Quick Answer: A double (full) platform bed frame measures 54" x 75" and supports the mattress without a box spring. Expect to pay $200 to $800 CAD for a quality double platform frame. Platform frames sit lower than traditional setups (typically 14 to 18 inches total with mattress), making them ideal for smaller bedrooms, guest rooms, and anyone who prefers a modern, low-profile look.
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Double Bed Dimensions in Canada
In Canada, "double" and "full" refer to the same mattress size: 54 inches wide by 75 inches long. This is 6 inches narrower and 5 inches shorter than a queen (60" x 80"). The difference sounds small on paper, but it changes how the bed fits in a room and how comfortably two people sleep on it.
| Size | Width | Length | Best For |
|---|---|---|---|
| Twin | 38" | 75" | Children, single adults (small rooms) |
| Twin XL | 38" | 80" | Tall single adults, dorms |
| Double / Full | 54" | 75" | Single adults, occasional couples, guest rooms |
| Queen | 60" | 80" | Couples, primary bedrooms |
| King | 76" | 80" | Couples who want space |
A double platform bed frame typically adds 2 to 4 inches on each side (for the frame rails), making the total footprint roughly 58" x 79". Plan for at least 24 inches of clearance on the walking side and 2 inches from the wall on the other side.
Why Choose a Platform Frame?
A platform bed supports the mattress directly on a flat surface (solid panel, slats, or metal grid). No box spring needed. This has several practical advantages:
Lower profile: Without a box spring adding 7 to 9 inches of height, a platform bed sits closer to the ground. Total height with a 10-inch mattress is typically 14 to 18 inches, compared to 22 to 28 inches with a traditional frame and box spring. This gives smaller bedrooms a less cluttered, more open feel.
Cost savings: Eliminating the box spring saves $150 to $400 CAD. That money can go toward a better mattress or a nicer frame.
Better mattress support: Closely spaced slats (3 inches apart or less) distribute weight more evenly than a box spring, which can develop soft spots over time. Foam and hybrid mattresses in particular perform better on platform bases.
Modern aesthetics: The clean lines and low silhouette of a platform bed suit contemporary bedroom design. This is the most common frame style in Canadian furniture stores right now.
Slat Spacing and Mattress Performance
Most mattress manufacturers recommend slat spacing of no more than 3 inches (76 mm) for foam mattresses. Wider gaps can cause the foam to sag between slats, creating uneven support and potentially voiding the mattress warranty. If your platform frame has slats spaced more than 3 inches apart, adding a bunkie board or plywood panel ($30 to $60 CAD) on top solves the problem.
Types of Double Platform Beds
Basic Slatted Platform
The simplest design: a frame with wooden or steel slats. No headboard, no frills. These start at $150 CAD and assemble in under 30 minutes. Good for guest rooms, rental units, or minimalist bedrooms.
Panel Platform
A solid panel (plywood or MDF) instead of slats. These provide completely even support but reduce airflow under the mattress. If you use a foam mattress on a solid panel, check for moisture occasionally, especially in humid Canadian summers.
Platform with Headboard
Adds a headboard (wood, upholstered, or metal) to the platform frame. This is the most popular configuration for primary bedrooms. Prices range from $300 to $800 CAD. Upholstered headboards are comfortable for reading in bed but harder to clean.
Floating Platform
The frame is recessed so the mattress appears to float above the floor. Visually striking, but harder to clean under and often more expensive ($500 to $1,200 CAD). The "floating" effect works best in larger bedrooms where the bed is the focal point.
Double Platform Beds with Storage
A double bed in a small room needs to earn its footprint. Storage platform beds do exactly that.
Drawer Storage
Built-in drawers on one or both sides. Most common configuration is 2 to 4 drawers. These work like a low dresser built into the bed frame. Drawer platforms typically cost $400 to $900 CAD. The trade-off: you need clearance beside the bed for the drawers to open fully (usually 18 to 24 inches).
Hydraulic Lift Storage
The entire mattress platform lifts up on gas struts, revealing a large storage compartment underneath. This gives you more total storage than drawers and does not require side clearance. Prices run $500 to $1,200 CAD. The mechanism adds weight (expect 80 to 120 lbs for the frame alone).
Open Under-Bed Storage
A taller platform frame (12 to 14 inches of clearance) with no built-in drawers, leaving the space open for bins, baskets, or rolling containers. This is the most flexible and affordable storage option. You choose the containers that fit your needs.
Storage Tip for Small Bedrooms
If your bedroom is under 120 square feet, a double platform bed with built-in drawers can replace a dresser entirely. Two drawers per side gives you 4 drawers total, which is enough for one person's clothing basics. This frees up 4 to 6 square feet of floor space where the dresser would have been, making the room feel noticeably more open.
