A considered guide to mattress sizes, firmness, construction and care — written for Australian homes, and the way Australians actually sleep. Use it to narrow your choice before you spend, and to shop with confidence when you do.
Most buyers get stuck because they try to compare products before they have defined what they actually need. Work through these five decisions first, and the shortlist becomes obvious.
Specialist tip. Sleep is roughly a third of your life. Spread the price of a quality mattress across 8 years and the real cost per night is often less than a cup of coffee — yet it affects how you feel every day in between.
Australian bed sizes are standardised and differ from US and UK sizing. Before you fall in love with a mattress, measure your room, your doorway and any staircases or lifts the mattress needs to pass through. For a deeper breakdown, see our complete Australian bed sizes guide.
Children's rooms, small guest spaces and solo sleepers in compact bedrooms.
Taller teens, single adults and narrow rooms that need extra length.
Solo adults who like to stretch, or couples in smaller bedrooms.
Australia's most popular size and the default choice for most couples.
Couples who prefer room to move, or share the bed with children or pets.
A luxury-scale master bedroom. Check doorways and hallways before ordering.
As a rule of thumb, leave at least 60 cm of clearance on each side of the bed for movement and bedside furniture. A Queen fits comfortably in a room of about 3.2 × 3.4 m. For a King, aim for roughly 3.5 × 3.5 m or larger.
Both are 203 cm long, so the decision is almost always about width. A King gives each sleeper roughly the space of a King Single; a Queen is the same length but 30 cm narrower. If you share with a partner who moves during the night, or co-sleep with young children, the King is almost always the better long-term choice. If floor space is tight, a Queen is the most practical all-rounder.
Firmness is the single biggest driver of comfort — and the single biggest cause of regret. The industry uses a 1 to 10 scale, but the same number can feel very different depending on your body weight and preferred sleeping position.
Plush surface feel with noticeable contouring and pressure relief. Best for lighter sleepers and dedicated side sleepers who need their shoulders and hips to sink in for the spine to stay neutral.
A balanced feel with gentle give without deep contouring. Suits most average-weight side and combination sleepers, and is the safest all-rounder for couples with mixed preferences.
The most widely chosen range in Australia. Provides structured support with minimal sink — ideal for back sleepers, stomach sleepers, heavier sleepers and anyone prone to lower back discomfort.
Maximum support with a very solid surface feel. Suited to heavier sleepers who need uncompromising spinal support, or those who simply prefer sleeping "on" a mattress rather than "in" one.
Side sleepers carry most of their weight through the shoulders and hips, so they need enough give to keep the spine neutral — typically a Soft to Medium mattress. Back sleepers usually do best on the lower end of the Firm range, which supports the lumbar curve without letting the hips drop. Stomach sleepers need a Firm surface to prevent the midsection sinking and arching the lower back. Combination sleepers — most of us — generally land on Medium or a softer Firm as the most forgiving all-rounder.
Heavier sleepers compress a mattress further than lighter sleepers, which can make a Medium feel soft and a Firm feel medium. If you are above roughly 95 kg, consider stepping up one firmness level from the standard recommendation and looking for reinforced edges and denser support cores — the Extremely Firm tier is often the right home for heavier back and stomach sleepers.
Partners with different preferences? Look for a pocket spring or hybrid mattress with independent coils — it allows each side to respond to its own sleeper, which is why this style has become the default in Australian bedrooms.
Construction is where most of the price difference lives. Each type has a distinct feel, and none is universally "best" — the right one is the one that suits your body and how you sleep.
Hundreds of independently encased coils respond to pressure separately, giving zoned support and reducing partner disturbance. A popular Australian choice thanks to excellent airflow and longevity.
Best for: couples, warmer sleepers, back and side sleepers who want structured support.
Viscoelastic foam softens with body heat and moulds to your shape. Outstanding for pressure relief and motion isolation, though it can sleep warmer than spring constructions without cooling layers.
Best for: side sleepers, light-to-restless partners and anyone with joint or pressure pain.
Natural latex offers a buoyant, slightly springy feel with excellent breathability and a long lifespan. Typically the most durable option and naturally resistant to dust mites.
Best for: eco-minded buyers, hot sleepers and anyone prioritising long-term value.
A pocket spring core topped with memory foam or latex comfort layers. Hybrids pair structured support with pressure relief and are the fastest-growing category in Australia.
Best for: couples with different preferences, combination sleepers and guest rooms.
Traditional continuous coil construction. A reliable, budget-friendly option well suited to guest rooms, children's beds and short-term use.
Best for: guest beds, kids' rooms and value-focused buyers. Browse our Bonnell spring mattress range.
Modern foam and hybrid mattresses compressed and rolled for easy delivery. Ideal for apartments, upstairs bedrooms and quick turnarounds.
Best for: tight access, fast setup, and rental moves. Explore our mattress in a box range.
The base under your mattress matters as much as the mattress itself. The wrong base can void a warranty, shorten the mattress's life and create uncomfortable dips within months.
