Size Guide

UK Mattress Topper Size Guide

Mattress Topper Size Guide

A mattress topper is a valuable addition to your bed that can enhance comfort and extend the life of your mattress. Choosing the right size for your mattress ensures a proper fit and optimal comfort. In the UK, mattress sizes can vary, so it's essential to understand the dimensions before selecting a mattress topper. This guide will provide information on standard UK mattress sizes and the types of mattress toppers available, helping you make an informed decision.

UK Mattress Size Chart

Bed Size

Mattress Topper(L x W)

Small Single

75 cm x 190 cm (2ft6 x 6ft 3in)


90cm x 190cm (3ft x 6ft 3in)

Small Double

120cm x 190cm (4ft x 6ft 3in)


135cm x 190cm (4ft 6in x 6ft 3in)


150cm x 200cm (5ft x 6ft 6in)

Super King 

180cm x 200cm (6ft x 6ft 6in)


200cm x 200cm (6ft 6in x 6ft 6in)


1. Small Single Mattress Size

Small Single Mattress Size

The usual size of a single mattress is 75 cm x 190 cm; the small single adult mattress is 15 cm thinner than that. Perfect for expanding children's rooms or extra rooms. For those who require a bed but don't want to feel crowded, it's an excellent option.

2. Single Mattress Size

Single Mattress Size

The single mattress, also known as a twin mattress, measures approximately 90cm x 190cm (3ft x 6ft 3in). It is suitable for one person and is a common choice for children and smaller guest rooms.

3. Small Double Mattress Size

Small Double Mattress Size

The small double mattress, also called a three-quarter or queen-size mattress, measures around 120cm x 190cm (4ft x 6ft 3in). It offers more space than a single mattress and is an excellent choice for teenagers or smaller bedrooms.

4. Double Mattress Size

Double Mattress Size

The double mattress measures approximately 135cm x 190cm (4ft 6in x 6ft 3in). It is designed for two people and is famous for couples or individuals who prefer extra space to stretch out.

5. King Mattress Size

King Mattress Size

The king-size mattress measures around 150cm x 200cm (5ft x 6ft 6in). It provides ample space for couples and is a popular choice for master bedrooms.

6. Super King Mattress Size

Super King Mattress Size

The super king-size mattress is one of the most extensive options, measuring approximately 180cm x 200cm (6ft x 6ft 6in). It offers an indulgent amount of space and is ideal for those who want maximum room to sleep comfortably.

7. Emperor Mattress Size

Emperor Mattress Size

The emperor mattress is even larger, measuring around 200cm x 200cm (6ft 6in x 6ft 6in). It's a luxurious choice that ensures plenty of room for a peaceful night's sleep.

8. Custom Mattress Sizes

In addition to standard sizes, you can also find custom mattress sizes tailored to specific requirements. These may vary in dimensions based on the manufacturer or individual preferences.

Types of Mattress Toppers

A. Memory Foam Mattress Toppers

Memory foam mattress toppers offer excellent support and comfort. They conform to your body's shape, relieving pressure points and promoting restful sleep. These toppers are available in various thicknesses and are famous for those seeking added comfort.

B. Latex Mattress Toppers

Latex mattress toppers are hypoallergenic and durable. They provide a responsive and supportive surface, making them an excellent choice for those with allergies or back pain.

C. Feather and Down Mattress Toppers

Feather and down mattress toppers offer a luxurious feel and added warmth. They are soft and lightweight, providing a plush surface for sleeping.

D. Wool Mattress Toppers

Wool mattress toppers are naturally breathable and temperature-regulating. They are an excellent choice for those who want a topper that can keep them cool in the summer and warm in the winter.

What is the Purpose of a Mattress Topper?

A mattress topper serves several purposes:

  1. Comfort Enhancement: Mattress toppers can make your bed more comfortable by adding a layer of cushioning and support.
  2. Pressure Relief: They help alleviate pressure points, reducing discomfort and promoting better sleep.
  3. Mattress Protection: Toppers can protect your mattress from stains, spills, and wear and tear. Buy Mattress Protector From Inspire Homeware.
  4. Temperature Regulation: Some toppers, like wool or latex, help regulate your body temperature for a more comfortable sleep.

How to Choose the Right Mattress Size?

  1. Consider Your Room Size: Measure your room to ensure your chosen bed fits comfortably.
  2. Sleeping Habits and Preferences: Consider how you sleep and your personal comfort preferences.
  3. Accommodating Partners and Pets: Consider who will share the bed, including pets, and choose a suitable size.
  4. Budget Considerations: Determine your budget and explore bed options within your price range.
  5. Test and Measure: Visit a showroom to test different bed sizes and see what feels most comfortable.

How Often Should I Replace My Mattress Topper?

The lifespan of a mattress topper depends on its quality and usage. On average, you can expect a good-quality topper to last between 3 and 5 years. Signs that it may be time for a replacement include visible wear and tear, decreased comfort, or a loss of support.


Selecting the right mattress topper size for your UK bed ensures a comfortable and supportive sleep surface. Knowing your mattress dimensions and the various types of mattress toppers available can help you make an informed choice. Additionally, a mattress topper can enhance comfort, provide pressure relief, and extend the life of your mattress, making it a valuable addition to your bedroom. Be mindful of the signs of wear and replace your topper as needed to continue enjoying restful nights of sleep.

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UK Pillow and Pillowcase Size Chart - Guide
Duvets & Duvet Cover Size Guide UK

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