. You will know immediately whether the plan works.
Super Singles in shared or secondary rooms
For a teenager's room, a helper's room, or a secondary bedroom that doubles as a study, a Super Single at 107 x 190 cm often makes far more sense than squeezing in a Queen. The 45 cm difference in width adds around 45 cm of floor space, which, in a smaller room, is the difference between being able to open a wardrobe door fully and not. Super single mattresses are also easier to navigate through older HDB corridors and lifts.
Check the bed frame's leg or slat height
If you are using a storage bed or a platform frame with a low profile, confirm the total height from floor to the top sleeping surface: mattress thickness plus frame height. For a divan or under-bed storage drawer to open, the foot-of-bed clearance needs to allow the drawer to pull out fully, often 50-60 cm minimum in front of the frame.
- Tape out the bed frame footprint on the floor before delivery day.
- Confirm 60 cm clearance on each side and 70 cm at the foot.
- Check wardrobe and door swing clearances within the taped footprint.
- If the frame has storage drawers, verify sufficient open space in front.
If You Only Do Three Things
If the checklist above feels like a lot before a delivery, at minimum do these three:
- Measure your bedroom door clear opening (width and height) and compare it to the mattress dimensions. A mattress that cannot enter the room solves nothing else.
- Check your lift opening width and car depth. For anything Queen or larger, this is the most common point of failure in HDB buildings, especially older blocks where lifts are narrower.
- Tape the bed frame footprint on your floor. Walk around it before the delivery arrives. Thirty minutes now prevents a full redelivery arrangement later.
For those looking at the in-house Somnuz range (which covers a growing number of sizes and feels) the Somnuz mattress collection lists dimensions and delivery format clearly, which makes the path-check above straightforward to run before you order.
Frequently Asked Questions
What is the most common reason a mattress cannot be delivered to an HDB bedroom?
The lift is usually the binding constraint, not the bedroom door. Many HDB lift door openings are around 0.8 m wide, which means a Queen or King mattress must travel upright on its side. If the lift car is too shallow to close the doors once the mattress is inside, the team must carry it up the stairs. Always measure the lift opening and car depth before ordering a larger size.
Can a rolled or compressed mattress bypass the path problem?
Sometimes. Foam and some hybrid mattresses are delivered rolled and vacuum-compressed, which makes them far easier to transport through lifts and tight turns. However, thicker or denser mattresses, particularly latex or high-coil-count spring models, are usually delivered flat. Check the listed delivery format for your specific mattress before assuming it will arrive rolled.
How much floor clearance do I really need around a mattress in a Singapore bedroom?
A reliable rule of thumb is 60 cm on each accessible side and 70 cm at the foot of the bed. In practice, many HDB bedrooms are tight, so prioritise the side you get out of bed from. A 45 cm clearance on one side is workable; less than that and daily movement becomes awkward, especially for older residents or anyone with mobility needs.
Does mattress thickness affect which size I should order?
Thickness affects the delivery path more than the size choice. A thicker mattress is heavier and rigid, which means it requires more manoeuvring room in corridors and lifts. It also affects the total sleeping height from the floor. For bunk beds or low platform frames, confirm that the mattress height plus frame height does not push the upper sleeping surface uncomfortably close to the ceiling or the bunk above.
I am choosing between a Queen and a King, which size fits most Singapore bedrooms?
A Queen at 152 x 190 cm fits comfortably in most 4-room or 5-room HDB master bedrooms while leaving adequate clearance on both sides. A King at 182 x 190 cm suits larger master bedrooms, typically in 5-room, executive, or condo units, where the room is wide enough to allow 60 cm on each side once the frame is in. Tape out both footprints before deciding.
The Right Mattress Starts with the Right Measurements
The size printed on the listing is only one number. The path from the lobby to your bedroom involves at least four more: main door, lift opening, corridor at the turning bend, and bedroom door. Run the checklist in sequence, tape the footprint on your floor, and the delivery day becomes straightforward rather than stressful.
Ready to choose? Browse the full mattress range with Singapore delivery and professional assembly included on qualifying orders, or visit the Megafurniture Prestige showroom at 134 Joo Seng Road to lie on the options before you decide. With 4.81 stars across more than 4,700 Google reviews, the team has handled enough deliveries across HDB flats and condos to help you catch any path issue before it becomes one.
Megafurniture has been bringing mattress production in-house in stages, with a growing share of the Somnuz range now designed, built and quality-checked at the owned factories in Batu Pahat and Foshan. Delivery and after-sales are handled locally in Singapore, which means one line of responsibility from the factory floor to your bedroom frame.