The most common modern choice. Look for slats spaced no more than 7–8 cm apart — wider gaps can cause sagging and may not be supported by the warranty, particularly on foam and latex mattresses. Our bed frame collection includes timber, fabric and metal options, all slat-rated.
A solid, fully-upholstered base that matches the mattress. Offers consistent support across the entire surface and is particularly well suited to pocket spring and pillow-top mattresses. Often supplied as part of a bed and mattress package.
A rigid, flat surface. Suitable for most foam, latex and hybrid mattresses. Confirm that the platform is breathable — fully solid surfaces can trap moisture over time, particularly in coastal Queensland homes.
Match the ecosystem. Replacing a worn mattress on a worn base rarely solves the problem. If your current base is more than 10 years old, include it in the upgrade — it's often the quiet reason the last mattress didn't last.
Mattress prices in Australia span an enormous range, but most quality Queen-size mattresses sit in the $500–$1000 bracket. Below that, construction quality usually drops noticeably. Above it, you begin paying for premium materials, hand-finishing and extended warranties.
| Budget (Queen) | What to expect | Typical lifespan |
|---|---|---|
| Under $300 | Entry-level foam or Bonnell spring. Best for guest rooms and short-term use. | 3–5 years |
| $300–$500 | Good-quality foam, basic pocket spring and hybrid options. A sensible everyday choice. | 5–8 years |
| $500–$800 | Premium pocket spring, quality hybrids and mid-range latex. The value sweet spot. | 8–10 years |
| $800+ | Luxury hand-finished mattresses, premium natural latex, advanced zoned support. | 10–15 years |
Spread across a realistic lifespan, a $1,800 mattress used for eight years costs about 62 cents per night. Viewed that way, a well-chosen mattress is one of the highest-return purchases in the home.
A handful of simple habits can add years to any mattress and protect your warranty.
Small print matters too: keep your original receipt and tags. Most Australian manufacturers require proof of purchase and a supporting base to honour warranty.
The Queen (153 × 203 cm) is the most popular mattress size in Australia and is used by the majority of Australian adults. It offers enough width for two sleepers while still fitting comfortably in most master bedrooms. If space allows and you share the bed full-time, the King (183 × 203 cm) is worth considering for the extra width.
A quality mattress typically lasts between 7 and 10 years. Signs it is time to replace include visible sagging or dips greater than 20 mm, waking with back or shoulder pain that eases through the day, increased allergy symptoms, and sleep that feels less restorative than it used to. Budget mattresses may need replacing closer to the 3–5 year mark.
Medium (around 5-7 on the 1–10 scale) is the most commonly recommended firmness for back pain, as it supports the natural curve of the spine without allowing the hips to sink too deeply. However, the right choice also depends on your sleep position and weight. Side sleepers with back pain often do better on a slightly softer surface, while stomach sleepers usually need firmer support.
Neither is universally better — they suit different sleepers. Memory foam excels at pressure relief, motion isolation and contouring, making it a strong choice for side sleepers and light-sleeping couples. Pocket spring offers superior airflow, edge support and a more responsive feel, which many Australians prefer in warmer climates. A hybrid combines both.
Both are 203 cm long. The difference is width: a Queen is 153 cm wide and a King is 183 cm wide — a 30 cm difference, equivalent to about a King Single of extra space. A King suits couples who want room to move or share the bed with children or pets; a Queen is the better all-round fit for standard Australian bedrooms.
Not always. Most modern mattresses require slats no more than 7–8 cm apart, and some foam and latex mattresses specify slat width to preserve the warranty. Solid platforms work for most foam and hybrid mattresses, while pocket spring mattresses often perform best on an ensemble or properly slatted base. Always confirm the base requirements with the manufacturer.
Most people need between two and four weeks to adjust to a new mattress, and some mattresses take up to 90 days to fully break in. During this period your body is adjusting as much as the mattress is settling. If significant discomfort persists beyond 30 nights of regular use, the firmness may not be right for you.
Modern mattress in a box products — particularly hybrids and quality foam builds — perform comparably to traditional mattresses and are easier to deliver, especially to apartments and upstairs rooms. Allow 24–72 hours for the mattress to fully expand after unboxing. See our boxed mattress range for options across every size.
Yes. A breathable mattress protector guards against perspiration, spills and dust mites, and it is often required to keep your manufacturer's warranty valid. Most Australian warranty claims that are declined fail because of staining, which a protector prevents entirely.
Yes, provided you have done your homework on size, firmness and construction — which is what this guide is for. Many reputable Australian retailers also offer in-home trials. If you prefer to feel the product first, our showrooms in Brisbane, Gold Coast and the Sunshine Coast carry a curated range, and our team is available on 1300 781 990 for one-to-one advice.
Now that you know what to look for, browse our curated Australian mattress range — including pocket spring, memory foam, latex and hybrid options across every standard size.
