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Bed Size Guide UK: Choosing the Right Bed For You

Bed Size Guide UK: Choosing the Right Bed For You

Size really does matter when it comes to your bed, especially if you have a sleeping partner to accommodate. A larger bed allows you to move around and spread out, ultimately giving you more comfort and a better night’s sleep.

If you want to improve your sleep health, the best advice is to opt for the biggest bed size that will fit in your room. Our handy bed size guide tells you what each size measures and what type of space it’s suited to.

Bed size guide: UK measurements

There are six standard bed sizes in the UK, including two types of singles and four variations on the double. This means you’ll be able to find the right bed for a variety of needs.

Here are the different bed size measurements:

Small single (75cm by 190cm)

The small single is a great way to maximise space in very small rooms. If you are turning your box room into a spare guest bedroom, this could be the right bed due to its narrow design. This size is also ideal for children and teenagers. 

Standard single (90cm by 190cm)

Standard single beds offer a bit more room to spread out than the small single, and are ideal for guest bedrooms that don’t accommodate a double. It’s a good size for children and teenagers, and is a much better option than a small single if your space allows it.

For anyone who moves around in their sleep, this is definitely the best choice of single bed in terms of comfort.

Small double (120cm by 190cm)

A small double is ideal if you are designing a guestroom but don’t have a large area to work with. Aesthetically, it will look just as great as a standard double, while giving you a bit more room to walk around. By choosing a narrower bed, you can create an illusion of space and still give your guests somewhere to sleep comfortably when they stay over.  


Double (135xm by 190cm)

The standard double bed is one of the most popular beds for master bedrooms and guest rooms. It is an ideal option for couples as well as single sleepers who just desire a bit more space.

King size (150cm by 200cm)

Choosing a king size bed is highly recommended if you and your sleeping partner prefer to have a bit more room to manoeuvre. For back sleepers who love to stretch out, it offers extra space and enhanced comfort.

Superking size (180cm by 200cm)

If you have a large bedroom, there’s no better option than the superking. Not only is it the most comfortable bed size for couples who toss and turn a lot, but it can even accommodate the little ones when they have nightmares. For parents who like co-sleeping with their young children, a superking is ideal.

Choosing the length of the bed

When it comes to the length of your bed or mattress, make sure you consider your height. The length of your body will determine the best bed length to buy – and a bed that’s too short will lead to some uncomfortable nights.

A good guide is to choose a bed that is at least 10cm longer than the tallest person using it. This will help you avoid having to curl up unnaturally or having feet dangling over the end of the bed.

What about bed height?

While most people focus on the size of the bed and mattress, the height of your bed is just as important. This can be a personal choice, but the general rule of thumb is to find a bed that feels comfortable when you sit down. If your feet are flat against the floor and your knees are in line with your hips, the bed is a good match for you.

This doesn’t mean that you can’t opt for a lower or higher bed if that’s what you prefer. It can be an aesthetic decision too. For instance, a small room may benefit from a low bed as this can create the illusion of space. On the other hand, if your home has high ceilings, a bed with added height may be more visually appropriate.

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