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A large single mattress offers more space than a standard single while still fitting comfortably into smaller bedrooms. At 3ft 6 wide, it provides extra room to move, making it ideal for adults, teenagers and guest rooms where a standard <strong>single mattress</strong> may feel too narrow.
At MattressTime, we stock a range of cheap mattresses designed to deliver comfort and support without high prices. Whether you are upgrading your current bed or furnishing a new room, our large single mattresses offer a practical balance of size and affordability.
Buy a cheap mattress today!. Each mattress is made to deliver the perfect balance of comfort, quality, and support. Ideal for solo adults who prefer a roomier feel or for use in guest and hospital-style beds, our 3ft 6 large single mattresses combine extra space with long-lasting performance.
Whether you choose firm orthopaedic support or the soft cushioning of memory foam, every mattress in our collection is designed to help you wake up refreshed.
1. More space to sleep comfortably
A large single size is six inches wider than a standard single, offering extra room to move without taking over your bedroom.
2. Ideal for adults and older teenagers
The 3ft6 large single mattress is great for solo sleepers who want additional comfort and freedom of movement — especially those who find a standard single too narrow.
3. A smart choice for guest rooms
If you have guests staying regularly, a 3ft 6 mattress ensures they sleep comfortably while still fitting neatly into smaller spaces.
4. Premium comfort and support
Choose from open coil, pocket sprung, or memory foam designs — all made with breathable fabrics and durable fillings for a perfect night’s rest.
5. Affordable quality
Our mattresses deliver outstanding comfort and quality at prices you can afford, with fast UK delivery available on all models.
A large single mattress measures 3ft 6" wide x 6ft 3" long (107cm x 190cm). It offers noticeably more width than a standard 3ft single, giving one person plenty of personal sleeping space without needing a full double bed.
This makes it ideal for spare rooms, adult single sleepers, or care environments where comfort and accessibility are essential.
Whatever your comfort preference, our collection includes a large single mattress for you:
Memory Foam: Gently adapts to your body’s shape and weight.
Pocket Sprung: Offers responsive, motion-isolating support.
Open Coil: Reliable everyday comfort at an affordable price.
Orthopaedic: Firm and supportive for better spinal alignment.
All 3ft 6 large single mattresses are made using quality materials for long-term use and comfort.
A large single mattress is the ideal middle ground between a standard single and a small double. It’s popular for solo adults, older teens, and care settings — anywhere comfort and practicality are equally important.
Each mattress is made for durability and comfort, ensuring you get a restful night’s sleep for years to come.
More sleeping space than a standard single
Perfect for adults, older teens, or guest beds
Available in a range of comfort levels and materials
Compatible with all 3ft 6 large single bed frames
Excellent quality and value for money
Fast, reliable UK delivery
Every mattress offers exceptional support, comfort, and craftsmanship — all at an affordable price.
A large single mattress (3ft6) is wider than a standard single mattress, giving extra sleeping space while still fitting comfortably in smaller bedrooms.
It’s a popular choice for adults, teenagers and guest rooms where a double bed may be too large.
When choosing a large single mattress, consider the level of support and comfort you prefer.
Different mattress types offer different sleeping experiences depending on how you sleep.
Memory foam mattresses provide pressure-relieving comfort and contour to the body. You can explore our range of Memory Foam Mattresses if you prefer a mattress that adapts to your sleeping position.
Pocket sprung mattresses use individual springs that respond independently to body weight, helping maintain balanced support across the mattress. Browse our Pocket Sprung Mattresses for supportive options.
If you are comparing mattress sizes, you may also wish to explore Small Single Mattresses, Single Mattresses , Small Double Mattresses or Double Mattresses, King Size Mattresses or Super King Size Mattresses to find the mattress size that best suits your bedroom space.
If you want to understand mattress dimensions in more detail, see this mattress size guide
What are the dimensions of a large single mattress?
A large single mattress measures 3ft 6" x 6ft 3" (107cm x 190cm) — ideal for solo sleepers who want more room to stretch out.
Is a large single mattress suitable for adults?
Yes, it’s perfect for single adults who find a 3ft mattress too narrow but don’t have space for a double.
Do large single mattresses fit standard UK bed frames?
Yes, they fit standard UK large single bed frames.
What types of large single mattresses are available?
We stock memory foam, orthopaedic, open coil, and pocket sprung models for every comfort level.
Do you deliver UK-wide?
Yes. All large single mattresses are available with fast UK delivery, including next-day options.
Sleep better with a 3ft 6 mattress designed for comfort, support, and space.
Browse our full collection today and find your perfect large single mattress, available in every comfort level, all with fast, reliable UK delivery at great prices.
A large single mattress measures 3ft 6 wide x 6ft 3 long (107cm x 190cm). It is wider than a standard single mattress, giving extra sleeping space while still being more compact than a double mattress.
If you are comparing options, you can also view small single mattresses or small double mattresses, or use our UK mattress sizes guide.
We offer a range of large single mattresses designed to suit different sleep preferences and comfort levels.
Choose from memory foam mattresses for pressure relief, pocket sprung mattresses for responsive support, or orthopaedic mattresses for firmer comfort.
We also offer open coil mattresses and latex mattresses for a variety of budgets and sleeping styles.
Our cheap large single mattresses are designed to provide everyday comfort at an affordable price. They are ideal for single adults, teenagers and guest rooms where a little extra space makes a big difference.
Each mattress is selected to deliver consistent support and long-lasting comfort, helping you get a better night’s sleep without overspending.
A large single mattress is a popular choice for solo sleepers who want more room to move. It offers a comfortable upgrade from a standard single while avoiding the need for a full double bed.
If you need even more space, you can also explore double mattresses or king size mattresses for a larger sleeping area.
We offer fast UK delivery across our range of mattresses, helping you get your new mattress quickly and without hassle.
View our next day delivery mattresses to find products available for rapid dispatch.
Explore our full range of cheap mattresses and find the right large single mattress for your needs.
Whether you are upgrading from a single mattress or choosing between sizes, MattressTime makes it easy to compare options and buy online.
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