Choosing the right bed and mattress size starts with understanding the standard dimensions available in the UK. Each size is designed to suit different spaces and sleeping needs, whether you're buying for a single sleeper or a couple, and furnishing a master bedroom, a guest room, or a cosy studio, understanding the variety of UK bed and mattress sizes can help you make an informed decision.
In this guide, we will walk you through the standard sizes available, factors to consider based on your room dimensions and sleep habits, and tips for selecting the ideal bed frame and mattress. By the end, you'll be well-equipped to find the perfect fit for your space and sleep needs.
Standard Bed and Mattress Sizes in the UK:
Small Single (75 x 190 cm / 2'6"): An even narrower option than a standard single, perfect for young children, bunk beds, or rooms with very limited space.
Single (90 x 190 cm / 3'0"): Ideal for children, teenagers, or single adults with limited space. A great choice for guest rooms or smaller bedrooms where space is at a premium.
Small Double (120 x 190 cm / 4'0"): Also known as a “three-quarter” bed, this size is perfect for single sleepers who want more room to stretch out or for couples in smaller, more compact spaces.
Double (135 x 190 cm / 4'6"): The most popular size for couples, providing enough space for two people in most bedrooms while still being space-efficient. Ideal for medium-sized rooms or guest bedrooms.
King (150 x 200 cm / 5'0"): A luxurious upgrade from a double, offering extra width and length for added comfort. This size is perfect for master bedrooms or couples who enjoy more space while sleeping.
Super King (180 x 200 cm / 6'0"): The largest standard size, providing ample room for couples or individuals who prefer a lot of sleeping space. Best suited for larger bedrooms where comfort is key.
Choosing the Right Bed Frame
Your bed frame affects both the look and functionality of your bedroom, offering different features such as storage or adjustable comfort. Here’s a look at some of the most popular bed frame types available.
Divan Beds
One of the most popular choices in the UK, divan beds consist of a sturdy base and a mattress. They often come with optional drawers or storage options built into the base, making them an excellent space-saving solution for smaller rooms.
Ottoman Beds
These beds feature a hydraulic lift mechanism that raises the mattress, allowing you to use the entire under-bed space for storage. Ottoman beds offer more storage than divans, making them perfect for those who need to maximise storage in smaller rooms.
Divan Bases
Similar to a divan bed but without a mattress, a divan base is a simple and practical option. You can pair it with any mattress, and it often comes with storage options, making it a flexible and functional choice for various room sizes and storage needs.
Adjustable Beds
Ideal for those with specific comfort or medical needs, adjustable beds allow you to change the angle of the head and foot sections to suit your preferences. They provide excellent support for people with back pain or those who prefer different sleeping positions.
Bunk Beds
A space-saving option, particularly in children’s bedrooms or guest rooms, bunk beds feature one bed stacked above another. Some models come with additional features like storage drawers or desks, making them efficient for smaller rooms. Bunk beds can be especially beneficial for kids, offering both practicality and fun.
Learn How to Choose the Right Bed for Your Bedroom
What to Consider When Choosing Your Mattress
It’s important to consider factors such as firmness, material, and thickness to suit your specific needs. Here’s what you should keep in mind when selecting your ideal mattress.
Mattress Firmness Levels
Soft: Best for side sleepers or those who prefer a plush, cushioned feel. A soft mattress contours to your body and helps to relieve pressure on your hips and shoulders.
Medium-Soft: Offering a little more support than a soft mattress, medium-soft options are great for those who enjoy a balance between plush comfort and slightly firmer support. This is ideal for lighter individuals or combination sleepers who switch between positions.
Medium: A balanced option, medium-firm mattresses provide a mix of comfort and support, making them ideal for a wide range of sleeping positions, including side and back sleepers.
Medium-Firm: For those seeking more support, a medium-firm mattress offers increased stability while still maintaining enough softness for comfort. This firmness is often recommended for couples with varying sleeping preferences or for back sleepers who need a bit more structure.
Firm: Designed for back and stomach sleepers, firm mattresses offer extra support to maintain proper spinal alignment. They are also a good choice for heavier individuals who need more support.
Extra Firm: Ideal for those who need maximum support. Extra firm mattresses are particularly suited for heavier sleepers or those with back pain who require a solid sleeping surface.
Types of Mattress
Traditional Spring
Traditional spring mattresses, also known as open coil or Bonnell spring mattresses, consist of interconnected springs. They offer a firm, supportive feel and tend to be more affordable. However, they may provide less contouring support than pocket sprung or foam mattresses, and motion transfer can be higher.
Memory Foam
Known for its contouring properties, memory foam adapts to your body shape, providing excellent pressure relief. It's a great option for side sleepers or those with joint pain, but it may retain heat more than other mattress types.
Pocket Sprung
These mattresses feature individual springs housed in fabric pockets, providing responsive support. Pocket sprung mattresses reduce motion transfer, making them a good choice for couples, as movement on one side of the bed is less likely to disturb the other sleeper.
Latex
A durable and breathable option, latex mattresses provide a bouncy feel with firm support. They are naturally hypoallergenic, making them a good choice for allergy sufferers.
Gel
Gel mattresses or gel-infused memory foam are designed to address the heat retention issue often associated with standard memory foam. The gel helps dissipate heat, making this a good option for those who tend to sleep hot but still want the pressure relief of foam.
Foam
Different from memory foam, standard foam mattresses are made from polyurethane foam. They offer a bouncy, supportive surface and are typically less expensive than other mattress types. They’re a good option for those seeking a budget-friendly, no-frills mattress.
