Small Double Mattress Size

A small double mattress size refers to a bed mattress measuring approximately 120cm wide by 190cm long (4ft x 6ft3). It sits between a single and a standard double, offering extra space for one person or a snug fit for two. It’s ideal for guest rooms, compact bedrooms, or smaller apartments where space is limited.

Quick Facts

• Mattress size: 120cm (width) x 190cm (length)

• Bed frame size: 4ft (small double)

• Sleeps: 1–2 people

• Ideal for: Guest rooms, teenagers, and small master bedrooms

• Equivalent in Europe: Often called a “three-quarter” bed

• Common UK price range: £150–£900 depending on material and brand

Why Small Double Mattresses Are So Popular

The small double mattress is the perfect middle ground between space efficiency and comfort. It provides more sleeping room than a single mattress while taking up less space than a full double — making it an excellent option for smaller rooms without sacrificing relaxation or support.

It’s a practical solution for teenagers, couples who prefer cosier setups, or guest rooms where versatility and space-saving are key.

Common Mattress Types in Small Double Size

• Memory foam: Adapts to body shape for pressure relief.

• Pocket sprung: Combines support and airflow with individual spring movement.

• Hybrid: Merges foam comfort with spring support for the best of both worlds.

• Orthopaedic: Firmer for enhanced back and joint support.

• Gel or latex: Offers cooling properties and premium comfort.

How to Choose the Right Small Double Mattress

1. Measure your bed frame: Ensure it’s 4ft x 6ft3 (120x190cm).

2. Pick firmness level: Soft for comfort, firm for posture support.

3. Consider materials: Choose based on comfort preference and budget.

4. Think about temperature: Cooling gel or breathable fabrics prevent overheating.

5. Set your priorities: Guest room comfort vs. everyday use durability.

Styling & Practical Tips

• Pair with a matching small double bed frame for a seamless fit.

• Use a mattress protector to extend its life.

• Add premium bedding to enhance comfort and aesthetics.

• Opt for ottoman storage beds to make the most of limited space.

• Rotate regularly to maintain even wear and longevity.

Benefits at a Glance

• Compact yet comfortable sleeping solution.

• Fits perfectly in small and medium-sized bedrooms.

• Offers flexibility for solo sleepers or couples.

• Available in a wide range of comfort levels and materials.

• Ideal for modern urban living and guest accommodations.

Inspiration from Designer Brands

• Tommy Franks – handcrafted bed frames and bedroom furniture with timeless detail.

• Richmond Interiors – classic and modern designs tailored for comfort.

• Gallery Direct – practical and stylish bedroom furniture solutions.

• House of Isabella – curated small double bed collections designed for modern homes.

Common Questions

What are the dimensions of a small double mattress?
120cm wide x 190cm long (4ft x 6ft3).

Is a small double big enough for two adults?
Yes — though it offers a snug fit, it’s perfect for couples who prefer closer sleeping arrangements.

What bedding fits a small double?
Look for “small double” or “three-quarter” bedding to ensure a perfect fit.

Can I use a small double mattress on a double bed frame?
No — it will be too small. Always match the mattress size to the frame.

Is it suitable for teenagers or guest rooms?
Absolutely — it offers extra comfort and flexibility without taking up too much space.

Finishing Touch

A small double mattress offers the ideal balance of comfort, practicality, and style. Perfect for modern homes, it provides generous space for one or a cosy solution for two — all while fitting neatly into smaller bedrooms.

House of Isabella is not affiliated with any third-party brands mentioned. All trademarks remain the property of their respective owners.