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22 March 2026

Bed Frame Sizes: Your Practical UK Guide

UK single bed frame in a kids bedroom showing space-saving layout
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Amy - Content Creator

Choosing the right bed frame size is essential for comfort, style, and making the most of your bedroom space. Understanding standard UK bed frame sizes helps you pick the perfect fit for your mattress and room layout. This guide covers all key measurements in centimetres (with inches), including single, double, king, and super king options.

Here’s a practical dimension table for common UK bed frames:

 

Bed Type Frame Width Frame Length Mattress Size Notes
Single 90 cm (35.5″) 190 cm (75″) 90×190 cm (35×75″) Ideal for small bedrooms or children
Small Double 120 cm (47″) 190 cm (75″) 120×190 cm (47×75″) Fits single sleepers wanting extra space
Double 135 cm (53″) 190 cm (75″) 135×190 cm (53×75″) Standard for couples
King 150 cm (59″) 200 cm (79″) 150×200 cm (59×79″) Comfortable for taller sleepers
Super King 180 cm (71″) 200 cm (79″) 180×200 cm (71×79″) Luxurious option for master bedrooms

 

Tip: Always allow extra clearance around your bed frame for walking and bedside tables.

 

Choosing the Right Bed Frame for Your Mattress

1. Match mattress and frame sizes

A mattress should fit snugly within the frame. Oversized frames can create gaps; too small a frame can compress the mattress edges.

2. Consider room layout

Measure your bedroom first. A small double may be perfect for a guest room, while a super king suits spacious master bedrooms.

3. Style and functionality

  • Storage frames: Lift-up bases or drawers

  • Platform frames: No need for box springs

  • Divan beds: Integrated base and mattress combo

Comparison Table: Standard UK Beds vs. Mattress Sizes

 

Bed Type Frame Width Mattress Width Frame Length Mattress Length
Single 90 cm 90 cm 190 cm 190 cm
Small Double 120 cm 120 cm 190 cm 190 cm
Double 135 cm 135 cm 190 cm 190 cm
King 150 cm 150 cm 200 cm 200 cm
Super King 180 cm 180 cm 200 cm 200 cm

FAQs

Q1: What is the standard UK single bed size?
A1: A standard UK single bed is 90×190 cm (35×75″).

Q2: Can a mattress be larger than the frame?
A2: No, the mattress should fit within the frame. Oversized mattresses can be uncomfortable and damage the bed frame.

Q3: How much space should I leave around a bed?
A3: Ideally, allow at least 60 cm (24″) of clearance for walking and bedside tables.

Q4: Are small double beds suitable for adults?
A4: Yes, a small double is perfect for single adults who prefer extra space or a compact guest room setup.

Q5: What is the difference between a king and super king bed?
A5: A king measures 150×200 cm (59×79″), while a super king is 180×200 cm (71×79″), offering more sleeping space.

Q6: Do divan beds come in all UK sizes?
A6: Yes, divan beds are available in single, small double, double, king, and super king sizes.

Ready to find your perfect fit? Browse our full bed frame ranges or book a quick sizing consultation to ensure your mattress and frame match flawlessly.

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Amy
Content Creator

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