Mattress Depth
Shallow (15-20 cm): A thinner mattress may be suitable for children’s beds or bunk beds. While they take up less space, shallow mattresses may lack the support needed for heavier sleepers.
Standard (20-30 cm): This is the most common mattress depth, providing a good balance between comfort and support for most sleepers. Ideal for use with most bed frames, including divans and ottoman beds.
Deep (30 cm and above): Deep mattresses provide additional support and luxury comfort, particularly beneficial for heavier individuals or those who prefer a more cushioned feel. Be sure to check your bed frame compatibility, as some deep mattresses may sit too high on certain frames.
Room Size and Layout Considerations
It's important to choose a bed that fits comfortably in your room while still leaving enough space for movement and other furniture. Here are some key points to consider when planning your room layout.
Space Planning
To ensure your bed fits well without making the room feel cramped, consider the following tips:
Measure the room dimensions: Before purchasing a bed, always measure the length and width of your room. Be sure to account for any doors, windows, or built-in furniture.
Leave room for movement: It's recommended to leave at least 60 cm of clear space around the sides and foot of the bed for easy movement. For larger beds like king or super king sizes, ensure there’s enough room for bedside tables and other furniture without making the space feel overcrowded.
Position the bed wisely: Placing your bed against a wall can help maximise space, especially in smaller rooms. Avoid placing it under windows if possible, as this can limit natural light and airflow.
Multi-Functional Rooms
Many bedrooms need to serve multiple purposes, especially in homes where space is at a premium. Here are a few tips for fitting a bed into a multi-functional space:
Small bedrooms: In smaller bedrooms or studio apartments, consider space-saving options like divan beds or ottoman beds that provide built-in storage. This eliminates the need for additional furniture, such as a chest of drawers, freeing up more floor space.
Guest rooms: If your guest room doubles as a home office or another functional space, opt for a small double or even a single bed to maximise flexibility. Bunk beds can also be a great option for guest rooms shared by children or multiple guests.
Dual-purpose rooms: For spaces that serve as both a living area and a bedroom, such as a studio apartment, consider beds with hidden storage or even adjustable beds that can be raised and lowered for different uses.
Furniture Layout
The layout of your furniture should complement the size of your bed, making the room both functional and aesthetically pleasing. Consider:
Storage solutions: Built-in wardrobes, shelving, and bedside tables can provide necessary storage without taking up excessive floor space. Divan or ottoman beds with storage drawers can reduce the need for extra cabinets or dressers.
Room flow: Ensure there is a clear path around the bed, especially if you need to access storage areas or closets. A clutter-free room helps create a more relaxing environment, which is essential for good sleep.
Sleep Needs and Personal Preferences
Your sleep habits, personal preferences, and even health considerations play a role in choosing the right bed and mattress. It’s essential to consider factors such as sleeping position, whether you share the bed, and any specific health conditions when making your decision. Here’s what to keep in mind:
Sleeping Positions and Bed Sizes
The way you sleep directly impacts the bed size and mattress type that will work best for you:
Side Sleepers: Side sleepers often benefit from softer mattresses that contour to the body, reducing pressure on the hips and shoulders. A wider bed, such as a double or king, gives side sleepers more room to move freely throughout the night.
Back Sleepers: Back sleepers need a bed that provides adequate support for their spine. A medium or firm mattress is ideal for this position, with bed sizes like a double or king offering plenty of space for comfort.
Back Sleepers: Back sleepers need a bed that provides adequate support for their spine. A medium or firm mattress is ideal for this position, with bed sizes like a double or king offering plenty of space for comfort.
Sleeping Partners
Sharing a bed can sometimes complicate the choice of bed size and mattress firmness, as couples often have different sleep preferences. Consider the following:
Different sleeping preferences: If one partner prefers a softer mattress while the other likes it firm, a compromise might be found in a medium-firm hybrid mattress. Alternatively, some beds and mattresses offer split firmness options, where each side of the bed can be customised to suit individual needs.
Space for two: A larger bed, such as a king or super king, provides plenty of space for couples to sleep comfortably without disturbing each other. A pocket sprung mattress is also a good option for minimising motion transfer, so movement from one partner doesn’t disturb the other.
Health Conditions
Certain health concerns can affect your choice of bed and mattress, especially when it comes to achieving optimal comfort and support:
Back Pain: For those with back problems, a medium-firm mattress is often recommended as it provides the necessary support without being too hard. Adjustable beds can also be beneficial, allowing users to change the angle of the bed to relieve pressure points and provide better alignment.
Joint or Hip Pain: Individuals with joint or hip pain should look for mattresses that offer pressure relief, such as memory foam or gel mattresses, which mould to the body and reduce stress on sensitive areas.
Allergies: For those prone to allergies, choosing a hypoallergenic mattress, such as a latex or gel mattress, can reduce allergens like dust mites, mould, and pet dander.
Temperature Preferences
If you tend to sleep hot or cold, the material of the mattress can make a big difference. Gel-infused and latex mattresses are ideal for hot sleepers, as they promote airflow and help regulate temperature, while memory foam, known for its heat-retaining properties, may suit those who feel cold at night.
Read About Sleep Preferences Across the UK
Find The Right Bed & Mattress Size For You at M6 Beds
Ready to find your perfect bed and mattress? Browse our range of beds and mattresses or visit one of our showrooms in Alsager or Northwich, where our friendly team can help you explore our wide range of beds and mattresses in person. Discover the comfort you deserve today!
M6 Beds Newsletter