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54

small double memory foam mattress

Worth a look

Shows low returns (0.9%), but soft demand (-18.7% this quarter) keeps it on the watch list.

Market size 42Growth 16Conversion 28Competition 77Returns 95Price range 35Avg price 79Brand share 79Review moat 50Quality gap 57

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Brand share

Great56%

top-5 brand share — no brand owns this niche

Avg price

Great£90.01

avg listing price — sweet spot $15–$100

Competition

Great38%

top-5 click share — an open shelf

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,527.43

avg incumbent reviews — the moat a new listing must climb

Market size

Okay£218K

£218K/yr · 108K searches

Price range

Okay£26.08–£235.87

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Okay2.2%

search→purchase rate — share of searches ending in a sale

Growth

Bad-18.7%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United Kingdom niche tracking, small double memory foam mattress is a £218K/yr Amazon United Kingdom market (108K searches/yr). The top 5 brands hold 56% of demand. Verdict: Worth a look — 54/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

small double memory foam mattress market data

Units sold / yr
2K–3K
avg 0–100/product
Revenue / yr
£180K–£225K
units × avg price
Conversion rate
2.2%
Avg BSR
#83
Page quality
0%
Prime
80%
Sponsored
91%
Out of stock
15.3%
Avg brand age
29 months
Avg seller age
181 days

Competition & brand share

Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.

Brands

24 rising

Sellers

38

Top-5 brand share

56%

Top 20: 96%

Top-5 click share

38%

Top 20: 74%

Open market

38%

  • BEDZONLINE21%
  • Hiimgo10%
  • Vesgantti10%
  • Uliyati8%
  • wowttrelax7%
  • dosleeps6%

Demand

Weekly Amazon search volume, last 32 weeks — -18.7% search growth over the last 90 days.
2K1KSpike '26Prime Day '26Dec '25Jan '26Feb '26Mar '26May '26Jun '26

Top small double memory foam mattress search terms

  • small double memory foam mattress36K/yr
  • small double matress13K/yr
  • memory foam mattress small double14K/yr
  • small double mattress memory foam7K/yr
  • small double foam mattress6K/yr
  • emma mattress small double5K/yr
  • small double hybrid mattress4K/yr
  • 4ft mattresses small double6K/yr
  • 4 ft mattress small double5K/yr
  • orthopedic mattress small double4K/yr
All search terms

Top small double memory foam mattress products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%£9K8%£17K12%£26K16%£35K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about small double memory foam mattress

What buyers praise and complain about, mined from review topics.

What buyers love

Comfort-Overall39%

“Extremely comfortable”

Value For Money16%

“Great Value”

Quality-Overall14%

“Supportive quality feel”

Foam10%

“I have been pleased with this memory foam”

Soft Feel5%

“not too soft with some of the best quality fabric Ive seen easily breathable”

Size-Overall2%

“Good size”

Thickness2%

“The top layer of memory foam is thick and comfortable and feels very durable”

Sags/Sinks1%

“I've had this for several months now and it's probably the best mattress I've ever slept on, it's comfortable and hasn't shown any signs of sagging - it still looks and feels brand new”

Advertised Vs Actual Product1%

“Exactly as described”

Strength1%

“The matress is firm”

What buyers complain about

Comfort-Overall14%

“Not very comfortable”

Quality-Overall13%

“I was sceptical about the quality of the mattress for this price”

Size-Overall7%

“Getting smaller”

Thickness7%

“Not as thick as I expected”

Foam6%

“Bad mattress”

Value For Money5%

“I was worried as is a cheaper mattresses”

Durability4%

“failed after 4 months”

Hard Feel4%

“its definitely too firm for me”

Advertised Vs Actual Product3%

“The advertisement full of wrong not as described”

Sags/Sinks3%

“It sinks far too much”

Top return reasons

Size-Overall47%
Comfort-Overall11%
Quality-Overall8%
Advertised Vs Actual Product6%
Hard Feel5%
Soft Feel4%
Thin3%
Thickness3%
Smell1%
Cushion1%

Common questions

Is small double memory foam mattress profitable to sell on Amazon United Kingdom?
The niche generates £218K/yr across 46 tracked products. 8 of 12 products launched in the last 360 days are still selling. 90-day search growth is -18.7%. Flapen's verdict: Worth a look (54/100).
How competitive is the small double memory foam mattress niche?
24 brands and 38 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 56% of demand.
What do buyers complain about in small double memory foam mattress?
Top complaints mined from reviews: Comfort-Overall, Quality-Overall, Size-Overall. The return rate is 0.9%.
What does it cost to enter the small double memory foam mattress niche?
Listings span £26.08–£235.87; the average listing price is £90.01 (sweet spot $15–$100). The average incumbent carries 1,527 reviews — the moat a new listing must climb.