4.5 tog duvet king size
Worth a lookShows demand growing +258.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+258.4%90-day search growth — must beat 0% to launch
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Great7.5%search→purchase rate — share of searches ending in a sale
Avg price
Good£14.49avg listing price — sweet spot $15–$100
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Price range
Good£8.86–£23.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good£392K£392K/yr · 360K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Review moat
Bad10,081.41avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United Kingdom niche tracking, 4.5 tog duvet king size is a £392K/yr Amazon United Kingdom market (360K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 67/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
4.5 tog duvet king size market data
- Units sold / yr
- 20K–25K
- avg 750–1,000/product
- Revenue / yr
- £290K–£362K
- units × avg price
- Conversion rate
- 7.5%
- Avg BSR
- #27
- Page quality
- 0%
- Prime
- 32%
- Sponsored
- 88%
- Out of stock
- 0.5%
- Avg brand age
- 53 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
16 falling
Sellers
30
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
47%
Top 20: 85%
Open market
18%
- Silentnight29%
- Slumberdown27%
- Siebenschläfer15%
- Linens Limited4%
- BedLooms4%
- Brentfords3%
- Open — no brand owns it (10 brands, 18%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +258.4% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 12.6×
Top 4.5 tog duvet king size search terms
- summer duvet king size68K/yr
- 4.5 tog duvet king size82K/yr
- summer duvet57K/yr
- summer quilt king size17K/yr
- summer quilt17K/yr
- king size duvet 4.5 tog22K/yr
- king size summer duvet15K/yr
- 4.5 tog duvet15K/yr
- summer king size duvet8K/yr
- king size summer duvet 4.5 tog7K/yr
Top 4.5 tog duvet 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Slumberdown Cool Summer Nights 4.5 Tog King Size Duvet - Lightweight & Breathable UK Made King Size Quilt Non-Allergenic & Washable | Perfect Summer Duvet for Hot Nights (225 x 220cm)
Slumberdown£15.424.5★2,990 rev
Siebenschläfer Light Summer Duvet (4.5 Tog King Size)
Siebenschläfer£19.334.7★25,334 rev
Silentnight Summer Breeze 4.5 Tog King Duvet - Lightweight Low Tog Cooler Summer Duvet Quilt Ideal for Warm Nights and Hot Sleepers - Hypoallergenic and Machine Washable - King
Silentnight£17.044.6★12,200 rev
Silentnight Summer Breeze 4.5 Tog Single Duvet - Lightweight Low Tog Cooler Summer Duvet Quilt Ideal for Warm Nights and Hot Sleepers - Hypoallergenic and Machine Washable - Single
Silentnight£13.964.6★12,200 rev
Slumberdown Anti Allergy King Size Duvet 4.5 Tog - Allergy UK Approved Lightweight Summer Duvet for Allergy Sufferers - Made in the UK Anti Bacterial & Machine Washable King Quilt (225 x 220cm)
Slumberdown£16.754.6★53,320 rev
Newest
by launch date
Silentnight Summer Breeze 1.0 Tog Duvet - Soft & Lightweight Summer Duvet Quilt Ideal for Warm Nights and Hot Sleepers - Breathable Cool Comfort - Hypoallergenic and Machine Washable Single
Silentnight£12.271,983 rev
Linens Limited King Size Duvet 2.5 Tog Made in the UK Easy Care Summer Fresh Quilt Soft and Comfy Polypropylene Hollowfibre Machine Washable (White)
Linens Limited£14.448,482 rev
BedLooms Summer Duvet King Size 4.5 Tog Antiallergic Hollowfiber Filling Quilt Skin Friendly king Size Duvet 230 cm x 220 cm - UK Made Duvets
BedLooms£11.33511 rev
Aisbo King Size Duvet 4.5 Tog - Summer Duvet King Size with Corner Tabs Soft Lightweight Quilt for Kingsize Bed Duvet Insert with 150 GSM Filling 220x230 cm
Aisbo£23.00189 rev
Silentnight Summer Breeze 2.5 Tog Double Duvet - Lightweight Low Tog Summer Duvet Quilt Ideal for Warm Nights and Hot Sleepers - Hypoallergenic and Machine Washable - Double - 200x200cm
Silentnight£15.171,983 rev
Trending
90-day click momentumBedLooms Summer Duvet King Size 4.5 Tog Antiallergic Hollowfiber Filling Quilt Skin Friendly king Size Duvet 230 cm x 220 cm - UK Made Duvets
BedLooms£11.334.4★
Yorkshire Bedding Summer Duvet King Size 4.5 Tog Hypoallergenic Lightweight King Size Duvet Quilt - UK Made Duvets
Yorkshire Bedding£11.074.4★
Aisbo King Size Duvet 4.5 Tog - Summer Duvet King Size with Corner Tabs Soft Lightweight Quilt for Kingsize Bed Duvet Insert with 150 GSM Filling 220x230 cm
Aisbo£23.004.6★
Siebenschläfer Light Summer Duvet (4.5 Tog Double Size)
Siebenschläfer£17.264.7★
Slumberdown Cool Summer Nights 4.5 Tog Double Duvet - Lightweight & Breathable UK Made Double Quilt Non-Allergenic & Washable | Perfect Summer Duvet for Hot Nights (200 x 200cm)
Slumberdown£14.384.5★
What buyers say about 4.5 tog duvet king size
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality item arrived when expected”
“lightweight and comfortable”
“Excellent value”
“Lovely and warm”
“Very comfortable”
“Nice and soft”
“no issues with stitching”
“the quality of fabric”
“Fits perfect”
“Exactly what I wanted”
What buyers complain about
“Poor quality control”
“Rubbish sizes”
“The material is cheap”
“Duvet too warm”
“this one is very thick for the tog rating”
“thus expect the entire stitching will eventually become un-stitched”
“not worth £19, pretty basic”
“Not like on the picture, very misleading”
“All the filling has formed clumps after just a couple of months of use”
“the padding is not even so it has lumps all over”
Top return reasons
Common questions
- Is 4.5 tog duvet king size profitable to sell on Amazon United Kingdom?
- The niche generates £392K/yr across 34 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +258.4%. Flapen's verdict: Worth a look (67/100).
- How competitive is the 4.5 tog duvet king size niche?
- 16 brands and 30 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 79% of demand.
- What do buyers complain about in 4.5 tog duvet king size?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Material Quality. The return rate is 0.4%.
- When does demand for 4.5 tog duvet king size peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 12.6× the quietest.
- What does it cost to enter the 4.5 tog duvet king size niche?
- Listings span £8.86–£23.00; the average listing price is £14.49 (sweet spot $15–$100). The average incumbent carries 10,081 reviews — the moat a new listing must climb.