What is the best mattress in the UK right now?

After sleeping on them, there is still not one winner for every bedroom. Most people buying a boxed hybrid in 2026 should start with the Emma Original on a sale and use the 200-night trial — bounce, motion isolation, easy first week. Want a more hotel-spring feel and a firmer edge? We would send you to the Simba Hybrid. Want British-made pocket springs and a shorter trial? That is Silentnight. Use the Top 6, then the brand hubs, then the shop link.

What size mattress should I buy in the UK?

UK sizes are not US or EU sizes. A UK double is 135 × 190 cm (4ft 6in × 6ft 3in). A king is 150 × 200 cm. A super king is 180 × 200 cm. Couples who move a lot usually want king or super king if the room can take it — leave roughly 60 cm to walk around. Measure the frame and the door before you order a boxed hybrid. Already on a King frame? Use the Best King Size page for which model to buy.

How long are UK mattress trials — and what about Silentnight?

Most boxed brands here (Emma, Simba, Eve, Nectar, OTTY) advertise a 200-night home trial, usually with a minimum-use period before you can send it back. Silentnight’s current UK trial on the models we list is 60 nights. Returns are typically collected; they are not a showroom swap. Read the brand’s own terms before you rely on a banner.

How do you actually test a mattress?

Sarah Mitchell (62 kg, side), James Wright (86 kg, back/side), Emma Thompson (71 kg, side-dominant), David Patel (104 kg, back) and Rachel Adams (68 kg, mixed positions) sleep on them in real bedrooms. We compare firmness, cooling, edge sit, and whether a partner rolling over travels.

What is the best mattress for back pain in the UK?

Buy Emma Original first unless your weight says otherwise. James at 86 kg is the default. Heavier / more stop: Simba Hybrid Pro. Longest undo button: Nectar Memory Foam (365 nights). See Best mattress for back pain UK for the shop shortlist.

Slept on by our UK testing team — 2026

Best Mattress UK 2026: pick from our Top 6

Our testers slept on them. Compare the six we’d still buy — then check live UK prices.

2-minute quiz

Real nights, not a showroom sit

Firmness, cooling, edge, motion

Who it’s for — and who should skip it

Filters:

6 mattresses found

6 results

Top 6 UK mattresses

Our 2026 shortlist for UK shoppers

Emma, Simba, Eve, Nectar, OTTY, Silentnight. Check Price opens the official shop. Read our review if you want the night notes first.

Select up to 3 to compare side-by-side — feel, trial length and price.

Emma

Emma Original

Bestseller33% OFF

Emma Original

4.8(12,453 verified reviews)

£499£749

Double size

Award-winning Emma hybrid for all-around comfort, couples, and back-pain sufferers. The UK’s most popular boxed mattress.

TypeHybrid

Firmness

7/10

Trial Period200 nights

Best ForSide, Back sleepers

Key Features

AeroFlex pocket springs
Memory foam layers
7 support zones
Which? Best Buy

Ideal For

Pressure ReliefMotion IsolationBack Pain Relief

Free next-day delivery10 years warranty

Read our review Check Price

Simba

Simba Hybrid

4.6(6,234 verified reviews)

£799

Double size

Core Simba hybrid for all sleep positions and couples, with graphite-infused cooling foam.

TypeHybrid

Firmness

5/10

Trial Period200 nights

Best ForSide, Back sleepers

Key Features

2,500 Aerocoil springs
Graphite-infused foam
Open-cell technology

Ideal For

Pressure ReliefCoolingMotion Isolation

Free delivery within 3-5 days10 years warranty

Read our review Check Price

Eve

Eve Original Hybrid

4.3(568 verified reviews)

£699

Double size

Eve’s current UK Original Hybrid: 25cm of EveComfort and memory foam over 800+ full-size 12cm pocket springs. Medium-firm, 200-night trial. Not the all-foam Original.

