Small Double Mattresses

Shop small double mattresses in the UK, sized at 120 x 190cm to fit a standard small double bed frame. Available in memory foam, pocket sprung, and hybrid options across a range of firmness levels to suit different sleeping styles.

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    Salome Aloe Vera Memory Sprung Orthopaedic Mattress

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    Rhianna Grand Memory Foam Back Support Mattress

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    Nehemiah Grand Memory Foam Pillow Top Mattress

    Luxury Memory Foam Pillow Top Mattress The Nehemiah Grand Memory Foam Pillow Top…

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    Mia Bella Open Coil Sprung Mattress

    Classic Open Coil Sprung Mattress for Everyday Comfort The Mia Bella Open Coil…

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    Eva Essential Pillow Top Mattress

    Essential Pillow Top Mattress for Added Softness The Eva Essential Pillow Top Mattress…

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    Eva Essential Back Support Mattress

    Essential Back Support Mattress with Firm Comfort The Eva Essential Back Support Mattress…

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Designed for modern living

Small Double Mattresses: The Right Size for Compact Bedrooms

A small double mattress measures 120 x 190cm, sitting between a single and a full double in both width and sleeping space. It is a size that gets overlooked in favour of the standard double, but for the right room and the right sleeper, it is often the better choice.

The most common use case is a solo sleeper who wants noticeably more space than a single without the full footprint of a double. A small double gives around 30cm of extra width compared to a single, which makes a real difference in terms of comfort and freedom of movement during the night. For a bedroom where a standard double would leave the room feeling cramped or leave too little clearance around the bed, the small double is a practical step up.

It is also a popular choice for guest rooms. A small double gives visitors considerably more comfort than a single bed, handles two adults at a push, and keeps more floor space available than a full double would. In rooms that need to serve multiple purposes, this balance of sleeping capacity and space efficiency is genuinely useful.

In terms of mattress type, the same considerations apply as with any size. Pocket sprung small double mattresses suit those who prefer a more responsive, breathable feel with good motion isolation. Memory foam suits those who sleep on their side or experience pressure discomfort, as it contours around the body more closely. Hybrid versions offer a middle ground with sprung support underneath and foam comfort layers above.

When buying a small double mattress, always confirm the exact dimensions of your bed frame before ordering. Some older or European bed frames labelled as small double may have slightly different internal dimensions that do not match the standard UK small double size.

Customer support

Frequently Asked Questions

A standard UK small double mattress measures 120 x 190cm, also referred to as a 4ft mattress. Always check the internal dimensions of your bed frame before ordering to ensure a proper fit.

A small double can accommodate two adults, but it is tighter than a standard double. It works best for one sleeper who wants more space than a single, or for a guest room where occasional use by two people is needed.

A small double measures 120 x 190cm while a standard double is 135 x 190cm, a difference of 15cm in width. This may not sound significant but is noticeable in everyday sleeping comfort, particularly for couples.

Memory foam and hybrid mattresses tend to suit side sleepers best, as they contour to the body and relieve pressure around the hips and shoulders. A medium firmness is a good starting point for most side sleepers.

A standard UK small double mattress will fit any UK small double bed frame. However, if your frame is older or not UK-standard, check the internal frame dimensions carefully, as slight variations can affect fit.