Wooden Bed Frames

UK Bed and Mattress Sizes Guide
Choosing the right bed size affects sleep quality, storage, and how well your room works day to day. UK bed sizes follow set standards. When you buy the correct size, your mattress fits your frame exactly. You sleep better. You avoid wasted space.
At onlineand.direct, every bed and mattress matches official UK dimensions. No gaps. No overhang. No awkward corners. Each bed supports proper posture and adds practical storage.
This guide covers all UK bed and mattress sizes. Use it to choose the right option for your room and your routine.
UK Bed and Mattress Sizes Chart
Small Single Bed
75cm x 190cm
2ft 6in x 6ft 3in
Single Bed
90cm x 190cm
3ft x 6ft 3in
Small Double Bed also called Queen
120cm x 190cm
4ft x 6ft 3in
Double Bed
135cm x 190cm
4ft 6in x 6ft 3in
King Size Bed
150cm x 200cm
5ft x 6ft 6in
Super King Size Bed
180cm x 200cm
6ft x 6ft 6in
Small Single Bed Size Guide
Best for children, guest rooms, bunk beds.
A small single bed works well in narrow rooms. It suits toddlers moving from a cot and younger children who need comfort without wasted space. This size fits box rooms and shared bedrooms.
Common uses
• Children’s bedrooms
• Bunk beds
• Guest rooms with limited floor space
Single Bed Size Guide
Best for teenagers, adults sleeping alone, spare rooms.
A single bed gives more width than a small single while staying compact. It suits teens and adults in smaller bedrooms. This size remains one of the most searched UK mattress sizes.
Common uses
• Teen bedrooms
• Student rooms
• Guest rooms
Small Double Bed Size Guide
Best for solo sleepers wanting extra space or couples in smaller homes.
A small double bed gives one sleeper room to stretch. It also works for couples in flats where space matters. This size balances comfort and floor space.
Common uses
• One adult who wants space
• Couples in compact bedrooms
Double Bed Size Guide
Best for couples or single sleepers wanting room.
The double bed remains the most popular UK bed size. It fits most bedrooms and supports two adults comfortably. It also works well for one sleeper who prefers more width.
Common uses
• Main bedrooms
• Guest bedrooms
• Couples
King Size Bed Guide
Best for couples wanting space and taller sleepers.
A king size bed adds extra length and width. It suits taller people and couples who move during sleep. It also allows space for children or pets joining overnight.
Common uses
• Master bedrooms
• Couples needing legroom
Super King Size Bed Guide
Best for maximum comfort and family sleeping.
The super king bed offers the largest standard UK mattress size. It delivers hotel style comfort at home. This size suits families, co sleeping, and sleepers who want unrestricted space.
Common uses
• Large master bedrooms
• Families sharing sleep space
Why Mattress Size Matters
The right mattress size supports sleep quality and posture. A mattress that feels tight affects movement and rest.
Key reasons size matters
• Better sleep movement for couples
• Proper body support reduces pressure points
• Exact fit with UK bed frames
• Smarter use of bedroom space
All mattresses at onlineand.direct follow UK sizing standards. Each one pairs perfectly with our ottoman bed frames. You gain comfort and hidden storage in one solution.
Shop Beds and Mattresses by Size at onlineand.direct
We help you choose a size and a smarter way to sleep. Every bed combines storage, support, and long term build quality.
What you get
• Free two man delivery to your room
• UK standard bed and mattress sizing
• Storage options in every size
• Handcrafted UK beds
• Reliable support
Choosing the Right Size
If you feel unsure, speak to our team. We help customers choose beds every day. From spare rooms to full upgrades, we guide you toward the right size for your space and sleep habits.
Getting the size right shapes how you sleep every night. Use this guide as your starting point. Choose a bed that fits your room and supports how you live.
onlineand.direct builds beds that work harder. Every size. Storage included. Delivered with care.