Choosing the right single mattress UK buyers can trust makes a big difference to sleep quality. This guide helps you pick the correct size, material, firmness and budget for children’s rooms, guest beds and compact flats.
- TL;DR: Standard UK single is 90x190cm; choose pocket spring for support, memory foam for pressure relief, and open coil for budget.
- Consider height, sleeping position and room size first.
- Expect to pay under £500 for basic options, £750+ for better pocket-sprung models.
Single mattress UK: sizes and suitability
Summary: The standard single mattress in the UK measures 90cm x 190cm.
Definition: A single mattress in the UK equals 3ft by 6ft 3in. A small single (75cm x 190cm) exists for narrow spaces. Use a small single for toddlers or very narrow rooms.
Standard dimensions
Summary: Know the three common sizes before you buy.
Common sizes: Small single (75x190cm), Single (90x190cm), and Long single (90x200cm). *Measure the bed frame and room doorway before ordering.*
Who is a single mattress best suited for?
Summary: Single mattresses suit children, teens and adults under six foot.
Examples: Perfect for kids’ bedrooms, guest rooms and studio flats. Adults over six foot may find a long single more comfortable.
Mattress types and technologies
Summary: Pick a mattress by how it supports and regulates temperature.
Types shape comfort and durability. Below are short comparisons of the most common single mattress types in the UK.
Pocket sprung
Summary: Pocket springs give targeted support and breathability.
Definition: Individual springs sit in fabric pockets. They limit motion transfer and suit back sleepers. *Pocket sprung works well for adults seeking support.*
Memory foam
Summary: Memory foam excels at pressure relief but can retain heat.
Definition: Foam contours to you and reduces pressure points. Choose gel-infused variants to reduce overheating.
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Open coil and budget foams
Summary: Open coil is affordable but less durable.
Definition: Open-coil mattresses use interconnected springs. Use them for guest rooms or short-term needs.
Latex and hybrid
Summary: Latex feels bouncy and is often hypoallergenic.
Definition: Natural latex resists dust mites and suits allergy sufferers. Hybrid combines foam with pocket springs for balanced comfort.
Comfort, health and firmness
Summary: Firmness affects spinal alignment and long-term comfort.
Side sleepers often prefer a softer to medium feel. Back and stomach sleepers usually need medium to firm support. *Select a firmness that keeps your spine neutral.*
Overheating and allergies
Summary: Choose breathable materials to reduce heat build-up.
Tips: Look for pocket springs, gel-infused foam or breathable covers. Natural latex and hypoallergenic covers help allergy sufferers stay comfortable.
Budget and durability
Summary: Price generally reflects materials and longevity.
Expect under £500 for entry-level foam or open-coil mattresses. Spend £750+ for entry-level pocket-sprung models and £1,000+ for higher-end options. *More money usually buys better support and longer life.*
Best budget options
Summary: Budget picks suit guest rooms and short-term use.
Look for reinforced edges and decent warranty even at lower prices. Somna Beds lists several affordable single mattresses with a 5-year warranty for peace of mind.
Buying process, trials and guarantees
Summary: Buy from retailers that offer trials and clear returns.
Check trial length, delivery times and warranty cover. The UK Sleep Council and Which? offer independent advice on mattress buying and warranty reading: Sleep Council.
Quick picks for single mattress UK shoppers
- Best for support: medium-firm pocket sprung model.
- Best for budget: open coil with reinforced edges.
- Best for allergies: natural latex or washable cover mattress.
Summary
Choose a single mattress UK shoppers rely on by matching size, type and firmness to needs. Measure first, consider sleeping position, and prioritise breathable materials for comfort.
FAQs
What is the standard UK single mattress size?
The standard UK single mattress is 90cm x 190cm (3ft x 6ft 3in).
Can a single mattress fit an adult?
Yes, adults under six foot will usually find a single mattress comfortable.
How long should a single mattress last?
A quality single mattress lasts 6 to 10 years depending on materials and use.