King Single Bed Mattresses
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Zaria 34cm Thick Plush Euro Top Pocket Spring Mattress - King Single
Rated 4.9 out of 5 stars21RRP $371.99(Was $334.70)Regular price $285.97Sale price Now $285.97Regular priceSave $86!
(Was $334.70)Unit price perSave $86!
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Millie 28cm 7 Zone Pocket Spring Foam Extra Firm Euro Top Mattress - King Single
Rated 5.0 out of 5 stars1RRP $431.99(Was $371.71)Regular price $268.96Sale price Now $268.96Regular priceSave $163!
(Was $371.71)Unit price perSave $163!
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Daytona 22cm Thick Pocket Spring Mattress - King Single
Rated 4.6 out of 5 stars9RRP $332.39(Was $305.64)Regular price $221.32Sale price Now $221.32Regular priceSave $111!
(Was $305.64)Unit price perSave $111!
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Russell 16cm Thick Spring Mattress - King Single
Rated 5.0 out of 5 stars7RRP $251.99(Was $204.31)Regular price $156.91Sale price Now $156.91Regular priceSave $95!
(Was $204.31)Unit price perSave $95!
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Boxer 34cm Thick Euro Top Pocket Spring Mattress - King Single
Rated 4.9 out of 5 stars26RRP $399.59(Was $376.08)Regular price $273.01Sale price Now $273.01Regular priceSave $127!
(Was $376.08)Unit price perSave $127!
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Elmira 30cm Thick Tight Top Pocket Spring Mattress - King Single
Rated 4.9 out of 5 stars11RRP $351.59(Was $323.90)Regular price $242.44Sale price Now $242.44Regular priceSave $109!
(Was $323.90)Unit price perSave $109!
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Clement 13cm Tight Top Bonnell Spring Mattress Medium Firm - King Single
Rated 4.5 out of 5 stars2RRP $225.59(Was $198.66)Regular price $155.67Sale price Now $155.67Regular priceSave $70!
(Was $198.66)Unit price perSave $70!
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Brooklyn 21cm Thick Pocket Spring Mattress - King Single
Rated 5.0 out of 5 stars5RRP $272.39(Was $263.32)Regular price $189.55Sale price Now $189.55Regular priceSave $83!
(Was $263.32)Unit price perSave $83!
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Siena 21cm Thick Euro Top Spring Mattress - King Single
Rated 4.8 out of 5 stars12RRP $251.99(Was $259.96)Regular price $202.54Sale price Now $202.54Regular priceSave $49!
(Was $259.96)Unit price perSave $49!
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Apex 16cm Thick Premium Knitted Fabric Spring Mattress - King Single
Rated 4.8 out of 5 stars12RRP $219.59(Was $187.97)Regular price $173.11Sale price Now $173.11Regular priceSave $46!
(Was $187.97)Unit price perSave $46!
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Alva 36cm Thick Euro Top Cool Gel Pocket Spring Mattress - King Single
Rated 5.0 out of 5 stars9RRP $539.99(Was $437.66)Regular price $323.56Sale price Now $323.56Regular priceSave $216!
(Was $437.66)Unit price perSave $216!
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Factory Buys 32cm Euro Top Mattress - King Single
Rated 5.0 out of 5 stars10RRP $500.39(Was $356.91)Regular price $263.09Sale price Now $263.09Regular priceSave $237!
(Was $356.91)Unit price perSave $237!
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Akira 25cm Memory Foam Mattress Cool Gel Non Spring - King Single
Rated 5.0 out of 5 stars1RRP $399.59(Was $461.63)Regular price $316.66Sale price Now $316.66Regular priceSave $83!
(Was $461.63)Unit price perSave $83!
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Chelsea 34cm 9-Zone Pocket Spring Latex Foam Medium Firm Euro Top Mattress - King Single
Rated 4.8 out of 5 stars5RRP $392.39(Was $357.32)Regular price $269.89Sale price Now $269.89Regular priceSave $123!
(Was $357.32)Unit price perSave $123!
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Azura 30cm Cool Gel Foam - King Single
RRP $419.99(Was $323.66)Regular price $265.57Sale price Now $265.57Regular priceSave $154!
