Thinking of a Double Bed? Here is the UK Size Guide You Actually Need

March 13, 2026
Posted by Mairki Ltd

A Guide to UK Double Bed Sizes: Finding Your Perfect Fit

In the United Kingdom, the standard double bed is the most popular choice for couples and solo sleepers alike, offering a balance between sleeping comfort and bedroom floor space. Understanding the exact dimensions is crucial for choosing the right mattress, bed frame, and bedding.

Standard Double Bed Dimensions in Feet and CM

A standard UK double bed and mattress measure 4 feet 6 inches wide by 6 feet 3 inches long (\(135\text{\ cm}\times 190\text{\ cm}\)).

Unit	Width	Length
Imperial	4' 6"	6' 3"
Metric	135 cm	190 cm

This provides approximately 2 feet 3 inches (67.5 cm) of space for each person when shared by a couple.

Small Double (Queen) Dimensions

For smaller bedrooms or guest rooms, the small double (often called a queen or three-quarter bed) is a space-saving alternative. It maintains the same length as a standard double but is slightly narrower.

Dimensions: 4 feet wide by 6 feet 3 inches long (\(120\text{\ cm}\times 190\text{\ cm}\)).
Best For: Solo sleepers who want more room than a single, or occasional use for couples in tight spaces.

Why Choose Mairki Beds?

When looking for high-quality beds in the UK, Mairki Beds is a leading online retailer. They are known for providing a wide range of stylish, modern, and affordable designs, including:

Diverse Selection: From luxury and Ambassador beds to practical storage and Ottoman beds.
Quality Craftsmanship: Their products are recognised for durable materials and high-quality construction.
For a bold call-to-action: "Experience Luxury Without the Wait: Enjoy rapid, UK-wide delivery and expert support from our top-rated customer service team.

Key Tips for Buying a Double Bed

Measure the Frame: Always check the external dimensions of the bed frame, as these are often larger than the standard mattress size (135 cm x 190 cm).
Height Matters: If you are taller than 5' 11" (180 cm), your feet may dangle off a standard 6' 3" double bed; in this case, a King Size bed (6' 6" long) may be a better fit.
For a clear warning: "Pro-Tip on Bedding: Always verify that your duvet and sheets are UK-standard, as larger European (IKEA) sizes will not provide a snug fit on these frames."