---
title: "Super King Duvet 13.5 Tog — £29K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/super-king-duvet-13-5-tog"
last_updated: "2026-07-31T17:17:43.504Z"
locale: en
meta:
description: "Niche score 39/100 · £29K/yr market · 23K searches/yr · £21.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · £29K/yr market · 23K searches/yr · £21.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Super King Duvet 13.5 Tog — £29K/yr Amazon UK Niche (2026) - Flapen"
---
# **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**
**Incredible****0.2%**
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**
**Good****5.9%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****6,993.53**
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 ~~](https://flapen.com/research/methodology)
## **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 '25 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan, Sep, Oct, Nov, Dec · busiest ÷ quietest = 9.7×
[**Open Trend **](https://flapen.com/research/uk/home-garden/super-king-duvet-13-5-tog/trend)
## **Top super king duvet 13.5 tog search terms**
- **13.5 tog super king size duvet**8K/yr-43.3%2.8% conv. - **superking duvet 13.5 tog**11K/yr-72.0%5.6% conv. - **superking duvets 13.5 tog**4K/yr-43.3%2.3% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/super-king-duvet-13-5-tog/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Slumberdown Warm Winter Nights Double Duvet 13.5 Tog - Thick & Cosy Quilt for Cold Weather | Soft Touch Cover Non-Allergenic Machine Washable UK-Made Bedding (200 x 200cm)**Slumberdown**£15.81**4.6★6,277 rev](https://www.amazon.co.uk/dp/B07X9PPMRR) [2**Slumberdown Feels Like Down Super King Duvet 13.5 Tog - Ultra Soft Extra Warm & Snuggly Quilt for Cold Winter Nights | UK Made Non-Allergenic & Washable (260 x 220cm)**Slumberdown**£19.85**4.6★3,253 rev](https://www.amazon.co.uk/dp/B0CHWHV4ZP) [3**Extra Thick Anti Allergy 13.5 Tog Super King Duvet - Luxury Hotel Quality Hollowfibre Ultra Soft Cosy Skin Friendly Warm Winter Fluffy Quilt Soft Machine Washable**NightNest**£15.71**4.3★247 rev](https://www.amazon.co.uk/dp/B0FXV417NQ) [4**Silentnight Deep Sleep 13.5 Tog Super King Duvet - Autumn Winter Comfy Bed Quilt Warm Sleep Ideal for Cold Nights Luxury Filled Soft Comfort - Hypoallergenic Machine Washable Super King**Silentnight**£27.01**4.7★21,571 rev](https://www.amazon.co.uk/dp/B006DDG4TE) [5**Bedding Heaven 13.5 tog SUPER KING SIZE DUVET Super Snuggly Superking Quilt This is a Fogarty made slight second direct from their factory.**Bedding Heaven**£11.21**4.5★181 rev](https://www.amazon.co.uk/dp/B00IWN9ZHG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Extra Thick Anti Allergy 13.5 Tog Super King Duvet - Luxury Hotel Quality Hollowfibre Ultra Soft Cosy Skin Friendly Warm Winter Fluffy Quilt Soft Machine Washable**NightNest**£15.71**247 rev9mo ago](https://www.amazon.co.uk/dp/B0FXV417NQ) [**MH Home King Duvet 13.5 Tog All Season Comforter Lightweight Skin Friendly Quilt Down Alternative Ultra-Soft Plush Breathable Duvet (13.5 Tog King)**MH Home**£15.04**94 rev11mo ago](https://www.amazon.co.uk/dp/B0FLDDXMS5) [**Casabella Super King Duvet 13.5 Tog - Premium Quality Quilt for Year-Round Comfort - Soft Touch Cover Hypoallergenic Machine Washable Duvet Super King (220cm x 260cm)**Casabella**£17.86**558 rev2y ago](https://www.amazon.co.uk/dp/B0CKQVXR9G) [**ml MassAri Limited Super King Duvet 13.5 Tog | Extra Warm & Cosy Winter Duvets for Cold