A good night's sleep is the cornerstone of our overall well-being, and choosing the right bed size plays a vital role in achieving optimal comfort. However, navigating the world of bed sizes can be overwhelming, especially with the unique dimensions and terminology. Let our comprehensive guide assist you in creating your perfect sleep sanctuary.

From compact single beds to luxurious super king size options, we'll explore the full spectrum of bed sizes available in the UK market. Whether you're furnishing a guest room, revamping your master bedroom, or simply curious about the dimensions, this guide will provide you with the knowledge you need to make an informed decision. Say goodbye to restless nights and hello to a well-deserved slumber, in a bed that caters to your unique requirements.
What are the UK Bed Sizes?

In the UK, the most popular sizes for beds are: Cot Beds, Toddler Beds, Small Single, Single, Small Double, Double, King and Super King. You may also find some retailers offer the sizes: Petite Double and Small Super King, as well as European sizes; Euro Single, Euro Double and Euro King. Here are the approximate sizes for bed sizes in the UK, please note sizes may vary depending on the manfacturer.



Please note that all measurements are approxiate.

Please note that all sizes are approximate.

UK Bed Sizes Explained

Cot Bed - 53m x 120cm or 1'9” x 4’0”
A standard cot typically has dimensions of approximately 60cm x 120cm (24" x 47"). This size provides a cozy and secure sleeping space for infants. It is worth noting that there can be slight variations in dimensions among different cot models or brands, so it is always recommended to check the specific measurements provided by the manufacturer when purchasing a cot. Additionally, some cots may feature adjustable mattress heights to accommodate a growing baby and ensure their safety and comfort.

Toddler Bed - 70cm x 140cm or 2'3” x 4’6”
A toddler bed is generally designed to accommodate children transitioning from a cot to a larger bed. The size of a UK toddler bed can vary, but it is typically smaller than a single bed. The most common dimensions for a UK toddler bed are around 70cm x 140cm (27.5" x 55"). However, there may be some variation in sizes among different brands or models, so it's always advisable to check the specific measurements provided by the manufacturer when purchasing a toddler bed.

Small Single - 75cm x 190cm or 2'6” x 6’3”
A small single bed typically has dimensions of approximately 75cm x 190cm (2'6" x 6'3"). This size is narrower and shorter compared to a standard single bed. It is designed to provide a compact sleeping solution, making it ideal for children's bedrooms, guest rooms, or rooms with limited space. A small single bed offers a comfortable sleeping area for one person, while conserving floor space. When choosing bedding or accessories for a small single bed, it's important to ensure they are specifically designed to fit this smaller size.
Small Single Size Mattresses are suitable for: Small Single Bed Frames.

Single - 90cm x 190cm or 3’0” x 6’3”
A single bed typically has dimensions of approximately 90cm x 190cm (3' x 6'3"). This size provides a comfortable sleeping space for one person and is commonly used in bedrooms for children, teenagers, or adults who prefer a single sleeping area.
Single Size Mattresses are suitable for: Single Bed Frames.

Small Double - 120cm x 190cm or 4’0” x 6’3”
A small double bed, also known as a "three-quarter" bed, typically has dimensions of approximately 120cm x 190cm (4' x 6'3"). This size offers a slightly larger sleeping area compared to a single bed, providing more room for a single sleeper or offering a cozy space for couples who prefer a snug sleep surface.
Small Double Mattresses are suitable for: Small Double Bed Frames, Small Double Divan Beds and Ottoman Storage Beds.

Double - 135cm x 190cm or 4'6" x 6'3"
A Double size mattress is a very popular size, it’s perfect for two adults, a great guest bed, a main bed or the ideal size for a very lucky teenager. Being a popular size, you shouldn’t have any issue finding bedding for this size mattress. If your kids join you in bed at the weekends, it may be a little snug, so we’d recommend upgrading to a King.
Double mattresses are suitable for: Double Bed Frames and Double Size Divan Beds.

King - 150cm x 200cm or 5'0" x 6'6"
A king-size bed typically has dimensions of approximately 150cm x 200cm (5' x 6'6"). It provides a generous sleeping area and is designed to accommodate couples or individuals, who prefer ample space to stretch out during sleep. A king-size bed offers enhanced comfort and room for movement, making it a popular choice for master bedrooms or those who desire a spacious sleeping surface.
King size mattresses are suitable for: King Size Bed Frames and King Size Divan Beds.

Super King 6’ x 6’6 or 180cm x 200cm
A super king-size bed has dimensions of approximately 180cm x 200cm (6' x 6'6"). It is the largest standard bed size available in the UK market. The super king-size bed offers a luxurious and expansive sleeping area, providing ample space for couples or individuals who prefer the utmost comfort and room to move during sleep. This size is often chosen for larger master bedrooms or individuals who prioritize extra space and luxury.
Super King Mattresses are suitable for: Super King Size Bed Frames and Super King Size Divan Beds.


Things to consider when buying a mattress

When considering the size of a bed, there are specific factors to keep in mind. Here are some important considerations when buying a bed based on size:

  1. Available Space: Measure the dimensions of your bedroom to determine the maximum size of the bed that can comfortably fit. Consider other furniture and walkway space to ensure the bed doesn't overwhelm the room.

  2. Sleeping Requirements: Think about the number of people who will be using the bed. If it's for a single sleeper, a smaller size like a single or small double bed may be sufficient. For couples, a larger size like a double, king, or super king bed may be more suitable to provide ample space for both individuals to sleep comfortably.

  3. Body Size and Sleeping Habits: Take into account the size and height of the individuals who will be using the bed. Taller individuals may prefer a longer bed to accommodate their height. Additionally, consider if you tend to spread out while sleeping or prefer a snugger sleeping arrangement.

  4. Room for Growth or Changing Needs: If the bed is for a growing child or if you anticipate changes in sleeping arrangements in the future, it may be wise to consider a larger bed size to accommodate those potential changes without needing to purchase a new bed in the near future.

  5. Accessibility: Consider any limitations in accessing the bedroom or maneuvering furniture through doorways, hallways, or staircases. If space is restricted, opt for a bed size that is easier to transport and assemble in your specific situation.


By considering these factors, you can make an informed decision about the appropriate bed size that will provide the desired level of comfort, functionality, and fit within your available space.


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