Bonnell Spring Mattress

Choosing the Right Bonnell Spring Mattress

A Bonnell spring is the original innerspring design — hourglass-shaped coils tied together into one connected support unit. It isn't trying to be the most advanced mattress in the room; it's trying to be a solid, breathable, dependable bed at the lowest sensible price. Knowing exactly what it does well, and where it doesn't, is the fastest way to tell whether it's the right call for your situation.

Who a Bonnell spring mattress suits best

• Guest rooms and occasional beds: a comfortable, supportive bed for visitors without spending on features that get used a few nights a year.
• Kids' and teens' rooms: firm, durable and inexpensive enough to replace as they grow.
• Budget-first buyers: the lowest entry point we stock — a genuine, brand-new mattress with a warranty, not a compromise on safety or build.
• Anyone who likes a firm, breathable bed: the connected coil gives even, firm support, and the open structure breathes exceptionally well — a real plus through a humid Brisbane or Gold Coast summer.

…and who might prefer a different type

The honest limitation of a connected-coil design is movement: because the coils are linked, one person turning over carries across the bed more than on an independent-coil mattress. If you share the bed and partner disturbance matters, a pocket spring (individually-wrapped coils) is worth the step up. And if you want contour and pressure relief rather than firm, flat support, look at memory foam. There's no point overspending on a Bonnell's strengths if those aren't what you need — or underspending if they are.

What a Bonnell spring does well

• Firm, even support: the connected coil holds the whole surface evenly — a flat, supportive feel that suits back and stomach sleepers and heavier loads.
• Excellent airflow: the open coil structure is the most breathable build we stock — heat and humidity move through it rather than building up, which counts in this climate.
• Simple and durable: a proven design with little to go wrong, which is part of why it's the most affordable mattress we carry.
• Brand-new with a warranty: the low price is the construction, not a catch — every Bonnell is a new mattress covered by a manufacturer's warranty.

Bonnell spring and Queensland heat

One genuine, no-asterisk advantage: of everything we stock, a Bonnell spring breathes best. There's no dense foam slab to trap heat — just an open coil structure air moves straight through. On a sticky South-East Queensland night that's a real, felt benefit, and it's a big part of why a simple innerspring still earns its place in this climate even against pricier constructions.

Firmness

Bonnell springs naturally sit in the medium-to-firm band — even, supportive, and not designed to deeply contour. Sleeping position is the best guide: back and stomach sleepers and heavier builds usually do well on firm; dedicated side sleepers wanting pressure relief may prefer a softer or contouring construction.

• MediumThe softer end of the Bonnell range — even support with a little give. See medium firm.
• FirmThe classic Bonnell feel — flat, even, supportive. Suits back and stomach sleepers and heavier builds. See our firm range.
• Extra firmMaximum, even support with minimal give. See extra firm.
• Softer feel?For plush or contouring comfort, a Bonnell isn't the right base — see soft & plush or memory foam.

Shop Bonnell spring by size

Bonnell spring is available across every size we stock. Once it's the right construction, choose your size — each size collection shows the options in it, with size-specific pricing:

• Single & king single — kids' rooms, guest rooms, teens and solo sleepers.
• Double — solo adults wanting room, or couples in a compact bedroom.
• Queen & king — the standard and premium couples sizes.
• Super king — the largest standard size for big master bedrooms.

Why buy your Bonnell spring mattress from A2Z

The A2Z Furniture is a family-run Australian business established in 2013. Even at the value end, trying a mattress before you buy matters — instead of guessing from a screen, you lie on the actual mattress first, across five South-East Queensland showrooms — Rocklea, Virginia, Bundall, North Ipswich and Beenleigh. Pick-up is available seven days a week, plus delivery free within 10 km* of our Rocklea warehouse on eligible items when you pay outright (not pay later). Every mattress carries a manufacturer's warranty (the period varies by model — check the product page) — see our warranty policy — and you can spread the cost interest-free with Afterpay, Zip, Klarna, Latitude Interest Free and PayPal Pay in 4. Verified customer reviews are shown on each product to help you compare. Prefer to talk it through? Call our team on 1300 781 990.

Bonnell Spring Mattress FAQs

Explore more

• All Mattresses
• Single
• King Single
• Double
• Queen
• King
• Super King
• Shop Pocket Spring
• Memory Foam
• Mattress in a Box