Nights Duvet | Made in UK Quilt | Anti-Allergy Breathable & Hollowfibre Filling Duvets (220x260cm)**ml MassAri Limited**£18.01**979 rev2y ago](https://www.amazon.co.uk/dp/B0CM9BCJBR) [**Slumberdown Feels Like Down Super King Duvet 13.5 Tog - Ultra Soft Extra Warm & Snuggly Quilt for Cold Winter Nights | UK Made Non-Allergenic & Washable (260 x 220cm)**Slumberdown**£19.85**3,253 rev2y ago](https://www.amazon.co.uk/dp/B0CHWHV4ZP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Extra Thick Anti Allergy 13.5 Tog Super King Duvet - Luxury Hotel Quality Hollowfibre Ultra Soft Cosy Skin Friendly Warm Winter Fluffy Quilt Soft Machine Washable**NightNest**£15.71**4.3★**▲ 583%**](https://www.amazon.co.uk/dp/B0FXV417NQ) [**Silentnight Hotel Collection 13.5 Tog Super King Duvet - Luxury Hotel Quality Winter Warm Cosy Duvet Quilt Ideal Cold Winter Nights - Hypoallergenic Machine Washable- 260x220cm - Super King**Silentnight**£30.47**4.7★**▲ 423%**](https://www.amazon.co.uk/dp/B07BZ5N3VN) [**ml MassAri Limited Super King Duvet 13.5 Tog | Extra Warm & Cosy Winter Duvets for Cold Nights Duvet | Made in UK Quilt | Anti-Allergy Breathable & Hollowfibre Filling Duvets (220x260cm)**ml MassAri Limited**£18.01**4.4★**▲ 223%**](https://www.amazon.co.uk/dp/B0CM9BCJBR) [**Slumberdown Warm Winter Nights Double Duvet 13.5 Tog - Thick & Cosy Quilt for Cold Weather | Soft Touch Cover Non-Allergenic Machine Washable UK-Made Bedding (200 x 200cm)**Slumberdown**£15.81**4.6★**▲ 190%**](https://www.amazon.co.uk/dp/B07X9PPMRR) [**Silentnight Hotel Collection 10.5 Tog Single Duvet - Luxury Hotel Quality All Season Duvet Quilt Ideal for Spring Summer Winter & Autumn - Hypoallergenic Machine Washable - Single Bed**Silentnight**£20.75**4.7★**▲ 176%**](https://www.amazon.co.uk/dp/B01FMHEV00)
**~~View all trending →~~**
## **What buyers say about super king duvet 13.5 tog**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Warmth**33%
*“Keep warm”*
**Quality-Overall**20%
*“Brilliant quality”*
**Value For Money**11%
*“Good price”*
**Comfort-Overall**8%
*“Good nights sleep, very snug”*
**Soft Feel**6%
*“Really nice and Likes how soft this is and how comfortable to sleep under and really happy with the purchase would recommend”*
**Weight Light**4%
*“It is lightweight too”*
**Thickness**3%
*“Really lovely duvet thick filled”*
**Advertised Vs Actual Product**3%
*“As described”*
**Size-Overall**2%
*“nice size”*
**Upholstery/Fabric Quality**2%
*“Lovely cotton covered duvet very good value”*
### **What buyers complain about **
**Quality-Overall**21%
*“Poor Quality”*
**Thickness**20%
*“not that thick”*
**Size-Overall**11%
*“Its far too short in the width”*
**Comfort-Overall**5%
*“Not comfortable for me”*
**Stitch/Finish/Polish**5%
*“And now mid February the cheap stitching is catching in my feet”*
**Value For Money**5%
*“this isnt worth the money”*
**Warmth**4%
*“not very warm had to use a throw on top of the duvet to keep the cold out”*
**Stain Resistance**4%
*“Even though the duvet is lovely it came with stains on”*
**Weight Light**3%
*“Not as light”*
**Advertised Vs Actual Product**3%
*“Not as described”*
### **Top return reasons **
**Size-Overall**43%
**Quality-Overall**8%
**Stitch/Finish/Polish**8%
**Material Quality**6%
**Advertised Vs Actual Product**4%
**Weight Heavy**4%
**Stain Resistance**4%
**Comfort-Overall**3%
**Thickness**2%
**Smell**2%
## **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.
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