King Size Beds and Mattress UK – Comfort & Luxury Sleep

Shop king size beds and mattresses in the UK. Discover the perfect size, comfort, and style for a restful sleep and a stylish bedroom.

A king-size bed and mattress in the UK are designed for comfort, space, and improved sleep quality. With a standard size of 150cm x 200cm (5ft x 6ft 6in), it gives couples more room to move without disturbing each other.

These beds are ideal for master bedrooms, offering a balance of luxury, support, and practicality. From Ottoman storage beds to pocket sprung mattresses, you get both comfort and function in one setup.

Understanding UK King Size Dimensions vs Euro King

A UK king size bed measures 150cm x 200cm, while a Euro king is slightly wider at 160cm x 200cm.

This small difference matters when buying:

• UK king bedding fits a 150cm width
• Euro sizes may need different sheets
• Bed frames and mattresses are not always interchangeable

Compared to a UK double (135cm wide), a king gives 15cm extra space, which improves sleep comfort, especially for couples.

Choosing the Right Mattress Type for a King Size Bed

 

Pocket Sprung Mattress

A pocket sprung mattress uses individual springs for better motion isolation. This reduces partner disturbance and improves support.

Memory Foam Mattress

A memory foam mattress shapes to your body, helping with pressure relief and spinal alignment. Ideal for back and side sleepers.

Hybrid Mattress

A hybrid mattress UK combines springs and foam. You get both support and comfort, making it a balanced choice.

Orthopaedic & Pillow-Top Options

• Orthopaedic mattresses support back pain relief
• Pillow-top layers add extra softness and comfort
• Cooling gel and breathable fabrics help regulate temperature

Popular UK King Bed Frame Styles

 

Ottoman King Size Beds

Ottoman beds lift to reveal full under-bed storage. Perfect for space-saving bedrooms and clutter control.

Divan Bases

Divan beds are compact and often include drawers. They are ideal for simple setups and practical storage.

Upholstered & Wingback Beds

Soft fabric or velvet upholstered beds add a luxury feel. Wingback designs create a bold bedroom focal point.

Metal & Wooden Frames

• Wooden beds offer durability and a warm look
• Metal frames suit modern, minimalist interiors

Zip and Link Beds

A zip and link king bed splits into two singles. This is useful for narrow spaces or flexible sleeping arrangements.

How to Style Your King Size Bed

Styling your king size bed in the UK improves both comfort and visual appeal.

The Base Layer

Start with a fitted sheet. Use deep-pocket sheets for mattresses over 30cm thick.

The Comfort Layer

Add a king size duvet (225cm x 220cm or 230cm x 220cm) for full coverage.

The Pillow Setup

• 2 king pillows (50x90cm)
• Standard pillows for sleeping
• Cushions for decoration

The Finishing Touch

Add throws or bedspreads for texture. This creates a hotel-style bedroom look.

Will a King Size Bed Fit Your Room?

A king size bed frame UK works best in rooms at least 3.5m x 4m.

Make sure you have:

• 60cm space around the bed
• Room for drawers or ottoman lift
• Enough walking space

This prevents your bedroom from feeling cramped and improves usability.

Storage Options in King Size Beds

Storage is a key benefit of modern king size beds in the UK.

• Drawer storage → easy access but limited space
• Ottoman storage → full under-bed storage
• Divan storage → compact and functional

If you need maximum storage, ottoman beds are the best choice.

Bedding Essentials for King Size Beds

To complete your setup, you need the right bedding:

• Fitted sheets → standard or extra deep
• Duvets → 225x220cm or 230x220cm
• Mattress protectors → improve hygiene and durability
• Pillowcases → match king or standard pillows

These essentials improve both sleep comfort and mattress lifespan.

Health, Comfort, and Sleep Benefits

A king size mattress UK supports better sleep in many ways:

• Reduces partner disturbance with motion isolation
• Improves spinal alignment and posture
• Offers edge-to-edge support for full use of space
• Supports back pain relief with orthopaedic options
• Hypoallergenic materials help reduce allergens

This makes king beds ideal for long-term comfort and health.

Why Upgrade from a Double to a King Size Bed?

Upgrading from a double gives you:

• More personal sleeping space
• Better comfort for couples
• Improved sleep quality
• A more premium bedroom feel

Even a 15cm width increase makes a noticeable difference in daily comfort.

UK King vs Super King – Quick Comparison

Choosing between a UK king and a super king depends on your room size and comfort needs. This quick comparison helps you understand the key differences and pick the right option.

Feature	UK King Size	UK Super King
Width	150cm (5ft)	180cm (6ft)
Length	200cm	200cm
Best For	Couples, small master rooms	Large rooms, families
Space Feel	Balanced	Maximum luxury

 

What to Look for Before Buying a King Size Bed and Mattress in the UK

Mattress Type

Choose between memory foam, hybrid, or pocket sprung mattresses based on comfort, support, and sleep style.

Storage Needs

Decide if you need ottoman storage or drawer options to keep your bedroom organized and clutter-free.

Room Size and Layout

Measure your space carefully to ensure the bed fits well and allows easy movement around the room.

Mattress Depth and Sheet Compatibility

Check mattress thickness and use fitted or deep-pocket sheets that match your bed size properly.

Delivery Options

Look for fast UK delivery, easy setup, or bed-in-a-box options for convenience and smooth installation.

Who Should Choose a King Size Bed?

A king size bed UK is perfect for:

• Couples needing more space
• Taller sleepers
• People with back pain
• Families with kids joining occasionally
• Anyone creating a luxury bedroom setup

FAQs

How long is a UK king size mattress?

A UK king size mattress typically measures 200 cm (6ft 6in) in length, providing ample space for two adults to sleep comfortably without feeling cramped.

How many can a king size bed fit?

A standard UK king size bed comfortably fits two adults, giving enough room to stretch and move, while still being cozy enough for couples who like to share space.

How wide is a king size bed?

UK king size beds are usually 150 cm (5ft) wide, offering plenty of sleeping space for two adults while fitting well into most master bedrooms and spacious guest rooms.

Is a king size bed different in the UK?

Yes, UK king beds differ from US sizes. UK king beds are 150 cm wide and 200 cm long, slightly narrower than US kings, but still offer generous space for two sleepers.

What does a king size bed mean?

A king size bed is a large double bed designed to offer maximum comfort for two adults. It provides extra width and length compared to standard double beds for a luxurious sleep experience.

How to move a king size bed easily?

To move a king size bed, use multiple people, bed sliders, or furniture trolleys. Remove the mattress if possible, disassemble the frame, and carefully navigate corners to prevent damage.

Can you fold a king mattress?

Most king size mattresses are not foldable due to size and construction. Flexible memory foam options exist, but traditional sprung or hybrid mattresses must remain flat during use and transport.

How do you make a bed wider?

You can make a bed wider using bed extenders or additional side rails. Alternatively, combine two single mattresses on a base to create a king size sleeping area for more room.

How heavy is a king-size mattress?

A standard UK king mattress weighs between 50–70 kg, depending on materials, type, and thickness. Foam mattresses are lighter, while hybrid or sprung options can be heavier.