The UK Bed and Mattress Size Guide

Workman Measuring Bed Frame

We know the world of beds and mattresses can be confusing, so we’re going to simplify it a little.

Your bed and mattress are an investment that should last many years, promoting healthier sleep and leaving you feeling refreshed each morning. Choose one too small, you may struggle to sleep, or one too large, you will not have bedroom space for anything else.

This guide will help you find the perfect bed and mattress.

Choosing the right bed and mattress size

Bed/Mattress Size Imperial Metric
Single 3’ x 6’3” 90 x 190cm
Small Double 4’ x 6’3” 120 x 190cm
Double 4’6” x 6’3” 135 x 190cm
King 5’ x 6’6” 150 x 190cm
Super King 6’ x 6’6” 180 x 190cm

Your mattress should fit your bed frame perfectly. Choosing the right size depends on your room and how many people will be snuggling in. Here’s what to consider:

1. Who is the bed or mattress for?

As life evolves, sleeping patterns will change and your sleep environment needs to advance and adapt accordingly. Adults need a mattress size based on their height, weight, and build, while children require smaller options.

Selecting the appropriate bed and mattress size is a crucial decision that can greatly impact your comfort and quality of sleep. When choosing a bed frame, consider the dimensions of your bedroom and how much space you have available. It’s important to ensure that the bed frame fits comfortably in the room without feeling cramped or overwhelming the space. Additionally, think about your own personal preferences and sleeping habits when selecting a mattress size. If you tend to move around a lot in your sleep, a larger mattress size may provide you with more room to  stretch out and get comfortable.

When it comes to choosing the right bed and mattress size, it’s also important to consider who will be sharing the bed with you. If you sleep with a partner, you’ll want to select a mattress size that provides enough space for both of you to sleep comfortably without feeling cramped. Communication with your partner about their preferences and sleeping habits can help you make an informed decision about the best mattress size for your needs. Ultimately, selecting the right bed and mattress size is a personal choice that should take into account factors such as room size, personal preferences, and sleeping habits to ensure a restful night’s sleep. The variety in our range is unique. We stock mattresses from single size right up to super king size. In addition to the standard UK size offering, we also offer the option of designing and ordering bespoke sizes. You can contact us for more information.

2. Height

The height of the sleepers may influence mattress choice, especially if you have an irrational fear of your feet overhanging past the mattress. King size and super king size mattresses all have a length of 6’6”/200cm, perfect for a taller individual.

The impact of your height on selecting the appropriate bed and mattress size is significant. Taller individuals may require a larger bed and mattress to ensure comfort and adequate space for sleeping. Conversely, shorter individuals may find smaller bed and mattress sizes more suitable for their needs, providing a snug and comfortable sleeping environment.

Consideration of your height when choosing a bed and mattress size is crucial for promoting a restful and comfortable sleep experience. By selecting a bed and mattress size that aligns with your height, you can ensure proper support and comfort, leading to improved sleep quality and overall well-being.

3. Availability of Space

When it comes to choosing your bed and mattress, the size of your room is always going to impact your decision. We would all love a huge bed, but sometimes space does not allow it. We attempt to help you make an informed decision on what the best size is given your circumstances and to help choose between sizes if you’re in two minds.

Generally, an equivalent size mattress will fit the corresponding bed frame, but it is always good to check exact sizing as European and other sizes can be confused for standard UK bed sizes. Bed frames are often a little bigger than mattresses enabling the mattress to sit inside the bed frame whereas on a divan bed base, the base and mattress will have equivalent sizes and the mattress will sit flush on top of the divan base.

The selection of the appropriate bed and mattress size is greatly influenced by the amount of space available in the room. Limited space may require opting for a smaller bed size to ensure there is enough room for movement and other furniture. Conversely, a larger space allows for the choice of a bigger bed and mattress size, providing more comfort and space for sleeping.

Considering the availability of space is crucial when deciding on the right bed and mattress size. It is important to measure the room dimensions accurately to determine the maximum size that can comfortably fit. By taking into account the space constraints, individuals can make an informed decision that optimizes both comfort and functionality in the bedroom.

