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King Single Mattress

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King Single Mattress: Spacious Comfort and Lasting Support for Every Australian Sleeper

Welcome to the King Single Mattress collection at During Days—Australia’s trusted destination for premium sleep solutions. Whether you’re upgrading your child’s bed, furnishing a guest room, or searching for a versatile mattress for a growing teen, our range of king single mattresses is designed to deliver the perfect blend of comfort, space, and value.

A king single mattress Australia is the largest of the standard single sizes, measuring approximately 107 cm wide by 203 cm long. This extra space makes it ideal for taller children, teenagers, solo adults, or guest rooms where you want to offer a little more luxury without taking up the space of a double bed. Our collection includes every style and sleep technology—from supportive innerspring and plush memory foam to hybrid mattresses and allergy-friendly options.

At During Days, we make it easy to buy king single mattress online with a wide selection of trusted brands, comfort levels, and price points. Whether you need a best king single mattress for everyday use or a value option for occasional guests, you’ll find the right fit for your home and your budget. Discover why Australians trust us for the best king single mattresses and a better night’s sleep.

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Why Shop with During Days?

When you choose During Days for your king single mattress, you’re choosing quality, value, and a seamless shopping experience from an Aussie-owned business that understands your needs.

  • Premium Selection: Our range features only the highest quality king single mattresses from trusted Australian and international brands. Every mattress is chosen for its comfort, durability, and advanced sleep technology.

  • Aussie-Owned & Operated: Our local team knows what Australian sleepers need, ensuring our king single mattresses Australia meet the highest standards for comfort and support.

  • Fast, Reliable Shipping: Enjoy prompt dispatch and Australia-wide delivery, so your new king single mattress arrives quickly and securely.

  • Expert Support: Our knowledgeable staff are always ready to help, whether you need advice on choosing the right memory foam king single mattress or tips for mattress care.

  • Secure Shopping: Shop confidently with secure checkout and privacy protection for your personal and payment information.

  • Customer Satisfaction: Thousands of happy customers trust During Days for their bedding upgrades and sleep essentials.

With During Days, you’re not just buying a king single mattress—you’re investing in better sleep, better mornings, and long-term value.

Shop by Budget

Finding the right king single mattress for your home is easy at During Days, no matter your budget. Our collection includes memory foam king single mattresses, innerspring king single mattresses, and hybrid king single mattresses at every price point.

Under $300

Perfect for budget-conscious shoppers, students, or guest rooms, this range includes affordable king single mattresses, basic innerspring king single mattresses, and value foam options. These mattresses are ideal for occasional use, kids’ rooms, or rental properties, delivering reliable comfort and easy setup.

$300–$700

Our mid-range selection features memory foam king single mattresses, hybrid king single mattresses, and advanced innerspring king single mattresses with enhanced support, pressure relief, and cooling features. These products are perfect for everyday use in family homes, teen bedrooms, or guest spaces.

$700 and Above

For those seeking luxury and innovation, explore our premium collection of designer king single mattresses, high-end memory foam king single mattresses, and advanced hybrid king single mattresses. Expect features like zoned support, gel-infused cooling, and plush Euro tops. These options are ideal for growing teens, solo adults, or anyone wanting a true sleep sanctuary.

No matter your budget, you’ll find the perfect king single mattress at During Days to suit your sleep style, space, and needs.

Best Use Cases

A king single mattress is a versatile choice, offering both space and comfort for a range of sleepers and settings. Here’s how our range of king single mattresses, including memory foam king single mattresses and hybrid king single mattresses, can transform your sleep:

  • Growing Kids & Teens: The extra length and width of a king single bed mattress make it the perfect upgrade for children outgrowing their single beds or for teenagers who need more room to stretch out.

  • Solo Adults: Enjoy a spacious, supportive sleep surface that’s ideal for single adults who want comfort without the footprint of a double or queen bed.

  • Guest Rooms: Impress your guests with a king single mattress Australia that combines comfort, support, and easy maintenance. Opt for a medium feel king single mattress to suit a variety of sleep preferences.

