UK Children’s Bed Sizes and Room Space Guide
Choosing the right bed for your child starts with understanding UK bed sizes and how they fit into modern homes. With many UK bedrooms measuring under 10 square metres, selecting the correct size is essential for maintaining comfort, safety, and usable floor space. The right bed should support sleep, storage, and everyday movement without overwhelming the room.
This Snuglee guide explains common UK children’s bed sizes and how to plan room space effectively, with a focus on single, small double, and double beds.
UK Children’s Bed Sizes Explained

UK children’s beds come in several standard sizes, each suited to different ages and room layouts. Choosing the smallest appropriate size helps preserve valuable space while still meeting comfort needs.
Standard UK Bed Sizes for Children and Teens
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Cot Bed – 70 × 140 cm (Age 0–3)
Designed for babies and toddlers, often converting into a toddler bed. -
Toddler Bed – 70 × 140 cm (Age 2–4)
A compact option for young children transitioning from a cot. -
Small Single Bed – 75 × 190 cm (2’6” × 6’3”)
A practical choice for most UK children’s bedrooms, especially in rooms under 9m². -
Standard Single Bed – 90 × 190 cm (3’0” × 6’3”)
Suitable for older children and teenagers who need more sleeping space. -
Small Double Bed – 120 × 190 cm (4’0” × 6’3”)
Commonly used for teenagers, offering extra width while still fitting many UK bedrooms. -
Double Bed – 135 × 190 cm (4’6” × 6’3”)
Best suited to larger bedrooms, where there is sufficient space for circulation and storage.

Room Space Considerations for Children’s Bedrooms
Minimum and Comfortable Room Sizes
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Minimum suitable room size: 4.65 m² (50 sq ft)
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Typical minimum practical size: 3 × 2 m (6 m²)
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More comfortable layout: 3.6 × 2.6 m (9.36 m²), allowing space for a bed, desk, and storage
Single beds work well in smaller rooms, while small double and double beds require more careful planning to maintain balance and usability.
Planning Space Around the Bed
Regardless of bed size, circulation space is essential for safety and comfort.
Recommended Clearances
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Allow 50–60 cm of walking space around the bed
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Ensure wardrobes, drawers, and doors can open fully
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Avoid blocking windows, radiators, or access points
In compact bedrooms, a single or small double bed often allows more flexibility for storage and study areas than a larger bed.

Space-Saving Bed Solutions for UK Homes
When floor space is limited, choosing the right bed design is just as important as size.
Practical Space-Saving Options
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Mid-sleeper and high-sleeper beds: Create storage or desk space underneath
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Trundle beds: Provide an additional sleeping option without permanent space loss
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Bunk beds: Maximise floor space in shared bedrooms
These designs are especially effective in rooms under 9m², where maximising usable space is key.
Find the Top space-saving ideas for children 's rooms
In many UK homes, a standard single or small double bed offers the best long-term balance between comfort and space efficiency.

When choosing a children’s bed, safety is just as important as size and layout. All beds should comply with UK safety standards, which set requirements for structural strength, guard rails, spacing, and the use of non-toxic materials. These standards help reduce risks such as falls, entrapment, and sharp edges, ensuring beds are suitable for everyday use by children.
Final Thoughts
Choosing the right bed size is about fitting the room as much as the child. In UK homes, single beds remain the most versatile option, while small double and double beds work best where room size allows for proper circulation and storage.
By understanding UK bed sizes and planning your space carefully, you can create a bedroom that feels comfortable, organised, and ready to grow with your child.
FAQs
What are the standard UK children’s bed sizes?
Standard UK children’s bed sizes include cot and toddler beds at 70 × 140 cm, small single beds at 75 × 190 cm, single beds at 90 × 190 cm, small double beds at 120 × 190 cm, and double beds at 135 × 190 cm. Single, small double, and double beds are the most commonly used sizes in UK homes.
Which bed size is best for a small child’s bedroom in the UK?
For small UK bedrooms, a small single (75 × 190 cm) or single bed (90 × 190 cm) is usually the best choice. These sizes provide comfortable sleeping space while allowing room for storage, desks, and safe movement.
How much space should be left around a child’s bed?
You should leave at least 50–60 cm of clear space around a child’s bed. This allows safe walking space and ensures drawers, wardrobes, and doors can open fully.
What is the minimum bedroom size for a child in the UK?
The minimum recommended bedroom size for a child in the UK is 4.65 square metres (50 sq ft). A room of 6 square metres or more is more practical for fitting a bed and basic furniture comfortably.
Can a double bed fit in a child’s bedroom?
A double bed (135 × 190 cm) can fit in a child’s bedroom if the room is 10 square metres or larger. In smaller rooms, a single or small double bed usually provides better space efficiency.
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