Mattress Toppers for Double Beds

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Shop Affordable Mattress Toppers for Double Beds

A cheap double mattress topper is one of the most effective ways to refresh a bed without replacing the mattress. This collection covers a broad selection of styles and materials sized to suit Australian standard double beds, so you can shop knowing each topper will fit your mattress without overhang or gaps. Whether you are looking for added cushioning, a cooler sleep surface, or extra softness, there is a cheap double mattress topper here worth comparing. Browse our full range of mattress toppers across all sizes and fills, or explore our double mattresses if you are starting your setup from scratch. Orders are dispatched within 1-2 business days, with fast delivery across Australia.

Fill Types and Materials Worth Comparing

The material you choose for a double bed mattress topper has the greatest impact on how it changes the feel of your bed. Memory foam is the most popular option for shoppers who want contouring support, as it moulds to the body shape and is well suited to anyone who sleeps on their side. Gel memory foam follows the same principle but adds a cooling element, which helps manage warmth for those who tend to overheat during the night. Bamboo and bamboo-covered options prioritise breathability and a softer surface feel, making them a practical choice for year-round use. Latex sits at the more responsive end of the spectrum with a natural bounce that foam options do not offer, while feather and down toppers deliver a loftier, more traditional pillowtop feel. Egg crate foam is a lighter, more affordable option that adds some surface cushioning without significantly altering the base mattress feel. For a focused view on foam options, our memory foam mattress toppers covers that material in full, and pairing your topper with double mattress protectors is worth considering to keep the mattress surface beneath it clean.

Choosing the Right Thickness

Thickness is the other key variable to consider when choosing a mattress topper for a double bed. Options in the 5cm range add a noticeable comfort layer without substantially raising the overall bed height or altering the support profile of the mattress underneath. Thicker options in the 7-10cm range create a more significant change to how the bed feels, which suits shoppers whose current mattress is too firm or has softened unevenly over time. Keep in mind that a thicker topper will add height to the overall mattress profile, which affects how deep your fitted sheet needs to be to stay tucked. Always check the total height of your mattress plus the topper before ordering sheets. The right base also ensures the full setup performs correctly, so it is worth reviewing our double bed bases and double bed frames if your current setup needs attention.

Getting the Fit Right and Settling Your Topper

A mattress topper double bed fit comes down to matching the standard Australian double dimensions of 138 x 188cm at the surface, then confirming how the topper anchors in place. Most options use either elasticised corner straps or a fitted skirt design. Corner straps hold the topper flat on top of the mattress while anchoring underneath, which works well with lower-profile mattresses. Skirted designs wrap around the sides for a more secure hold, which is useful on thicker mattresses or when you move during sleep. Foam and latex toppers also benefit from a short settling period after unrolling, as they need time to fully expand and release any compression from packaging before you make the bed. Once your topper is in place, a deep-pocket set of double sheet sets will hold it securely and protect the surface, while double quilt covers finish off the top layer.

Setting Up the Rest of Your Double Bed

A mattress topper for a double bed works best as part of a complete layered setup. Starting with a solid base and a well-supported mattress, then adding a topper and a protector, creates a system where each layer has a clear purpose and can be washed and rotated independently. If you are refreshing your bedroom more broadly, our double bed linen covers fitted sheets, flat sheets, and pillowcases in Australian double sizing, and browsing our double quilts and doonas will help you find the right warmth level for the top layer. Getting the full setup consistent from the start reduces how often you need to buy replacements and makes stripping and remaking the bed considerably faster day to day.

Why Shop at Factory Buys

Factory Buys is rated highly on Trustpilot by Australian customers who value quality sleep products at an accessible price. Our double mattress toppers come backed by a 12-month warranty, and our customer support team is available 8am-8pm, 7 days a week if you need help with sizing, compatibility, or your order.

Which topper feel suits you: memory foam, gel, or bamboo?

Memory foam suits shoppers wanting more contouring and pressure relief, especially if a mattress feels too firm. Gel options are often chosen for a cooler feel while still adding cushioning. Bamboo styles can suit buyers prioritising a softer sleep surface and breathability. Check each listing to confirm materials, cover type, and any cooling notes.

What thickness should you choose to change firmness without sinking?

Thicker toppers usually make the biggest change to feel, but can add more sink and reduce a firmer, “on top” sensation. If you want to adjust comfort without losing support, compare thickness with the firmness notes on the product page and consider your sleep position. Back sleepers often prefer a lighter change than side sleepers.

How do you check straps or corners will fit a double mattress?

Factory Buys only stocks Australian sized mattresses and bedframes, so start by confirming you have an Australian double. Then check whether the topper uses corner straps, an elastic skirt, or a strapless design, and compare the listed strap length or skirt depth to your mattress height. If your mattress is deep, prioritise longer straps or deeper skirts.

Do toppers need time to expand, air out, and settle?

Many toppers benefit from time to settle after unpacking, particularly foam styles. Plan to unroll or lay the topper flat, let it expand, and allow fresh air through the room before making the bed. Use the product page for any specific guidance on expansion time or odour, and avoid compressing it until it feels fully shaped.

If sizing is wrong or damaged, what returns and warranty apply?

All orders are dispatched from our warehouse within 1 to 2 business days. Delivery typically takes 1 to 12 business days, depending on your location and the courier. All products include a 12 month warranty, and our Customer Support team is available 8 am to 8 pm, 7 days per week. If you need help at any stage, visit our Contact Us page and include your order number plus a short description so we can assist sooner.