Materials and What They Cost
| Material | Price Range (Double) | Durability | Weight | Best For |
|---|---|---|---|---|
| Engineered wood (MDF/particleboard) | $150 - $400 | 5 - 10 years | 40 - 70 lbs | Budget, guest rooms, rentals |
| Solid wood (pine, birch) | $300 - $600 | 15 - 25 years | 60 - 100 lbs | Primary bedrooms, long-term use |
| Solid hardwood (oak, maple, walnut) | $500 - $1,200 | 20 - 30+ years | 80 - 130 lbs | Heirloom quality, design-forward rooms |
| Steel | $150 - $400 | 15 - 20 years | 30 - 50 lbs | Budget, easy assembly, portability |
| Upholstered (fabric/faux leather) | $400 - $900 | 8 - 15 years | 60 - 100 lbs | Comfort, reading in bed, soft aesthetic |
For a double platform that will see daily use for years, solid wood in the $300 to $600 range offers the best balance of cost and longevity. Canadian-made options from manufacturers like Handstone or Sahara Furniture use local hardwoods and offer custom finishes. For more on frame materials, see our steel bed frame guide and bed frames with storage guide.
Who Actually Fits on a Double Bed?
Let us be honest about this. A double bed gives each partner 27 inches of width. That is narrower than a standard baby crib (28 inches). For two adults sleeping together every night, a double is tight.
Double Bed: Realistic Sizing Guide
- One adult: Very comfortable. 54 inches is plenty of room for a single sleeper of any size.
- One adult + pet: Works well, depending on pet size and sleeping habits.
- Two adults (occasional): Fine for guest rooms or weekends. You will be in close contact.
- Two adults (every night): Tight for most couples. Consider a queen if your room can fit it.
- Teenager: Excellent choice. More room than a twin, fits standard bedroom dimensions.
- Tall person (over 6'1"): The 75-inch length may be too short. Consider a queen (80 inches) or a custom-length frame.
Room Size Guidance
Many of the older homes in Brantford's Eagle Place and West Brant neighbourhoods have bedrooms that measure 10 x 10 or 10 x 12 feet. A double platform bed fits these rooms well, with enough clearance for a nightstand and a small dresser. A queen would leave minimal walkway space. If you are not sure which size works, bring your room dimensions to Mattress Miracle at 441 1/2 West Street and we can help you figure it out.
Buying Tips for Double Platform Beds
Measure twice: A double frame footprint is roughly 58" x 79" (including rails). Measure your room, doorways, and stairways before ordering. If the frame does not fit through the door, check if it can be assembled in the room.
Check the slat count: More slats mean better support. Look for frames with 12 to 20 slats on a double. Fewer than 10 slats can cause mattress sagging.
Weight capacity: Confirm the rated weight capacity includes the mattress weight. A platform rated at 500 lbs with a 70-lb mattress leaves 430 lbs for sleepers.
Noise test: If buying in store, press down on different points of the frame and listen for creaks. Solid wood and welded steel are quietest. Bolted connections on any material will develop noise over time.
Mattress compatibility: Memory foam and hybrid mattresses work on all platform types. Innerspring mattresses need a solid panel or closely spaced slats. Check your mattress warranty for foundation requirements.
Dorothy, Sleep Specialist at Mattress Miracle: "A double platform bed is our most recommended option for guest rooms. It fits comfortably in smaller spaces, the low profile makes the room feel bigger, and you save money by not needing a box spring. For a primary bedroom where two adults sleep, I always suggest trying a queen first to see if the extra 6 inches of width makes a difference for you."
Frequently Asked Questions
Is a double the same as a full bed in Canada?
Yes. "Double" and "full" refer to the same size: 54" x 75". Canadian retailers use both terms interchangeably. The mattress and frame dimensions are identical.
Can I use a double mattress on a queen platform frame?
No. A double mattress is 6 inches narrower and 5 inches shorter than a queen frame. It will shift around and leave gaps on all sides. Always match the mattress size to the frame size exactly.
Do I need a box spring with a double platform bed?
No. That is the main advantage of a platform bed. The slats or panel provide the support that a box spring normally would. Adding a box spring to a platform raises the bed unnecessarily and is not recommended by most manufacturers.
What is the best room size for a double platform bed?
A minimum of 10 x 10 feet works, but 10 x 12 feet is more comfortable. This leaves room for a nightstand and walking space on at least one side. Rooms under 100 square feet may feel crowded with a double, in which case a twin XL is the better choice.
Where can I try double platform beds in Brantford?
Mattress Miracle at 441 1/2 West Street has platform beds and mattresses you can try in person. Bring your room measurements and we will help find the right fit. Call (519) 770-0001.
Shop: Platform Beds at Mattress Miracle
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Bed frames at Mattress Miracle:
- Almonte Canadian Bed Frame
- Canadian Made Platform Bed
- Bridgewater Storage Bed Frame
- Hickory Ridge Platform Bed
Or bed frames in our Brantford showroom.
Visit Mattress Miracle in Brantford
Family-owned since 1987. Try platform beds, mattresses, and bedroom furniture in person with honest, no-pressure advice.
441 1/2 West Street, Brantford, Ontario
Call 519-770-0001Visit Our Brantford Showroom
We are located at 441½ West Street in downtown Brantford. Free parking available. Our team does not work on commission, so you get honest advice based on your needs.
Mattress Miracle , 441½ West Street, Brantford, ON · (519) 770-0001
Hours: Monday–Wednesday 10am–6pm, Thursday–Friday 10am–7pm, Saturday 10am–5pm, Sunday 12pm–4pm.