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A small double mattress is the ideal choice if you want more space than a single without moving up to a full double. At 4ft wide, it offers a practical balance between comfort and room size, making it perfect for smaller bedrooms, guest rooms and studio spaces.
<p>At MattressTime, we offer a wide range of cheap mattresses designed to suit different budgets and sleeping styles. Whether you are upgrading your bed or furnishing a new room, our small double mattresses provide comfort, support and value.
Each 4ft small double mattress in our range offers excellent comfort and durable support. Perfect for solo sleepers who like more room or couples who prefer a closer feel, our range of cheap mattresses make the most of your space while guaranteeing a restful night’s sleep.
From soft and supportive memory foam to firm orthopaedic designs, you’ll find the ideal small double bed mattress to match your comfort needs.
1. Ideal for compact rooms
The mattress size of 4ft wide by 6ft 3" long makes it the perfect fit for flats, guest rooms, or smaller master bedrooms.
2. Great for solo sleepers
A 4-foot mattress gives you extra space to stretch out compared to a single, offering a roomy feel without the size of a double.
3. Perfect for couples
If you don’t need a large bed, a 4ft small double bed mattress offers a comfortable fit for two — ideal for smaller spaces or occasional use.
4. Built for comfort and quality
Choose from pocket sprung, memory foam, orthopaedic, or hybrid options. Each mattress is made using high-quality materials designed for long-term comfort and support.
5. Great value with fast delivery
Our 4ft small double mattresses deliver premium comfort without the high price tag — available with quick, reliable UK delivery.
The small double mattress size in the UK measures 4ft x 6ft 3" (120cm x 190cm).
Also known as a “three-quarter” mattress, it’s wider than a single but smaller than a standard double — perfect for compact spaces where comfort still matters.
This size mattress provides excellent support and space for one, or a cosy night’s sleep for two.
We stock a full range of 4ft small double mattresses, including:
Memory Foam: Contours to your shape for personalised comfort.
Pocket Sprung: Offers tailored support and reduces partner disturbance.
Open Coil: Classic durability and great everyday value.
Orthopaedic: Firmer support to promote healthy posture and spinal alignment.
Every small double bed mattress is made to meet high standards of comfort, durability, and support
A 4ft mattress is one of the most versatile options available. It’s spacious enough for one and comfortable enough for two, making it a great choice for smaller homes, spare rooms, or guest spaces.
Each mattress is designed to deliver restful, supportive sleep — night after night.
Perfect size for smaller rooms or shared spaces
A small double mattress (4ft) offers more sleeping space than a single mattress while taking up less room than a standard double. It is a popular choice for smaller bedrooms, guest rooms and teenagers who want extra sleeping space without needing a full double bed.
Small double mattresses are available in a variety of comfort styles including memory foam, pocket sprung and orthopaedic designs, allowing you to choose the level of support and comfort that suits your sleeping preferences.
If you prefer pressure-relieving comfort, explore our Memory Foam Mattresses which contour to the shape of your body and help reduce pressure points.
For more structured support, many sleepers choose Pocket Sprung Mattresses which use individual springs that respond independently to body weight.
If you are comparing mattress sizes, you may also wish to explore Small Single Mattresses, Single Mattresses or Large Single Mattresses , 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 small double mattress?
It measures 4ft wide x 6ft 3" long (120cm x 190cm) — ideal for smaller bedrooms and guest rooms.
Can two people sleep on a small double mattress?
Yes. A 4 foot mattress fits two people for a cosy sleep.
What types of mattresses do you sell?
We stock memory foam, orthopaedic, pocket sprung, and open coil mattresses.
Are 4ft small double mattresses a standard UK size?
Yes, they’re one of the standard UK mattress sizes and fit all 4ft small double bed frames.
Do you deliver UK-wide?
Yes. All our mattresses are available for fast UK delivery, with next-day service if you order before 11 am.
Enjoy extra space and comfort with one of our high-quality 4ft small double mattresses.
Each mattress combines durability, comfort, and value, making it ideal for modern homes. Shop online today and find your perfect bed mattress, delivered straight to your door.
A small double mattress measures 4ft wide x 6ft 3 long (120cm x 190cm). It is wider than a single mattress but smaller than a double mattress, making it a great option where space is limited.
If you are comparing sizes, you can also explore small single mattresses or large single mattresses, or use our UK mattress sizes guide.
We stock a variety of small double mattresses designed to suit different comfort levels and support needs.
Choose from memory foam mattresses for pressure relief, pocket sprung mattresses for responsive support, or orthopaedic mattresses for a firmer feel.
We also offer open coil mattresses and latex mattresses for different budgets and preferences.
Our cheap small double mattresses are designed to provide everyday comfort at an affordable price. They are ideal for solo sleepers who want extra space or for occasional use in guest rooms.
Each mattress is selected to deliver consistent support and comfort, helping you get a good night’s sleep without unnecessary cost.
A small double mattress is a popular choice for smaller homes where space needs to be used efficiently. It provides more room than a single while still fitting comfortably into compact layouts.
If you need 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 options available for rapid dispatch.
Explore our full range of cheap mattresses and find the right small double mattress for your needs.
Whether you are upgrading from a single mattress or choosing between sizes, MattressTime makes it easy to compare and buy online.
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