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super king duvet 13.5 tog

Skip it

Soft demand (-58.1% this quarter) — this niche doesn't clear our bar today.

Market size 7Growth 0Conversion 66Competition 28Returns 99Price range 85Avg price 90Brand share 30Review moat 23Quality gap 43

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Avg price

Great£21.08

avg listing price — sweet spot $15–$100

Price range

Great£11.21–£41.89

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

Conversion

Good5.9%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay87%

top-5 brand share — brands hold most of the demand

Competition

Okay68%

top-5 click share — leaders hold, buyers still browse

Review moat

Bad6,993.53

avg incumbent reviews — the moat a new listing must climb

Market size

Bad£29K

£29K/yr · 23K searches

Growth

Bad-58.1%

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

According to Flapen's Amazon United Kingdom niche tracking, super king duvet 13.5 tog is a £29K/yr Amazon United Kingdom market (23K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Jan–Sep–Oct–Nov–Dec. Verdict: Skip it — 39/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

super king duvet 13.5 tog market data

Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
£26K–£32K
units × avg price
Conversion rate
5.9%
Avg BSR
#52
Page quality
0%
Prime
24%
Sponsored
76%
Out of stock
0.8%
Avg brand age
63 months
Avg seller age
203 days

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

21

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

10%

  • Slumberdown47%
  • Silentnight19%
  • NightNest11%
  • Bedding Heaven6%
  • Casabella4%
  • IR Imperial Rooms3%
  • Open — no brand owns it (5 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 91 weeks — -58.1% search growth over the last 90 days.
2K1KBlack Friday '24Prime Day '25Spike '25Black Friday '25DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Sep, Oct, Nov, Dec · busiest ÷ quietest = 9.7×

Top super king duvet 13.5 tog search terms

  • 13.5 tog super king size duvet8K/yr
  • superking duvet 13.5 tog11K/yr
  • superking duvets 13.5 tog4K/yr
All search terms

Top super king duvet 13.5 tog 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%10%£3K20%£6K30%£9K40%£12K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

What buyers say about super king duvet 13.5 tog

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

What buyers love

Warmth33%

“Keep warm”

Quality-Overall20%

“Brilliant quality”

Value For Money11%

“Good price”

Comfort-Overall8%

“Good nights sleep, very snug”

Soft Feel6%

“Really nice and Likes how soft this is and how comfortable to sleep under and really happy with the purchase would recommend”

Weight Light4%

“It is lightweight too”

Thickness3%

“Really lovely duvet thick filled”

Advertised Vs Actual Product3%

“As described”

Size-Overall2%

“nice size”

Upholstery/Fabric Quality2%

“Lovely cotton covered duvet very good value”

What buyers complain about

Quality-Overall21%

“Poor Quality”

Thickness20%

“not that thick”

Size-Overall11%

“Its far too short in the width”

Comfort-Overall5%

“Not comfortable for me”

Stitch/Finish/Polish5%

“And now mid February the cheap stitching is catching in my feet”

Value For Money5%

“this isnt worth the money”

Warmth4%

“not very warm had to use a throw on top of the duvet to keep the cold out”

Stain Resistance4%

“Even though the duvet is lovely it came with stains on”

Weight Light3%

“Not as light”

Advertised Vs Actual Product3%

“Not as described”

Top return reasons

Size-Overall43%
Quality-Overall8%
Stitch/Finish/Polish8%
Material Quality6%
Advertised Vs Actual Product4%
Weight Heavy4%
Stain Resistance4%
Comfort-Overall3%
Thickness2%
Smell2%

Common questions

Is super king duvet 13.5 tog profitable to sell on Amazon United Kingdom?
The niche generates £29K/yr across 17 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -58.1%. Flapen's verdict: Skip it (39/100).
How competitive is the super king duvet 13.5 tog niche?
11 brands and 21 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in super king duvet 13.5 tog?
Top complaints mined from reviews: Quality-Overall, Thickness, Size-Overall. The return rate is 0.2%.
When does demand for super king duvet 13.5 tog peak?
Demand peaks in Jan–Sep–Oct–Nov–Dec; the busiest month runs 9.7× the quietest.
What does it cost to enter the super king duvet 13.5 tog niche?
Listings span £11.21–£41.89; the average listing price is £21.08 (sweet spot $15–$100). The average incumbent carries 6,994 reviews — the moat a new listing must climb.