Ultimate Guide to UK Mattress Sizes: Find Your Perfect Fit

UK Mattress Sizes

Choosing the right mattress size becomes a crucial first step when looking for the perfect sleeping experience. Whether you're looking for a super king size mattress to provide a luxurious experience for your sleep, or a single mattress to bring comfort to a small space, understanding mattress sizes in the UK will help you make the best choice. This guide will look at everything from small single mattresses to super king size mattresses, as well as memory foam mattresses, hybrid mattresses and more, to make sure you find the perfect mattress for your sleeping position. You'll be able to find the perfect mattress to suit your sleeping position.

1. Why choosing the right mattress size is important

Choosing the right size mattress is not just about the quality of your sleep, it's about the quality of your life. A properly sized mattress will give you enough room to change your sleeping position and reduce the number of times you wake up during the night, resulting in a deeper sleep. Whether it's a double mattress or a smaller small double mattress, choosing a mattress size that suits your bedroom dimensions and personal preferences is the first step to enjoying a quality night's sleep.

In the next section, we'll take a closer look at each mattress size and recommended usage scenarios so you can make an informed choice based on your individual needs.

2. Overview of mattress sizes in the UK

Small Single 2'6'' x 6'3'' 75 x 190cm
Single 3'0'' x 6'3'' 90 x 190 cm
Small Double (Queen) 4'0'' x 6'3'' 120 x 190cm
Double 4'6'' x 6'3'' 135 x 190cm
King Size 5'0'' x 6'6'' 150 x 200cm
Super King Size 6'0'' x 6'6'' 180 x 200cm

UK Mattress Sizes

Small Single Mattress

Measuring 75 x 190cm (30 x 75 inches), the Small Single Mattress is ideal for designing for small spaces or children's rooms. It provides enough space for children or a single adult to enjoy a comfortable night's sleep without taking up too much bedroom space.

Single Mattress

Measuring 90 x 190cm (35 x 75 inches) for a single adult, the Single Mattress offers the perfect solution for a bachelor pad or smaller bedroom. It provides enough space for the user to roll over freely and enjoy a quality night's sleep.

Small Double Mattress

Measuring 120 x 190cm (47 x 75 inches), the Small Double Mattress is a size between a single mattress and a standard double mattress. It offers an ideal option for those who want more sleeping space in a limited space.

Double Mattress

The Double Mattress measures 135 x 190cm (53 x 75 inches) and is one of the most common types of mattress in the UK. It provides plenty of space for couples to sleep comfortably, whilst also being suitable for singles looking for extra space.

King Size Mattresses

King size mattresses measure 150 x 200cm (59 x 79 inches) and offer more sleeping space than a standard double mattress. This size mattress is ideal for couples who want more room to stretch out, or for single users who prefer a spacious sleeping environment.

Super King Size Mattress

At 180 x 200cm (71 x 79 inches), the Super King Size Mattress is one of the largest standard mattress sizes on the market. Offering unrivalled space and comfort for those seeking the ultimate spacious and comfortable sleeping experience.

Continue to explore how different materials affect your sleep experience, including memory foam mattresses, hybrid mattresses, and gel memory foam mattresses, and learn how to choose the right mattress for your sleeping position.

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Next, we'll discuss in-depth how to choose the right mattress material for your sleeping habits to ensure you enjoy a comfortable, restorative night's sleep every night. Stay tuned to discover how to choose the best mattress in a box and a firm mattress to suit your individual needs.

3. How to choose the right mattress material for your sleeping habits

Memory Foam Mattress

Memory Foam Mattresses are known for their excellent pressure relief properties. This material moulds to your body's temperature and shape, providing unrivalled support and comfort. For those who prefer to sleep on their side or have painful joints, a memory foam mattress is an ideal choice as it helps to reduce pressure points, allowing the body to fully recover during the night.

