super king
Worth a lookShows low returns (0.9%), but a small market ($60K/yr) keeps it on the watch list.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Competition
Great29%top-5 click share — an open shelf
Brand share
Great50%top-5 brand share — no brand owns this niche
Avg price
Great£18.91avg listing price — sweet spot $15–$100
Price range
Great£5.99–£58.86cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Review moat
Bad6,751.03avg incumbent reviews — the moat a new listing must climb
Growth
Bad-14.2%90-day search growth — must beat 0% to launch
Market size
Bad£60K£60K/yr · 127K searches
According to Flapen's Amazon United Kingdom niche tracking, super king is a £60K/yr Amazon United Kingdom market (127K searches/yr). The top 5 brands hold 50% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Worth a look — 54/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
super king market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- £38K–£47K
- units × avg price
- Conversion rate
- 2.5%
- Avg BSR
- #110
- Page quality
- 0%
- Prime
- 77%
- Sponsored
- 85%
- Out of stock
- 9.3%
- Avg brand age
- 47 months
- Avg seller age
- 184 days
Competition & brand share
Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.Brands
32 falling
Sellers
42
Top-5 brand share
50%
Top 20: 92%
Top-5 click share
29%
Top 20: 64%
Open market
44%
- Sapphire Collection12%
- Yard12%
- Linens World10%
- Utopia Bedding8%
- Catherine Lansfield8%
- Filo Magico7%
Demand & seasonality
Weekly Amazon search volume, last 78 weeks — -14.2% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 1.7×
Top super king search terms
- cotton superking duvets sets9K/yr
- super king cotton duvet set14K/yr
- superking duvets sets cotton12K/yr
- super king bed set14K/yr
- superking cotton duvets sets8K/yr
- super king8K/yr
- duvet cover super king8K/yr
- super king quilt cover8K/yr
- super king duvet cover cotton9K/yr
- duvet set super king size7K/yr
Top super king 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
furn. Yard Hebden 100% Cotton Stripe Duvet Cover Set Reversible Striped Bedding (Natural Super King)
Yard£27.574.5★805 rev

Linens World 200 Thread Count 100% Egyptian Cotton Duvet Quilt Cover Bedding Sets with Pillow cases (White Super King)
Linens World£14.614.3★6,642 rev

Sapphire Collection 100% Egyptian Cotton 300 Thread Count Duvet Cover With Pillow Case Bedding Set (Super King Grey)
Sapphire Collection£22.424.4★7,226 rev

Catherine Lansfield Meadowsweet Floral Reversible Super King Duvet Cover Set with Pillowcases White
Catherine Lansfield£21.934.5★5,800 rev

Pamposh Super King Duvet Set Premium Brushed Microfiber Super King Duvet Cover Ultrasoft Hypoallergenic Duvet Cover Super King Size Non Iron Luxury Bedding Set With Zipper Closure
Pamposh£14.814.5★11,370 rev
Newest
by launch date
RAYBedding 3PCS Duvet Set 100% Egyptian Cotton Super King Bed Set 400 Thread Count Floral Printed Forest Bloom Duvet Cover with Pillow Cases 2 Pack
RAYBedding£20.334 rev

Aisbo Super King Bedding Duvet Cover Sets - 3 Pieces Floral Bedding Set White and Sage Green Soft Brushed Microfiber Superking Bed Quilt Cover with 2 Pillowcase 260x220 cm
Aisbo£14.75264 rev

Lekesky 200T Cotton Super King Duvet Set Grey Bedding Set Botanical Branches Printed Superking Bedding Set (1x Duvet Cover 2x Pillowcases) Cotton Duvet Cover Sets 260x220 cm Grey
Lekesky£29.84763 rev

furn. Yard Hebden 100% Cotton Stripe Duvet Cover Set Reversible Striped Bedding (Mole Super King)
Yard£24.36805 rev

MOONLIGHT20015 Super King Duvet Set Soft Printed Luxury Bedding Sets Brushed Microfiber Duvet Covers with Pillowcases (Grey Bouquet 260x220 CM)
MOONLIGHT20015£14.402,231 rev
Trending
90-day click momentum
furn. Yard Hebden 100% Cotton Stripe Duvet Cover Set Reversible Striped Bedding (Mole Super King)
Yard£24.364.5★

Linens World 200 Thread Count 100% Egyptian Cotton Duvet Quilt Cover Bedding Sets with Pillow cases (Grey Super King)
Linens World£14.224.3★

Utopia Bedding Super King Size Duvet Cover Set Black
Utopia Bedding£10.124.6★

Sapphire Collection 100% Egyptian Cotton 300 Thread Count Duvet Cover With Pillow Case Bedding Set (Super King Grey)
Sapphire Collection£22.424.4★

Aisbo Super King Bedding Duvet Cover Sets - 3 Pieces Floral Bedding Set White and Sage Green Soft Brushed Microfiber Superking Bed Quilt Cover with 2 Pillowcase 260x220 cm
Aisbo£14.754.4★
What buyers say about super king
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Quality”
“Nice and smooth”
“Fits lovely on mattress nice quality will be back to buy some more again many thanks”
“Good value for money”
“SO SOFT AND COMFORTABLE”
“And washes well”
“Great quality and ideal to keep cool with the 100% cotton material”
“Lovely colour”
“Lovely light 100% cotton quality fabric at such a great price”
“Warm and comfortable to sleep on especially on a cold day”
What buyers complain about
“its too big”
“not the quality I was expecting”
“I was really disappointed with the feeling of the material”
“Not at all how it looks in the pictures”
“Smell”
“Broken buttons that dont fit”
“Not soft at all”
“Slight rip”
“Looked nice not even used as it tore apart after the first wash very disappointing”
“Returned product as duvet was covered in patchy dye marks identical on both sides”
Top return reasons
Common questions
- Is super king profitable to sell on Amazon United Kingdom?
- The niche generates £60K/yr across 65 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -14.2%. Flapen's verdict: Worth a look (54/100).
- How competitive is the super king niche?
- 32 brands and 42 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 50% of demand.
- What do buyers complain about in super king?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 0.9%.
- When does demand for super king peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 1.7× the quietest.
- What does it cost to enter the super king niche?
- Listings span £5.99–£58.86; the average listing price is £18.91 (sweet spot $15–$100). The average incumbent carries 6,751 reviews — the moat a new listing must climb.