(Was $323.66)Unit price perSave $154!
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Corwin 16cm Tight Top Bonnell Spring Mattress - King Single
RRP $219.59(Was $209.38)Regular price $140.79Sale price Now $140.79Regular priceSave $79!
(Was $209.38)Unit price perSave $79!
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Remy 25cm Mattress Cool Gel Foam - King Single
Rated 4.5 out of 5 stars2RRP $351.59(Was $305.83)Regular price $219.67Sale price Now $219.67Regular priceSave $132!
(Was $305.83)Unit price perSave $132!
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Mireya 22cm Thick Euro Top Pocket Spring Mattress - King Single
RRP $339.59(Was $238.82)Regular price $179.66Sale price Now $179.66Regular priceSave $160!
(Was $238.82)Unit price perSave $160!
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Shain 13cm Mattress Tight Top - King Single
Rated 5.0 out of 5 stars1RRP $191.99(Was $209.26)Regular price $170.29Sale price Now $170.29Regular priceSave $22!
(Was $209.26)Unit price perSave $22!
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Provo 16cm Premium Top Spring Foam Medium Soft Mattress - King Single
RRP $244.79(Was $263.69)Regular price $194.80Sale price Now $194.80Regular priceSave $50!
(Was $263.69)Unit price perSave $50!
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Renzo 25cm Cooling Mattress 5 Zone 25cm King Single
RRP $629.99(Was $388.89)Regular price $279.55Sale price Now $279.55Regular priceSave $350!
(Was $388.89)Unit price perSave $350!
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Rio 21cm Thick Pillow Top Spring Mattress - King Single
Rated 4.2 out of 5 stars10RRP $293.99(Was $260.80)Regular price $239.68Sale price Now $239.68Regular priceSave $54!
(Was $260.80)Unit price perSave $54!
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Zaire 24cm Thick Pillow Top Spring Mattress - King Single
Rated 4.8 out of 5 stars16RRP $305.99(Was $261.61)Regular price $226.69Sale price Now $226.69Regular priceSave $79!
(Was $261.61)Unit price perSave $79!
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Eden 18cm Mattress Pillow Top - King Single
RRP $285.59(Was $269.05)Regular price $204.11Sale price Now $204.11Regular priceSave $81!
(Was $269.05)Unit price perSave $81!
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Nicola 35cm Spring Mattress Bamboo Euro Top Pocket HD Egg Foam - King Single
RRP $460.79(Was $460.37)Regular price $349.61Sale price Now $349.61Regular priceSave $111!
(Was $460.37)Unit price perSave $111!
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Verona 25cm Top Pocket Spring Medium Firm Premium Foam Mattress - King Single
Rated 4.7 out of 5 stars3RRP $569.99(Was $324.16)Regular price $254.45Sale price Now $254.45Regular priceSave $316!
(Was $324.16)Unit price perSave $316!
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Aster 34cm Latex Hybrid 5-Zone Pocket Spring Mattress - King Single
RRP $581.99(Was $406.19)Regular price $289.33Sale price Now $289.33Regular priceSave $293!
(Was $406.19)Unit price perSave $293!
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Darien 20cm 5-Zoned Pocket Spring Mattress - King Single
Rated 5.0 out of 5 stars2RRP $320.39(Was $319.89)Regular price $224.05Sale price Now $224.05Regular priceSave $96!
(Was $319.89)Unit price perSave $96!
Sale
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Shop Affordable King Single Bed Mattresses
Find a cheap king single mattress from Factory Buys with free delivery on every order. Larger than a standard single but a practical alternative to a double, the king single is a smart choice for growing children, teenagers, guest rooms, and anyone who needs more stretch-out space without the footprint of a larger bed. The range covers pocket spring, memory foam, euro top, gel foam, and latex hybrid builds, so there is a comfort level to match every type of sleeper. Every cheap king single mattress ships free to your door, and choosing a matching king single bed frame or king single bed base at the same time takes the guesswork out of sizing compatibility.
