Mattress Sizes In The UK: How Big Are Beds In The UK

Are Bed Sizes Different In The Uk?

When it comes to buying a new mattress, choosing the right size is an important decision. Apart from thinking about the material and type of mattress you want, it’s also important to choose a mattress that suits the space you have available.

The UK has 7 standard mattress sizes. The smallest is the single-size mattress, while the largest is the super king-size mattress.

The sizes of Mattresses in the UK and USA are different. Most people do not find out until they visit a shop and cannot find a mattress that suits their needs. This guide answers what exactly the difference is. It will also discuss the most common sizes used in each country and how to measure your bed accurately so you can order any spare parts like slats, base, or mattress foundations.

Mattress Sizes In The UK [Size & Dimensions For Newbies]

The sizes of mattresses and beds in the UK are slightly different than those in other countries. It’s important to know the differences so that you can avoid buying a bed or mattress that is too small.


Here’s a detailed list of the standard mattress sizes in the UK.

Bed & Mattress SizesDimensions In InchesDimensions In CentimeterPrice
Small Single Mattress Sizes In The UK2’ 6” x 6’3”80 x 190 cm£100-£300
Single Mattress Sizes In The UK3′ x 6’3″90 x 190 cm£100-£300
Small Double Mattress Sizes In The UK4″ x 6’3120 x 190 cm£200-£500
Double Mattress Sizes In The UK4’6″ x 6’3″135 x 190 cm£250-£600
Continental Double Mattress Sizes In The UK4’7” x 6’6”140 x 200 cm£300-£700
King Mattress Sizes In The UK5′ x 6’6″150 x 200 cm£300-£700
Continental King Mattress Sizes In The UK5’3″ x 6’6″160 x 200 cm£400-£900
Extra King Mattress Sizes In The UK6’0 x 6’3180 x 190 cm£400-£900
Super King Mattress Sizes In The UK6′ x 6’6″180 x 200 cm£500-£1100

Mattress sizes in the UK vary from the sizes in the US. So if you plan on buying a new mattress, you need to know exactly what the size is. It will help you find just the right size for your bed. You may not realize it but this can have a big impact on how well you sleep and feel.

Single Mattress Sizes In The UK

A single-size mattress is also referred to as a single bed or a twin bed. A small single (sometimes known as a small single) is 75 cm wide by 190 cm long. This is the smallest standard-size mattress available in the UK. It is perfect for children or adults who don’t have much space in their bedroom.

A standard single-size mattress in the UK measures 3′ x 6’3″ (90 x 190 cm), while a Small Single-sized bed is about 2’ 6” x 6’3” (80 x 190 cm).

Single mattresses are a great option for children or teens looking for something compact and portable. Though they’re great for smaller spaces, single mattresses do have some limitations. A single won’t be wide enough for two sleepers or tall people.

Double Size Mattress Sizes In The UK

Double-size mattresses are similar to full-size mattresses in the United States. They measure 4’6″ x 6’3″ (135cm x 190cm). Double mattress sizes are the most common in the UK. They are a great option for single sleepers who enjoy having extra room to move around, or for couples who value intimacy over space.

The double-size mattress is the UK’s most popular selling mattress size. A double-size mattress is so versatile that it’s regularly used for sofa beds, bunk beds, and guest rooms.

It’s ideal for couples and offers a good amount of sleeping space, while not taking up too much room in your bedroom. A double mattress is also great if you have a child who likes to crawl into bed with you during the night or if you want to sleep with your pet curled up next to you.

King Size Mattress Sizes In The UK

King-size mattresses are the largest standard-size mattresses on the market. They are a good choice for those who want maximum room for sleeping or those who want to ensure there is enough space for two people to sleep comfortably.

UK king-size mattress dimensions are 150cm x 200cm (5ft x 6ft 6in), making them ideal for larger bedrooms. This larger bed is a great option if you have a partner who moves around a lot in their sleep as they will have plenty of room to move without disturbing you. They also have more space for adults and children to share, allowing everyone to get a good night’s sleep.


Super King Size Mattress Sizes In The UK

If you need more space to stretch out and enjoy sleeping, a super king bed could be your solution. Super-king-size mattresses or Western Kings measure 6’0″ x 6’6″ (180cm x 200cm).

Super king-size beds are ideal for tall people or those who have space to move in the night, but they do require a little extra space in the bedroom. The size of a super king bed makes it ideal if you plan to share your room with children, pets, or even other adults.

The UK mattress market has many different sizes on offer. From a single bed to a super king-size, there is a huge variety of options to choose from. However, you may be surprised to learn that not all mattress types are available in every size.

There’s the Single, which is the smallest mattress available in the UK making it ideal for children or one person.

Small Double, similar in length to a standard double but narrower, and doubles that can comfortably fit two people. Then, there are king-sized beds that are perfect for bigger rooms.

It is important to ensure that your measurements are correct and that your mattress will still be suitable for your room. After all, you don’t want to spend a fortune on a British-made mattress only to find out it doesn’t fit your bedroom correctly and cannot be used as intended.


Familiarizing yourself with mattress sizes in the UK is crucial for making well-informed bedding decisions. From the compact Single to the spacious Super King, the diversity in bed dimensions allows individuals to tailor their choices based on personal preferences and room sizes. Understanding the sizing conventions ensures that consumers can select mattresses that align perfectly with their comfort and spatial requirements in the United Kingdom.

1 thought on “Mattress Sizes In The UK: How Big Are Beds In The UK”

  1. Adan Roble Gedi

    I’m there and I’m poor man I’m very interested canada visa I want to protect national law please help to me

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