Hybrid Mattress

Hybrid mattresses combine the support of a sprung mattress with the comfort of memory foam or gel memory foam to provide a sleep experience that is both resilient and well supported. This mattress is perfect for those who want the comfort of memory foam but don't want to give up the rebound of a sprung mattress. It is particularly suitable for heavier sleepers and those who need extra support.

Gel Memory Foam Mattress

The Gel Memory Foam Mattress adds gel particles to the memory foam and is designed to provide better temperature regulation. This mattress is ideal for sleepers who tend to overheat, as the gel helps to disperse heat and keep the sleeper cool and comfortable throughout the night.

Mattress in a Box

Mattress in a Box is popular for its ease of transport and installation process. Often made of memory foam, gel memory foam or a mix of materials, these mattresses offer an affordable and comfortable sleeping solution. Mattresses in a box are an ideal choice for people who live in limited space or who move frequently.

Firm Mattress

Firm mattresses offer maximum support for back and stomach sleepers. This mattress helps maintain the natural curve of the spine and reduces back pain. If you prefer to sleep on a harder surface, a firm mattress may be the best option.


Choosing the right mattress size and material is crucial to getting a quality night's sleep. By considering your sleeping habits, physical needs and personal preferences, you can find the best mattress for you and enjoy a comfortable night's sleep every night. Remember, investing in a good mattress is an investment in your health and well-being.

We hope this guide has helped you to better understand UK mattress sizes and the different mattress material options available. Whether you're looking for a new mattress or want to find out more about mattresses, always remember that choosing a mattress that's right for you is key to ensuring a good night's sleep.

Now that you're equipped with all the necessary information, it's time to choose the perfect mattress for you and your family. Don't forget that a good night's sleep starts with choosing the right mattress. Start your journey and enjoy every quiet night!


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Q1: What is the UK equivalent of a queen size bed?
A1: In the UK, the equivalent of a queen size bed is commonly referred to as a king size bed. The dimensions are 150 x 200 cm (59 x 79 inches).

Q2: Is a queen mattress bigger than a king in the UK?
A2: No, in the UK, a queen mattress (known as a king size) is smaller than a super king size mattress. The super king mattress measures 180 x 200 cm (71 x 79 inches).

Q3: Are bed sizes the same in the UK and the US?
A3: No, bed sizes are not the same in the UK and the US. For example, the UK king size is equivalent to the US queen size, and the UK super king size has no direct equivalent in the US standard sizes.

Q4: What is the best bed size in the UK?
A4: The best bed size depends on personal needs and room size. For individuals or couples seeking space, a king size bed (150 x 200 cm) is highly recommended. For those with more room, a super king size bed (180 x 200 cm) offers luxurious space.

Q5: What size is considered a double mattress in the UK?
A5: A double mattress in the UK measures 135 x 190 cm (53 x 75 inches), suitable for single individuals seeking extra space or couples.

Q6: How do I choose the right mattress size for my room?
A6: Measure your room dimensions and ensure there is enough space around the bed for movement. Consider the bed size that allows you to comfortably walk around and fit other necessary furniture.

Q7: Can UK mattress sizes fit European bed frames?
A7: UK mattress sizes may not always perfectly fit European bed frames due to slight differences in dimensions. It's advisable to check both mattress and bed frame sizes before purchasing.

Q8: What size mattress is suitable for a child transitioning from a cot?
A8: A small single mattress (75 x 190 cm) or single mattress (90 x 190 cm) is ideal for a child transitioning from a cot, providing sufficient space for growth.

Q9: Are there bespoke mattress sizes available in the UK?
A9: Yes, bespoke mattress sizes are available for those who require specific dimensions that are not met by standard sizes. Many manufacturers offer customisation options.

Q10: How important is mattress material in relation to size?
A10: Mattress material is crucial as it affects comfort, support, and durability. Regardless of size, choosing the right material, such as memory foam, hybrid, or gel memory foam, can significantly enhance sleep quality.

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