Who Is a King Single Mattress Right For
The king single mattress sits at 107cm x 203cm, placing it between a standard single and a double and making it one of the most practical sizes for growing children, teenagers, and single adults who want more room without upgrading to a larger bed size. It works especially well in guest rooms and secondary bedrooms where floor space is limited. Before ordering, check the product page to confirm the exact mattress height, particularly if you are pairing it with an existing base or frame. For shoppers building a new bedroom from scratch, king single bedroom packages combine the key pieces in one purchase, while king single bedroom suites bring in coordinated storage and bedside furniture for a complete setup.
Choosing the Right King Single Mattress Type
The range covers several build types suited to different sleep preferences, and it is worth comparing the construction details rather than just the price. Shoppers who prefer a spring-based feel will find pocket spring mattresses in a range of zone configurations and thickness levels, offering solid support with good motion isolation between sleep zones. Those prioritising pressure relief or a contouring feel tend to gravitate toward memory foam mattresses, particularly in medium or plush firmness ratings. Gel foam and latex hybrid builds are worth considering for temperature-sensitive sleepers, as both are designed to manage heat retention better than standard foam. Check the firmness rating, construction type, and mattress thickness on each product listing before deciding, as these details make a bigger difference to long-term sleep quality than the top style or sale badge.
Protecting Your Mattress and Adjusting the Feel
A king single mattress protector is one of the easiest ways to extend the life of a new mattress, guarding against moisture, dust mites, and everyday wear. It is particularly worth adding for mattresses in kids' rooms or guest setups that may not be in daily use. For those who want to soften or add support to the surface feel without replacing the whole mattress, a king single mattress topper sits on top and adjusts the comfort layer to suit your preference. Both accessories fit the king single size exactly and are simple to add to an existing setup.
Completing the King Single Bedroom
With the mattress sorted, size-matched bedding keeps the whole setup functional and well-fitted. King single sheet sets are cut to the exact dimensions, so there is no loose fabric or bunching around the corners. Pairing sheets with king single bed linen and a king single quilt cover in the same size means everything fits from the first use and stays that way through regular washing. Keeping sizes consistent across all bedding layers makes day-to-day management straightforward and extends the working life of each piece.
Why Shop at Factory Buys
Factory Buys is rated highly by verified customers on Trustpilot for value, quality, and reliable delivery. All king single mattresses come with a 12-month warranty, and the customer support team is available from 8am to 8pm, 7 days a week if anything comes up after your order arrives.
Which king single mattress is likely to suit who will be sleeping on it?
A king single mattress is a practical option when you want more room than a single without taking up as much space as a larger bed. The best choice depends on whether the mattress is for a growing child, a teenager, a guest room, or one sleeper who wants a bit more stretch-out space. It also helps to compare whether you prefer a softer feel, a firmer feel, or something more balanced for everyday comfort.
What should you check to make sure a king single mattress fits properly?
Start by matching the mattress to the correct bed size, then confirm the product page for the exact dimensions before ordering. Factory Buys uses Australian sizes, so choosing a king single mattress that matches your bed base or bed frame is the right first step. If you use a protector, topper, or fitted sheets, it is also worth checking the mattress height so everything fits properly.
Which details are most useful to compare between king single mattress listings?
The most useful differences are usually the feel, the overall construction, and the top style rather than the colour or the sale badge. Our range includes options such as euro top, tight top, pillow top, spring, foam, cooling, and pocket spring styles, so it helps to compare which build sounds most suited to your sleep preference. If edge support, temperature feel, or motion control matters to you, confirm those details on the listing before buying.
What should you keep in mind for everyday comfort, care, and living with a king single mattress?
The right mattress should feel practical for nightly use, not just appealing in the product name. Think about the sleep feel you want, how much cushioning suits you, and whether a lower or thicker profile will work better with your bedding setup. Free shipping applies to all mattresses Australia-wide with no exceptions, and before buying, it is worth checking the care guidance so rotating, protecting, and maintaining the mattress feels manageable over time.
What should you do if your king single mattress arrives damaged, incomplete, delayed, or not quite right?
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.




























