Choosing the right bed size is one of the most important decisions you’ll make for your bedroom. After helping thousands of UK customers find their perfect sleep solution over 50+ years, we’ve created this comprehensive guide to help you understand UK bed sizes, plan your space effectively, and make an informed purchase decision.
UK Standard Bed Sizes Chart
Here are the official UK bed dimensions you need to know:
| Bed size | Imperial | Metric | Suitable for | Ideal room |
|---|---|---|---|---|
| Small Single | 2’6″ × 6’3″ | 75 × 190cm | Younger children or smaller rooms | Compact bedrooms |
| Single | 3′ × 6’3″ | 90 × 190cm | Children, teens, or guest rooms | Smaller bedrooms |
| Small Double | 4′ × 6’3″ | 120 × 190cm | Solo sleepers needing extra space | Moderate-sized rooms |
| Double | 4’6″ × 6’3″ | 135 × 190cm | Couples or solo sleepers wanting more space | Standard bedrooms |
| King | 5′ × 6’6″ | 150 × 200cm | Taller individuals or those needing more legroom | Larger bedrooms |
| Super King | 6′ × 6’6″ | 180 × 200cm | Families or those valuing spacious sleeping areas | Spacious rooms |
Room Space Planning: How Much Space Do You Need?
Golden rule
Allow at least 60cm (2 feet) of walking space around your bed for comfortable movement and furniture access.
Minimum Room Sizes for Each Bed Type:
| Bed size | Minimum room (metric) | Minimum room (imperial) |
|---|---|---|
| Small Single | 2.1m × 2.5m | 7′ × 8’2″ |
| Single | 2.1m × 2.5m | 7′ × 8’2″ |
| Small Double | 2.4m × 2.5m | 7’10” × 8’2″ |
| Double | 2.6m × 2.5m | 8’6″ × 8’2″ |
| King Size | 2.7m × 2.8m | 8’10” × 9’2″ |
| Super King | 3.0m × 2.8m | 9’10” × 9’2″ |
| Emperor | 3.2m × 3.2m | 10’6″ × 10’6″ |
Detailed Guide to Each UK Bed Size
What each size actually means in practice, who it suits, what it needs, and when to choose it.
Small Single Beds
75cm × 190cm · 2’6″ × 6’3″
Perfect for children’s bedrooms, box rooms, or where space is extremely limited. While compact, they still provide comfortable sleeping for children up to teenage years. Consider upgrading when your child reaches 5’6″ in height for optimal comfort.
Single Beds
90cm × 190cm · 3′ × 6’3″
The most popular choice for teenagers and single adults in smaller bedrooms. It offers more width than a small single, giving noticeably better comfort without taking up significantly more floor space. A reliable, versatile option for everyday use and guest rooms.
Small Double Beds
120cm × 190cm · 4′ × 6’3″
Often called “three-quarter beds,” this size gives single sleepers noticeably more space while still fitting comfortably into smaller bedrooms where a full double may feel too large. A practical middle ground between a single and a double.
Double Beds
135cm × 190cm · 4’6″ × 6’3″
The traditional UK double remains a popular and versatile choice, particularly for couples in smaller bedrooms. It offers enough space for many people, though each sleeper has less personal room than they would on a single bed. For some, this is perfectly comfortable. For others, it can feel more limited over time.
King Size Beds
150cm × 200cm · 5′ × 6’6″
One of the most popular choices for UK couples, and for good reason. A king size gives each person more personal space than a standard double, along with extra length that makes a noticeable difference for taller sleepers. It strikes a strong balance between comfort and practicality for most bedrooms.
Super King Beds
180cm × 200cm · 6′ × 6’6″
A super king offers generous, hotel-like space, giving each person noticeably more room to sleep comfortably without disturbance. It is an increasingly popular choice for larger bedrooms, particularly for couples who prioritise space, comfort, and uninterrupted sleep.
Emperor Beds
200cm × 200cm · 6’6″ × 6’6″
The ultimate in sleeping space. An emperor bed offers an exceptional amount of room, giving each person complete freedom to move without disturbing their partner. Best suited to very large bedrooms, it creates a genuinely luxurious, spacious sleep environment that is difficult to replicate with smaller sizes.
How to Choose the Right Size:
Measure Your Room Accurately
Measure length, width, and height. Note door and window positions, and account for radiators, built-in wardrobes, and other fixed features. Use the minimum room size guide above as a practical reference.
Consider Your Sleep Habits
If you’re a restless sleeper, go larger than you think you need. Sharing with a partner? A king size is often the minimum most people feel comfortable with. If children or pets join you, consider a super king. Taller than 6’0″? Aim for at least 200cm in length.
Think About Future Needs
Consider whether your needs might change over time. Are you planning to move house, share your bed, or accommodate a growing family? Choosing slightly larger now can often prevent the need to upgrade later.
Budget Considerations
Larger beds typically come with higher costs, not just for the bed itself but for mattresses, bedding, and surrounding furniture. It is worth balancing comfort and practicality with what works for your space and budget.
Common UK Bed Size Mistakes to Avoid
- Assuming bigger is always better – An oversized bed can make a room feel cramped
- Not measuring doorways – Ensure your chosen bed can actually get into the room
- Forgetting about bedding costs – Larger sizes mean ongoing higher costs
- Ignoring ceiling height – Low ceilings can make large beds feel overwhelming
- Not considering bed frame styles – Ottoman beds need extra clearance above for opening
Ottoman Beds: Special Size Considerations
Ottoman beds (storage beds with lift-up mechanisms) require additional planning:
- Height clearance: Ensure 60cm minimum from mattress to ceiling
- Access space: Allow extra room for the mattress to lift fully
- Weight considerations: Larger sizes with storage can be significantly heavier
UK vs International Bed Sizes: Standard, European & Non-Standard
Choosing the right mattress size is crucial, especially when buying from abroad. UK bed sizes differ from US and European standards, and some European beds are slightly wider or longer than UK equivalents. Always check dimensions to ensure a perfect fit for your bedroom.
