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What Is a Small Double Bed Size?
A small double bed—often referred to as a "three-quarter bed"—is a compact yet comfortable option ideal for smaller bedrooms or guest rooms. In the UK, the standard small double bed size measures 120cm wide x 190cm long (approximately 4 feet wide x 6 feet 3 inches long).
Smaller than a standard double (135cm wide), but larger than a single (90cm), it strikes the perfect balance for solo sleepers wanting more space or for tighter layouts where a full-size double may feel overwhelming.
UK Bed Size Comparison Chart
| Bed Type | Metric Dimensions (cm) | Imperial Dimensions (feet/inches) |
|---|---|---|
| Single | 90 x 190 | 3'0" x 6'3" |
| Small Double | 120 x 190 | 4'0" x 6'3" |
| Double | 135 x 190 | 4'6" x 6'3" |
| King | 150 x 200 | 5'0" x 6'6" |
| Super King | 180 x 200 | 6'0" x 6'6" |
Who Is a Small Double Bed Best For?
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Solo Sleepers – More room than a single without needing a full-size double
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Teenagers & Young Adults – Ideal for growing bodies and personal space
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Guest Rooms – Perfect compromise for comfort and floor space
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Small Bedrooms – Great for London flats, studio apartments or second bedrooms
Related Mattress Terms
To match your frame, a small double mattress also measures 120 x 190 cm. It’s important to pair with the right bedding, especially fitted sheets and duvets that suit smaller dimensions.
Other related glossary terms include:
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[Small double mattress size]
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[Double mattress size]
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[Mattress sizes UK]
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[Single mattress size]
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[What size is a king mattress]
Small Double vs Double: What’s the Difference?
The main difference is width. A standard double bed is 15cm wider, which may not sound like much, but can make a difference in sleeping comfort for two adults. If space allows and two people will sleep in the bed regularly, consider a full double or king instead.
However, for solo use, a small double bed provides plenty of space while saving crucial floor area—perfect for rooms under 3m wide.
Frequently Asked Questions
How big is a small double bed in cm?
120cm wide x 190cm long.
Is a small double OK for two people?
It's possible for short stays, but may feel cramped long term.
What bedding fits a small double bed?
Look for UK-sized small double sheets, duvets (200 x 200 cm), and mattress protectors marked as “small double.”
Is a queen bed bigger than a small double?
“Queen” is not a UK-standard size. In many contexts, a queen bed refers to a UK king (150 x 200 cm), making it larger than a small double.
Browse Small Double Beds at House of Isabella
At House of Isabella, we stock a stylish selection of beds compatible with small double mattresses—including upholstered, wooden, and storage-friendly bed frames. Browse our curated selection from top brands such as:
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Tommy Franks – Designer craftsmanship with space-saving options
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Gallery Direct – Contemporary and Scandi-inspired frames
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Richmond Interiors – Luxurious silhouettes in plush finishes
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Eichholtz – Timeless elegance for smaller-scale sleeping solutions
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Uttermost – Functional style with modern appeal
Final Tip
When shopping for small double beds, don’t forget to consider the headboard width, underbed storage clearance, and mattress depth, especially if you’re tight on space or working with built-in wardrobes.