It is recommended that your bed should be wide enough to allow all sleepers to lay side by side, arms behind your head, elbows out and not touching. A standard double bed provides the same space for an adult that a baby has in a cot. So, you may find double beds and mattresses are not quite big enough for couples. A king or superking size mattress may provide a more comfortable sleep.

 


 

Bed and Mattress Size Guide

What super king size bed and mattress?

Super king size mattresses are the largest standard UK size available on the market. If you’re someone that wants tons of extra space or have a large bedroom, then a super king may we be the right choice.

Super king beds and mattress dimensions are 180cm wide and 200cm long (6ft wide by 6ft 6in in length. This is the largest bed we have available, which is perfect for families who like to squeeze in for breakfast in bed, or those who value a lot of space! Our super king mattresses are available in memory foam and pocket spring options amongst others.

Other considerations about a super king size bed and mattress:

  • Super king mattresses have a weight capacity of 800 – 1,000 pounds.
  • Taller individuals and couples would find a super king bed to be ideal.
  • Provide a much more pleasant sleep experience for stomach and back sleepers.
  • Provides a grand finish for larger bedrooms.
  • The bedding and sheets associated with the bed are generally more expensive.

What size is a king size bed and mattress?

A king size mattress is 150cm wide by 200cm long (5ft x 6ft6). King size beds are wider and longer than a double bed, making them ideal for taller folks or couples in need of a spacious upgrade from that old double bed. It is advised that king size beds be used in larger bedrooms as there is readily more space available to accommodate their larger structure.

Other considerations about a king size bed and mattress:

  • Ideal for couples or individuals taller than 1.9m.
  • King size mattresses generally have a weight capacity of 800 – 1,000 pounds.
  • Can be heavy and difficult to move around.
  • Accommodate any type of sleeper.

What size is a double bed and mattress?

Double beds and mattresses are 190cm long and 135cm wide (4ft6” wide and 6ft3” long). The double is the most popular bed size in the UK market. They are ideal for two people and will generally fit into most bedrooms. If you’re looking to make the most of the space available – a double bed with storage is ideal to maximise your bedroom space.

Other considerations about a double size bed and mattress:

  • Specially designed to comfortably sleep two adults.
  • Comfortably fits an average sized bedroom.
  • Weight capacity is 500 – 800 pounds.
  • They are quality beds for back and side sleepers.

What size is a small double bed and mattress?

A small double base and mattress are typically 120cm wide and measure 190cm in length (4ft x 6ft3). They are commonly referred to as queen size and best suited to a single sleeper but can accommodate two adults if necessary. Small doubles are usually the best solution when you have a smaller than average room so you can maximise sleeping and storage space. Alternatively, for sleepers who want something larger than a single bed find a small double is a good fit. It provides plenty of space for one or enough room for two (although two adults may find it a little ‘cosy’). Where space is at a premium, small double’s that maximise storage (such as ottoman or divan bases) are an ideal choice.

Other considerations about a small double size bed and mattress:

  • Anyone who wants the “sweet spot” between a single and a double.
  • Weight capacity is 500 – 800 pounds.
  • Great for single people
  • Best for side sleepers
  • Great for smaller bedrooms and guestrooms where a standard double won’t quite fit

What is a single size bed and mattress?

Single beds and mattresses are 90cm wide and 190cm long (3ft wide and 6ft3ins long). Suitable for both adults and children, they provide a good space for single sleepers. Singles are the most common size for children’s beds, including novelty beds and bunk beds. They account for regular growth spurts in children from when they move out of the cot right up to their teenage years.

Other considerations about a single size bed and mattress:

  • Weight capacity is 250 – 300 pounds.
  • Ideal for solo sleepers and side sleepers
  • Great for smaller bedrooms

 


Bed frame size according to style

Total bed dimensions of bed frames will differ depending on the style of bed you decide to go for.

  • Divan bases will sit flush with your mattress as they will have identical dimensions to the corresponding bed base size.
  • Upholstered bed frames can differ vastly in size depending on their shape and detailing in the fabric.

We always advise checking the dimensions of the bed frame against the space you have available to ensure it will be a good fit and that there is adequate space for you to move around your bedroom.