Top tip
Always compare mattress dimensions before purchasing imported bedding or furniture.
Standard UK vs International Sizes
| UK bed type | Width (cm) | US equivalent | EU equivalent | Notes |
|---|---|---|---|---|
| Single | 90 | Twin (99cm) | Single (90cm) | Standard single bed |
| Small Double | 120 | Full/Double (137cm) | Small Double (120cm) | Compact double for smaller rooms |
| Double | 135 | Full/Double (137cm) | Double (140cm) | Standard double |
| Queen | 160 | Queen (152cm) | Queen (160cm) | Popular international size |
| King | 150 | Queen (152cm) | King (160cm) | Minimum for couples in the UK |
| Super King | 180 | King (193cm) | Super King (180cm) | Optimal for most couples |
European & Non-Standard Bed Sizes
European bed sizes tend to be slightly larger than UK standards, offering more sleeping space. At Land of Beds, we provide a wide selection of European and non-standard sizes to suit your room and comfort needs.
| Bed type | Imperial | Metric | Notes |
|---|---|---|---|
| Small Single | 2’6″ × 6’3″ | 75 × 190cm | Compact option |
| Small Single Long | 2’6″ × 6’6″ | 75 × 200cm | Extra length for taller sleepers |
| Long Single | 3′ × 6’6″ | 90 × 200cm | Same as IKEA single mattress |
| Small Double Long | 4′ × 6’6″ | 120 × 200cm | Extra length small double |
| Long Double | 4’6″ × 6’6″ | 135 × 200cm | Standard extended double |
| European Double | 4’8″ × 6’6″ | 140 × 200cm | Same as IKEA double mattress |
| European King | 5’3″ × 6’6″ | 160 × 200cm | Same as IKEA king mattress |
Zip & Link / Emperor Sizes
For larger bedrooms, zip & link and emperor beds provide maximum space and flexibility.
| Bed type | Imperial | Metric | Notes |
|---|---|---|---|
| Small Emperor | 6’6″ × 6’6″ | 200 × 200cm | Large, square bed for couples |
| Small Emperor Zip & Link | 2 × 3’3″ × 6’6″ | 2 × 100 × 200cm | Two separate mattresses that join together |
| Emperor | 7′ × 7′ | 215 × 215cm | Maximum space for luxury bedrooms |
| Emperor Zip & Link | 2 × 3’6″ × 7′ | 2 × 107.5 × 215cm | Flexible king-plus option |
Top tip
Zip & link beds are perfect if your bedroom has narrow access, or if you want split firmness options for each sleeper.
Key Takeaways
- UK vs EU sizes differ: European beds are slightly bigger than UK sizes.
- Check dimensions before buying imported bedding.
- Zip & link and emperor beds give flexibility and extra sleeping space.
- Choose a bed size that balances room space, comfort, and intended use.
Expert Bed Size Recommendations for Optimal Sleep
Based on sleep research and over 50 years of customer experience, here’s how to choose the best bed size for your needs:
Couples
– Minimum: King (150cm) for more comfortable sleep for two
– Optimal: Super King (180cm) for the best space and comfort
– Budget/Space-Limited: Double (135cm) if room size is restricted
Singles
– Standard choice: Single (90cm) suitable for most adults
– Luxury option: Small Double (120cm) for extra space
– Space-saving: Small Single (75cm) for very compact rooms
Families & Co-Sleeping
– Co-sleeping: Super King minimum, Emperor preferred for maximum space
– Guest accommodation: Double or King depending on room size
– Taller sleepers (over 6’0″): Prioritise 200cm-long beds
Height considerations
Anyone over 6’0″ should prioritise 200cm-long beds. As a general rule, aim for at least 20cm longer than your height for comfortable sleep.
Why Buy Your Perfect Bed from Land of Beds?
Investing in the right bed and mattress ensures comfort and longevity. Our award-winning team is here to help you find the perfect fit for your needs.
We Really Know Our Stuff
We’ve been helping people find their perfect night’s sleep for over 50 years. That’s a lot of happy customers and a lot of experience matching people with beds that actually work for them. Our sleep experts have seen every bedroom configuration and helped solve thousands of space and comfort challenges.
We’ve Got Everything You Need
As the UK’s leading independent bed retailer, you’ll find everything here — from seeing before you buy in our dedicated showroom, to risk-free mattress sleep trials on many products. We offer the latest models, often before they appear elsewhere, along with a full range including European and non-standard sizes.
Free, Honest, Expert Advice
Our bed and mattress experts genuinely want to find what works best for your space, budget, and sleep needs. We’ll never pressure you into a larger or more expensive option — only what’s right for your situation.
We Make It Easy
Free delivery across mainland UK on orders over £100, with room-of-choice delivery and old bed removal options available. Flexible payment options mean you can spread the cost if needed.
Price Promise
If you find the same product cheaper elsewhere, we’ll match it. We’re also rated Excellent on Trustpilot.
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Every size from small single to emperor — across all types, tensions, and price points.
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Written by Judith Ackers
Judith brings her background in psychology, neuroscience, and education to her role at Land of Beds, where she shares expert advice to help customers sleep better. From product buying guides to bedtime routines and sleep-friendly habits, Judith’s insights support Land of Beds’ mission to improve sleep for everyone.
Approved by Maria Jones
Maria brings 18 years of experience in the bed and mattress sector to Land of Beds, leading sales strategy and ensuring a smooth, supportive buying experience. Her expertise also informs guidance on VAT relief and finance options, helping customers make confident, informed sleep purchases.