duvet protector king size
Skip itSoft demand (-56.0% this quarter) — this niche doesn't clear our bar today.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Great£9.63–£33.07cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great£15.02avg listing price — sweet spot $15–$100
Conversion
Good6.6%search→purchase rate — share of searches ending in a sale
Review moat
Good672.33avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.4%return rate — above 5% kills the launch gate
Competition
Bad79%top-5 click share — a locked-up shelf
Brand share
Bad94%top-5 brand share — brand-locked demand
Market size
Bad£36K£36K/yr · 36K searches
Growth
Bad-56.0%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, duvet protector king size is a £36K/yr Amazon United Kingdom market (36K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan–Feb–Nov. Verdict: Skip it — 37/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
duvet protector king size market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- £30K–£38K
- units × avg price
- Conversion rate
- 6.6%
- Avg BSR
- #372
- Page quality
- 0%
- Prime
- 67%
- Sponsored
- 42%
- Out of stock
- 7.2%
- Avg brand age
- 54 months
- Avg seller age
- 206 days
Competition & brand share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
7
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
2%
- The House Of Emily64%
- COMFORTNIGHTS15%
- Comfi7%
- Snugglemore5%
- Linens Limited4%
- INCO-CARE3%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 84 weeks — -56.0% search growth over the last 90 days.Peak months: Jan, Feb, Nov · busiest ÷ quietest = 2.8×
Top duvet protector king size search terms
- duvet protector king size20K/yr
- king size duvet protector5K/yr
- quilt protector king size4K/yr
- waterproof duvet protector king size7K/yr
Top duvet protector king size 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Waterproof Duvet Cover Protector Hypo Allergenic Anti Dust Mite Zip Closure (King)
The House Of Emily£12.184.0★1,412 rev
Waterproof Duvet Cover Protector Hypo Allergenic Anti Dust Mite Zip Closure (Double)
The House Of Emily£11.244.0★1,412 rev
Hypo-allergenic Waterproof Duvet Protector King Size 230 x 220 cms.
COMFORTNIGHTS£11.544.0★1,431 rev
King-Size Corovin Water Resistant Duvet Protector
Comfi£11.244.2★315 rev
Snugglemore King Size Water Resistant Downproof Duvet Protector Zipped Fully Encased Luxury Non-Rustle Microfibre Fabric Optional Pillow Protectors Available
Snugglemore£24.904.2★177 rev
Newest
by launch date
Protect your duvet while enhancing your comfort with our soft polyester waterproof duvet protector Hypoallergenic antiallergenic and anti-bed bug protector with zip closure- King 230 x 220
COMFORTNIGHTS£18.0023 rev
Waterproof Duvet Cover Protector Hypo Allergenic Anti Dust Mite Zip Closure (King)
The House Of Emily£12.181,412 rev
Waterproof Duvet Cover Protector Hypo Allergenic Anti Dust Mite Zip Closure (Double)
The House Of Emily£11.241,412 rev
Waterproof Duvet Cover Protector Hypo Allergenic Anti Dust Mite Zip Closure (Super King)
The House Of Emily£13.561,412 rev
Waterproof Duvet Cover Protector Hypo Allergenic Anti Dust Mite Zip Closure (Single)
The House Of Emily£9.781,412 rev
Trending
90-day click momentum
Linens Limited Value Range Anti Allergy Polypropylene Corovin Woven Zipped Duvet Protector Double
Linens Limited£9.634.0★
Waterproof Duvet Cover Protector Hypo Allergenic Anti Dust Mite Zip Closure (Super King)
The House Of Emily£13.564.0★
Comfortnights Kingsize Terry Waterproof Duvet Protector 230 x 220 cms
COMFORTNIGHTS£33.074.4★
Waterproof Duvet Cover Protector Hypo Allergenic Anti Dust Mite Zip Closure (King)
The House Of Emily£12.184.0★
King-Size Corovin Water Resistant Duvet Protector
Comfi£11.244.2★
What buyers say about duvet protector king size
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent value for money”
“Very good quality and easy to clean, softness it will protect and fit properly”
“I can confirm it is waterproof”
“Does what it is meant to do”
“Good fit”
“minimal noise”
“Good quality makes duvet feel a lot thicker only 1 complaint stitching on zip fastener needed repair”
“clean for bed ridden user”
“hopefully this will improve when washed”
“Easy to put on the duvet”
What buyers complain about
“Absolutely ridiculous sizing”
“has a crinkly sound”
“Does not work not waterproof”
“this cover together didn't work”
“The heat generated during the night has caused more skin irritation”
“To slippery to work”
“the feel of the material is not very nice Im just using to protect from cats while the winter duvet is not on the bed so it may be good enough”
“would be impossible to use”
“Very expensive for a product that isn't fit for purpose”
“is a bit heavy”
Top return reasons
Common questions
- Is duvet protector king size profitable to sell on Amazon United Kingdom?
- The niche generates £36K/yr across 12 tracked products. 90-day search growth is -56.0%. Flapen's verdict: Skip it (37/100).
- How competitive is the duvet protector king size niche?
- 7 brands and 7 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in duvet protector king size?
- Top complaints mined from reviews: Size-Overall, Noise Level, Water Resistance. The return rate is 3.4%.
- When does demand for duvet protector king size peak?
- Demand peaks in Jan–Feb–Nov; the busiest month runs 2.8× the quietest.
- What does it cost to enter the duvet protector king size niche?
- Listings span £9.63–£33.07; the average listing price is £15.02 (sweet spot $15–$100). The average incumbent carries 672 reviews — the moat a new listing must climb.