TypeHybrid

Firmness

7/10

Trial Period200 nights

Best ForSide, Back sleepers

Key Features

25cm hybrid
800+ 12cm pocket springs
EveComfort + memory foam
Which? Best Buy

Ideal For

Pressure ReliefMotion IsolationBack Pain Relief

Free delivery to your room10 years warranty

Read our review Check Price

Nectar

Nectar Hybrid

4.6(4,321 verified reviews)

£749

Double size

Nectar hybrid for couples and combination sleepers, with gel memory foam over pocket springs.

TypeHybrid

Firmness

5/10

Trial Period365 nights

Best ForSide, Back sleepers

Key Features

Pocket spring base
Gel memory foam
Reinforced edge support

Ideal For

Motion IsolationPressure ReliefBack Pain Relief

Free delivery within 2-5 daysForever warranty warranty

Read our review Check Price

OTTY

OTTY Original Hybrid

Bestseller

OTTY Original Hybrid

4.4(5,643 verified reviews)

£499.99

Double size

OTTY’s flagship boxed hybrid — the default pick for mixed positions. Original Ice is a cover option, not a separate mattress.

TypeHybrid

Firmness

7/10

Trial Period100 nights

Best ForSide, Back sleepers

Key Features

Up to 2,000 × 16cm pocket springs
Knitted cover plus Airflow
The OTTY most people should try

Ideal For

Pressure ReliefCoolingMotion Isolation

Free 2-man delivery10 years warranty

Read our review Check Price

Silentnight

Silentnight UltraGel Cool-to-touch 3000

4(1 verified reviews)

£789

Double size

Current Silentnight UK UltraGel Cool-to-touch 3000 — not the older Geltex Ultra 3000. We have not slept on this one yet.

TypeHybrid

Firmness

7/10

Trial Period60 nights

Best ForSide, Back sleepers

Key Features

3000 springs (2000 Mirapocket + 1000 mini)
UltraGel™ cool-to-touch + SensICE™
Plush pillowtop · Soft or Firm

Ideal For

CoolingPressure Relief

Made to order · about 14 days5 years warranty

Read our review Check Price

Still deciding the brand?

Three doors. Pick one and shop.

Our UK testers slept the ranges. These are the default models we would actually buy. Frame is already King? Which King to buy.

Emma

Start here: Original

The boxed hybrid most people should try. 200-night trial. Check the live sale before you pay RRP.

Check Emma prices Which Emma?

Simba

Start here: Hybrid

More hotel-spring bounce and a firmer edge than Emma. Climb to Pro only if you still wanted more.

Check Simba prices Which Simba?

Silentnight

British-made pocket springs

Different morning feel to a boxed hybrid. 60-night trial. Read the range, then check the price.

Check Silentnight prices Which Silentnight?

Cheap mattress UK — under £500 →Best mattress for back pain UK →

How we actually test

Hands-on nights from a named team

We do not run a laboratory. Our UK testing team sleeps on the beds, compares how they feel, and tells you who each one suits.

Named testers

Nights

Real bedrooms, not a lab

Positions we actually sleep

Paid placements

We sleep on them

James Wright (86 kg, back/side) leads. Sarah, Emma, David and Rachel take the same bed into real bedrooms rather than a showroom for ten minutes. If a shoulder perches or a hip hammocks, we write that down.

Feel, firmness, cooling, edge, motion

Sarah Mitchell (62 kg, side) checks shoulder sink. David Patel (104 kg, back) checks lumbar. Rachel Adams is the hammock veto. Emma Thompson (71 kg, side-dominant) flags heat. We sit the edge in the morning and notice if a partner rolling over travels.

Then we say who it is for

A 62 kg side sleeper and a 104 kg back sleeper will not agree — that 42 kg gap is the point. We pair the night with the UK facts you can check for yourself: trial length, size, height and the live shop price.

Meet the testing team

The same five people you see across the site: published weights, different sleep positions, illustrated portraits. Sarah at 62 kg and David at 104 kg are 42 kg apart — the same mattress can be a yes and a no. That disagreement is the review.