  • Small Apartments & Studios: Maximise your bedroom space with a compact king single mattress that fits smaller rooms without sacrificing comfort.

  • Holiday Homes & Rentals: Durable, easy-care innerspring king single mattresses or hybrid king single mattresses are ideal for high-traffic guest spaces and holiday homes.

Complete your sleep upgrade with a mattress topper for added plushness, or pair your new king single mattress with a supportive bed base and fresh bedding. For a full bedroom transformation, consider adding pillows, quilts, and bedroom furniture.

Related Categories

Double Mattress

Upgrade to a double mattress for couples, older teens, or guest rooms needing extra width and comfort.

King Size Mattress

Experience the ultimate in space and luxury with our king size mattresses, perfect for master bedrooms.

Mattress Toppers

Add an extra layer of comfort and protection with our premium mattress toppers, available in memory foam, latex, and plush quilted styles.

Queen Mattress

Discover our collection of queen mattresses—Australia’s favourite size for couples and master bedrooms.

Single Mattress

Shop our range of single mattresses for kids’ rooms, guest spaces, and compact bedrooms, with options for every comfort preference.

Trust & Satisfaction Guaranteed

Your satisfaction is our top priority at During Days. Every mattress is backed by our 14-day money-back guarantee, giving you peace of mind with every purchase. Enjoy fast, Australia-wide shipping and responsive customer support from our local team. Thousands of Australians trust us for quality, value, and service—experience the During Days difference today.

Ready to upgrade your sleep? Shop our collection of king single mattresses now and discover the perfect blend of comfort, support, and value—delivered fast, Australia-wide. With trusted Aussie service, secure checkout, and a satisfaction guarantee, there’s never been a better time to find the right king single mattress for your home. Sleep better and wake refreshed with During Days.

Frequently Asked Questions (FAQS)

What is the size of a king single mattress in Australia?

A standard king single mattress Australia measures approximately 107 cm wide by 203 cm long, making it the largest of the standard single sizes. This extra space is ideal for taller children, teenagers, and solo adults.

How does a king single mattress compare to a single or double mattress?

A king single mattress is both longer and wider than a single mattress (by about 14 cm in width and 13 cm in length) but is narrower than a double mattress. It’s perfect for those who want extra room without the footprint of a double bed.

Are king single mattresses suitable for adults?

Yes, the extra length and width of a king single mattress make it comfortable for most adults, especially in smaller bedrooms or apartments.

What types of king single mattresses are available at During Days?

We offer a wide range of king single mattresses, including memory foam king single mattresses, innerspring king single mattresses, hybrid king single mattresses, and allergy-friendly options.

How do I choose the best king single mattress for my needs?

Consider your sleep position, preferred firmness, and any specific needs like pressure relief or cooling. Memory foam king single mattresses offer contouring support, while innerspring king single mattresses provide bounce and breathability. Hybrid king single mattresses combine both benefits.

Are your king single mattresses hypoallergenic?

Many of our king single mattresses feature hypoallergenic materials and dust mite resistance, making them suitable for allergy sufferers. Check product descriptions for specific features.

How quickly will my king single mattress be delivered?

Most orders are dispatched within 2–3 business days, with delivery times depending on your location. You’ll receive tracking information once your order ships.

What is your returns policy?

We offer a 14-day money-back guarantee. If you’re not satisfied, contact our customer service team for return instructions. Items must be returned in original condition with all accessories.

Do your king single mattresses come with a warranty?

Yes, all our king single mattresses are backed by a manufacturer’s warranty. Details vary by product, so check the product description or contact us for more information.

Can I try the mattress before I buy?

While we don’t offer in-store trials, our detailed product descriptions, customer reviews, and risk-free returns policy make it easy to choose with confidence.

Are your mattresses suitable for all bed bases?

Yes, our king single mattresses are compatible with most standard bed bases, including slatted, platform, and ensemble bases. For best results, ensure your base is supportive and in good condition.

Do you offer delivery Australia-wide?

Yes, we deliver king single mattresses Australia wide, with fast, reliable shipping to metro and regional areas.

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