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Size Guide

Understanding UK Bed Sizes

UK bed sizes follow specific national measurements that differ from European and American sizing. Each size has its own recommended room space and suitability depending on sleeping habits, height and room layout.
Below are the standard UK measurements

Single, Small Double, Double, King, Super King

All measurements shown are approximate and may vary slightly based on design, upholstery and frame style.

Single Size

Approximate mattress size 90 cm wide 190 cm long Best for children teenagers guest rooms single sleepers with limited space A Single bed is designed for one person and works well in compact rooms. It offers enough length for most sleepers and fits comfortably in narrow layouts. Suggested minimum room size 2 metres by 3 metres

Small Double Size

Approximate mattress size 120 cm wide 190 cm long Best for single adults who want extra space smaller double rooms guest rooms spaces where a full Double feels too large A Small Double provides more comfort than a Single while keeping its footprint manageable. It is a popular choice for rented properties and modern flats with limited bedroom width. Suggested minimum room size 2.5 metres by 3 metres

Double Size

Approximate mattress size 135 cm wide 190 cm long Best for couples spare rooms main bedrooms in smaller homes The Double is the most common UK bed size. It offers a balanced amount of space and suits most sleeping positions. Ideal for couples who want a practical, cost-effective option. Suggested minimum room size 3 metres by 3 metres

King Size

Approximate mattress size 150 cm wide 200 cm long Best for couples who want more personal space taller sleepers larger bedrooms comfort seekers The King adds extra width and length, creating a more luxurious sleeping area. It works well in master bedrooms and provides plenty of room to stretch out without disturbing your partner. Suggested minimum room size 3.5 metres by 3.5 metres

Super King Size

Approximate mattress size 180 cm wide 200 cm long Best for families with young children who join in the mornings couples who want maximum space larger master bedrooms premium comfort The Super King is the largest standard UK bed size. It delivers exceptional comfort and space, especially for taller or broader sleepers. Ideal for homes with generous room dimensions. Suggested minimum room size 4 metres by 4 metres

Choosing the Right Size for Your Room

To ensure the best fit, remember the following
Leave walking space around the bed
Make sure doors, wardrobes and drawers can open freely
Allow room for bedside tables or storage
Avoid placing the bed too close to radiators or damp walls
A good rule is to leave at least 50 cm of circulation space on both sides of the bed.

 

Height and Frame Considerations

Bed height affects comfort, storage and room aesthetics
Lower beds create a modern look and open the room visually
Higher beds provide extra under-bed storage and easier access
Upholstered frames may be wider due to fabric padding
Ottoman beds require space to lift safely
Always check the full product dimensions shown on each listing.

 

Mattress Depth Guide

Mattress depth influences support and feel
20 to 25 cm
good support for most sleepers
25 to 30 cm
premium feel with deeper comfort layers
30 cm or more
luxury and hotel-style comfort
Deeper mattresses may sit higher on ottoman or divan bases.

 

Tips for Measuring Your Space

Measure twice to avoid mistakes
Note any tight corners or staircases for delivery
Check access routes including hallways and lifts
Consider headboard height if you have low ceilings or sloped walls
Place masking tape on the floor to visualise the bed size before ordering
Taking the time to measure properly helps avoid returns, delays and access issues.

 

Still Unsure Which Size to Choose

If you are unsure about which size suits your room or lifestyle, email us at info@roylebeds.co.uk with your room measurements and preferred sleeping style. Our team will help you choose the most comfortable and practical option.

 

Our Promise

We want your bed to feel right from the moment it arrives. This guide is designed to support your decision and ensure your new furniture fits perfectly in your home.