Home Measuring Guide

A common problem we encounter when delivering beds and mattresses is that customers do not ensure there is enough room to carry their new items through their homes into the room of choice. We are aware that every home is different and not all landings and staircases are the same. That’s why ensuring that the bed you have chosen fits up stairs and doorways could avoid a lot of issues and disappointment on delivery day.

1. Check the Dimensions

Use masking tape to mark out the area of the bed to see you have adequate space for the frame and to walk around it. Check all the sizes before you order because divan bases and upholstered frames will vary in measurements.

2. Check your Surroundings

Allow enough space around your bed. Don’t forget to take wardrobes, drawers and doors into consideration to ensure the bed is not going to hinder your use of any of these.

If you’re ordering a divan bed with drawers, you need to ensure they fully open. We advise allowing a minimum space of 55cm for the storage drawers to be pulled out.

3. Check the rest of your home

By using the bed’s widest dimensions as a guide, check that the bed base will fit through your doorways and up the stairs without damaging walls, paintwork and accessories.

Stairs will always cause the biggest problems. All that needs to be done is measuring the shortest. Measure distances to any low or oddly shaped ceilings, especially those that are at a 90° angle to the staircase. Clearance space should be more than the width of the bed frame or mattress.

 


 

Stairs Spacing Diagram

Even if your staircases and doorways are not big enough, we still have you covered.

  • Zip & Link Beds and mattresses – enable you to split the mattress and divan base so they can be delivered to your room without any hassle. Sturdy zips are situated at the top and bottom of the mattress so that it can be joined together safely.
  • Split Headboards – we can split the headboard in two so that you can enjoy large headboards without worrying about whether it will fit up your stairs.
  • Roll Up/Box Mattresses – these mattresses are vacuum sealed, gently compressed so there are no concerns with it going into your bedroom. You simply unwrap and allow it to expand in your bedroom so its ready to use in a few hours.

 


 

Child Jumping on the Bed

Key takeaways when choosing a bed and mattress size

The size of bed and mattress you choose can make huge differences in the quality of your sleep as well as the practicality of your bedroom. Comfort should always be at the forefront of your mind. We advise considering how many people will be sleeping in the bed as well as the types of sleepers they are.

Don’t forget about style. Finding the right size and style of bed is key to creating that warm cosy feel in your bedroom. If you’re buying a bed for kids, like their clothes, we advise investing in a larger size so that it can last them into their teenage years.

Choosing the correct bed and mattress size is about striking the balance between style, practicality, and comfort.

Key takeaways when choosing a bed and mattress size

The size of your bed and mattress can significantly impact your sleep quality and bedroom practicality. Comfort should be your top priority. Consider how many people will be sleeping in the bed and their sleeping styles.

When selecting a bed size and mattress, it is important to consider several key factors that will ultimately impact your comfort and quality of sleep. The first key takeaway is to carefully measure the dimensions of your bedroom to ensure that the bed size you choose fits comfortably within the space. It is also crucial to take into account the number of people who will be sharing the bed, as this will determine the appropriate size to accommodate everyone comfortably. Additionally, consider your own personal preferences and sleeping habits when choosing a mattress firmness level, as this will greatly affect the quality of your sleep.

Another key takeaway when choosing a bed size and mattress is to prioritise quality over price. Investing in a high-quality mattress and bed frame may require a larger upfront cost, but it will ultimately pay off in terms of durability and comfort in the long run. It is also important to test out different mattresses in person before making a decision, as comfort is subjective and can vary greatly from person to person. Lastly, don’t forget to consider any specific health concerns or conditions that may require a certain type of mattress, such as back pain or allergies. By keeping these key takeaways in mind, you can ensure that you make an informed decision that will lead to a restful and comfortable night’s sleep.

Don’t forget about style. Finding the right size and style of bed is key to creating that warm, cosy feel in your bedroom. If you’re buying a bed for kids, like their clothes, we advise investing in a larger size so that it can last them into their teenage years.

Choosing the correct bed and mattress size is about striking the balance between style, practicality, and comfort.

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